viafb: viafbdev.c, viafbdev.h

Correct by following Jiri Slaby's suggestions.

Initialization, remove and some other important functions of viafb.

[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: Joseph Chan <josephchan@via.com.tw>
Cc: Krzysztof Helt <krzysztof.h1@poczta.fm>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

drivers/video/via/viafbdev.c

+/*
+ * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved.
+ * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved.
+
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public
+ * License as published by the Free Software Foundation;
+ * either version 2, or (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even
+ * the implied warranty of MERCHANTABILITY or FITNESS FOR
+ * A PARTICULAR PURPOSE.See the GNU General Public License
+ * for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc.,
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#include <linux/module.h>
+#define _MASTER_FILE
+
+#include "global.h"
+
+static int MAX_CURS = 32;
+static struct fb_var_screeninfo default_var;
+static char *viafb_name = "Via";
+static u32 pseudo_pal[17];
+
+/* video mode */
+static char *viafb_mode = "640x480";
+static char *viafb_mode1 = "640x480";
+static int viafb_resMode = VIA_RES_640X480;
+
+/* Added for specifying active devices.*/
+char *viafb_active_dev = "";
+
+/* Added for specifying video on devices.*/
+char *viafb_video_dev = "";
+
+/*Added for specify lcd output port*/
+char *viafb_lcd_port = "";
+char *viafb_dvi_port = "";
+
+static void viafb_set_device(struct device_t active_dev);
+static int apply_device_setting(struct viafb_ioctl_setting setting_info,
+			 struct fb_info *info);
+static void apply_second_mode_setting(struct fb_var_screeninfo
+	*sec_var);
+static void retrieve_device_setting(struct viafb_ioctl_setting
+	*setting_info);
+static void viafb_set_video_device(u32 video_dev_info);
+static void viafb_get_video_device(u32 *video_dev_info);
+
+/* Mode information */
+static const struct viafb_modeinfo viafb_modentry[] = {
+	{480, 640, VIA_RES_480X640, "480x640"},
+	{640, 480, VIA_RES_640X480, "640x480"},
+	{800, 480, VIA_RES_800X480, "800x480"},
+	{800, 600, VIA_RES_800X600, "800x600"},
+	{1024, 768, VIA_RES_1024X768, "1024x768"},
+	{1152, 864, VIA_RES_1152X864, "1152x864"},
+	{1280, 1024, VIA_RES_1280X1024, "1280x1024"},
+	{1600, 1200, VIA_RES_1600X1200, "1600x1200"},
+	{1440, 1050, VIA_RES_1440X1050, "1440x1050"},
+	{1280, 768, VIA_RES_1280X768, "1280x768"},
+	{1280, 800, VIA_RES_1280X800, "1280x800"},
+	{1280, 960, VIA_RES_1280X960, "1280x960"},
+	{1920, 1440, VIA_RES_1920X1440, "1920x1440"},
+	{848, 480, VIA_RES_848X480, "848x480"},
+	{1400, 1050, VIA_RES_1400X1050, "1400x1050"},
+	{720, 480, VIA_RES_720X480, "720x480"},
+	{720, 576, VIA_RES_720X576, "720x576"},
+	{1024, 512, VIA_RES_1024X512, "1024x512"},
+	{1024, 576, VIA_RES_1024X576, "1024x576"},
+	{1024, 600, VIA_RES_1024X600, "1024x600"},
+	{1280, 720, VIA_RES_1280X720, "1280x720"},
+	{1920, 1080, VIA_RES_1920X1080, "1920x1080"},
+	{1366, 768, VIA_RES_1368X768, "1368x768"},
+	{1680, 1050, VIA_RES_1680X1050, "1680x1050"},
+	{960, 600, VIA_RES_960X600, "960x600"},
+	{1000, 600, VIA_RES_1000X600, "1000x600"},
+	{1024, 576, VIA_RES_1024X576, "1024x576"},
+	{1024, 600, VIA_RES_1024X600, "1024x600"},
+	{1088, 612, VIA_RES_1088X612, "1088x612"},
+	{1152, 720, VIA_RES_1152X720, "1152x720"},
+	{1200, 720, VIA_RES_1200X720, "1200x720"},
+	{1280, 600, VIA_RES_1280X600, "1280x600"},
+	{1360, 768, VIA_RES_1360X768, "1360x768"},
+	{1440, 900, VIA_RES_1440X900, "1440x900"},
+	{1600, 900, VIA_RES_1600X900, "1600x900"},
+	{1600, 1024, VIA_RES_1600X1024, "1600x1024"},
+	{1792, 1344, VIA_RES_1792X1344, "1792x1344"},
+	{1856, 1392, VIA_RES_1856X1392, "1856x1392"},
+	{1920, 1200, VIA_RES_1920X1200, "1920x1200"},
+	{2048, 1536, VIA_RES_2048X1536, "2048x1536"},
+	{0, 0, VIA_RES_INVALID, "640x480"}
+};
+
+static struct fb_ops viafb_ops;
+
+static int viafb_update_fix(struct fb_fix_screeninfo *fix, struct fb_info *info)
+{
+	struct viafb_par *ppar;
+	ppar = info->par;
+
+	DEBUG_MSG(KERN_INFO "viafb_update_fix!\n");
+
+	fix->visual =
+	    ppar->bpp == 8 ? FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_TRUECOLOR;
+	fix->line_length = ppar->linelength;
+
+	return 0;
+}
+
+
+static void viafb_setup_fixinfo(struct fb_fix_screeninfo *fix,
+	struct viafb_par *viaparinfo)
+{
+	memset(fix, 0, sizeof(struct fb_fix_screeninfo));
+	strcpy(fix->id, viafb_name);
+
+	fix->smem_start = viaparinfo->fbmem;
+	fix->smem_len = viaparinfo->fbmem_free;
+	fix->mmio_start = viaparinfo->mmio_base;
+	fix->mmio_len = viaparinfo->mmio_len;
+
+	fix->type = FB_TYPE_PACKED_PIXELS;
+	fix->type_aux = 0;
+
+	fix->xpanstep = fix->ywrapstep = 0;
+	fix->ypanstep = 1;
+
+	/* Just tell the accel name */
+	viafbinfo->fix.accel = FB_ACCEL_VIA_UNICHROME;
+}
+static int viafb_open(struct fb_info *info, int user)
+{
+	DEBUG_MSG(KERN_INFO "viafb_open!\n");
+	return 0;
+}
+
+static int viafb_release(struct fb_info *info, int user)
+{
+	DEBUG_MSG(KERN_INFO "viafb_release!\n");
+	return 0;
+}
+
+static void viafb_update_viafb_par(struct fb_info *info)
+{
+	struct viafb_par *ppar;
+
+	ppar = info->par;
+	ppar->bpp = info->var.bits_per_pixel;
+	ppar->linelength = ((info->var.xres_virtual + 7) & ~7) * ppar->bpp / 8;
+	ppar->hres = info->var.xres;
+	ppar->vres = info->var.yres;
+	ppar->xoffset = info->var.xoffset;
+	ppar->yoffset = info->var.yoffset;
+}
+
+static int viafb_check_var(struct fb_var_screeninfo *var,
+	struct fb_info *info)
+{
+	int vmode_index, htotal, vtotal;
+	struct viafb_par *ppar;
+	u32 long_refresh;
+	struct viafb_par *p_viafb_par;
+	ppar = info->par;
+
+
+	DEBUG_MSG(KERN_INFO "viafb_check_var!\n");
+	/* Sanity check */
+	/* HW neither support interlacte nor double-scaned mode */
+	if (var->vmode & FB_VMODE_INTERLACED || var->vmode & FB_VMODE_DOUBLE)
+		return -EINVAL;
+
+	vmode_index = viafb_get_mode_index(var->xres, var->yres, 0);
+	if (vmode_index == VIA_RES_INVALID) {
+		DEBUG_MSG(KERN_INFO
+			  "viafb: Mode %dx%dx%d not supported!!\n",
+			  var->xres, var->yres, var->bits_per_pixel);
+		return -EINVAL;
+	}
+
+	if (24 == var->bits_per_pixel)
+		var->bits_per_pixel = 32;
+
+	if (var->bits_per_pixel != 8 && var->bits_per_pixel != 16 &&
+		var->bits_per_pixel != 32)
+		return -EINVAL;
+
+	if ((var->xres_virtual * (var->bits_per_pixel >> 3)) & 0x1F)
+		/*32 pixel alignment */
+		var->xres_virtual = (var->xres_virtual + 31) & ~31;
+	if (var->xres_virtual * var->yres_virtual * var->bits_per_pixel / 8 >
+		ppar->memsize)
+		return -EINVAL;
+
+	/* Based on var passed in to calculate the refresh,
+	 * because our driver use some modes special.
+	 */
+	htotal = var->xres + var->left_margin +
+	var->right_margin + var->hsync_len;
+	vtotal = var->yres + var->upper_margin +
+		var->lower_margin + var->vsync_len;
+	long_refresh = 1000000000UL / var->pixclock * 1000;
+	long_refresh /= (htotal * vtotal);
+
+	viafb_refresh = viafb_get_refresh(var->xres, var->yres, long_refresh);
+
+	/* Adjust var according to our driver's own table */
+	viafb_fill_var_timing_info(var, viafb_refresh, vmode_index);
+
+	/* This is indeed a patch for VT3353 */
+	if (!info->par)
+		return -1;
+	p_viafb_par = (struct viafb_par *)info->par;
+	if (p_viafb_par->chip_info->gfx_chip_name == UNICHROME_VX800)
+		var->accel_flags = 0;
+
+	return 0;
+}
+
+static int viafb_set_par(struct fb_info *info)
+{
+	int vmode_index;
+	int vmode_index1 = 0;
+	DEBUG_MSG(KERN_INFO "viafb_set_par!\n");
+
+	viafb_update_device_setting(info->var.xres, info->var.yres,
+			      info->var.bits_per_pixel, viafb_refresh, 0);
+
+	vmode_index = viafb_get_mode_index(info->var.xres, info->var.yres, 0);
+
+	if (viafb_SAMM_ON == 1) {
+		DEBUG_MSG(KERN_INFO
+		"viafb_second_xres = %d, viafb_second_yres = %d, bpp = %d\n",
+			  viafb_second_xres, viafb_second_yres, viafb_bpp1);
+		vmode_index1 = viafb_get_mode_index(viafb_second_xres,
+			viafb_second_yres, 1);
+		DEBUG_MSG(KERN_INFO "->viafb_SAMM_ON: index=%d\n",
+			vmode_index1);
+
+		viafb_update_device_setting(viafb_second_xres,
+			viafb_second_yres, viafb_bpp1, viafb_refresh1, 1);
+	}
+
+	if (vmode_index != VIA_RES_INVALID) {
+		viafb_setmode(vmode_index, info->var.xres, info->var.yres,
+			info->var.bits_per_pixel, vmode_index1,
+			viafb_second_xres, viafb_second_yres, viafb_bpp1);
+
+		/*We should set memory offset according virtual_x */
+		/*Fix me:put this function into viafb_setmode */
+		viafb_memory_pitch_patch(info);
+
+		/* Update ***fb_par information */
+		viafb_update_viafb_par(info);
+
+		/* Update other fixed information */
+		viafb_update_fix(&info->fix, info);
+		viafb_bpp = info->var.bits_per_pixel;
+		/* Update viafb_accel, it is necessary to our 2D accelerate */
+		viafb_accel = info->var.accel_flags;
+
+		if (viafb_accel)
+			viafb_set_2d_color_depth(info->var.bits_per_pixel);
+	}
+
+	return 0;
+}
+
+/* Set one color register */
+static int viafb_setcolreg(unsigned regno, unsigned red, unsigned green,
+unsigned blue, unsigned transp, struct fb_info *info)
+{
+	u8 sr1a, sr1b, cr67, cr6a, rev = 0, shift = 10;
+	unsigned cmap_entries = (info->var.bits_per_pixel == 8) ? 256 : 16;
+	DEBUG_MSG(KERN_INFO "viafb_setcolreg!\n");
+	if (regno >= cmap_entries)
+		return 1;
+	if (UNICHROME_CLE266 == viaparinfo->chip_info->gfx_chip_name) {
+		/*
+		 * Read PCI bus 0,dev 0,function 0,index 0xF6 to get chip rev.
+		 */
+		outl(0x80000000 | (0xf6 & ~3), (unsigned long)0xCF8);
+		rev = (inl((unsigned long)0xCFC) >> ((0xf6 & 3) * 8)) & 0xff;
+	}
+	switch (info->var.bits_per_pixel) {
+	case 8:
+		outb(0x1A, 0x3C4);
+		sr1a = inb(0x3C5);
+		outb(0x1B, 0x3C4);
+		sr1b = inb(0x3C5);
+		outb(0x67, 0x3D4);
+		cr67 = inb(0x3D5);
+		outb(0x6A, 0x3D4);
+		cr6a = inb(0x3D5);
+
+		/* Map the 3C6/7/8/9 to the IGA2 */
+		outb(0x1A, 0x3C4);
+		outb(sr1a | 0x01, 0x3C5);
+		/* Second Display Engine colck always on */
+		outb(0x1B, 0x3C4);
+		outb(sr1b | 0x80, 0x3C5);
+		/* Second Display Color Depth 8 */
+		outb(0x67, 0x3D4);
+		outb(cr67 & 0x3F, 0x3D5);
+		outb(0x6A, 0x3D4);
+		/* Second Display Channel Reset CR6A[6]) */
+		outb(cr6a & 0xBF, 0x3D5);
+		/* Second Display Channel Enable CR6A[7] */
+		outb(cr6a | 0x80, 0x3D5);
+		/* Second Display Channel stop reset) */
+		outb(cr6a | 0x40, 0x3D5);
+
+		/* Bit mask of palette */
+		outb(0xFF, 0x3c6);
+		/* Write one register of IGA2 */
+		outb(regno, 0x3C8);
+		if (UNICHROME_CLE266 == viaparinfo->chip_info->gfx_chip_name &&
+			rev >= 15) {
+			shift = 8;
+			viafb_write_reg_mask(CR6A, VIACR, BIT5, BIT5);
+			viafb_write_reg_mask(SR15, VIASR, BIT7, BIT7);
+		} else {
+			shift = 10;
+			viafb_write_reg_mask(CR6A, VIACR, 0, BIT5);
+			viafb_write_reg_mask(SR15, VIASR, 0, BIT7);
+		}
+		outb(red >> shift, 0x3C9);
+		outb(green >> shift, 0x3C9);
+		outb(blue >> shift, 0x3C9);
+
+		/* Map the 3C6/7/8/9 to the IGA1 */
+		outb(0x1A, 0x3C4);
+		outb(sr1a & 0xFE, 0x3C5);
+		/* Bit mask of palette */
+		outb(0xFF, 0x3c6);
+		/* Write one register of IGA1 */
+		outb(regno, 0x3C8);
+		outb(red >> shift, 0x3C9);
+		outb(green >> shift, 0x3C9);
+		outb(blue >> shift, 0x3C9);
+
+		outb(0x1A, 0x3C4);
+		outb(sr1a, 0x3C5);
+		outb(0x1B, 0x3C4);
+		outb(sr1b, 0x3C5);
+		outb(0x67, 0x3D4);
+		outb(cr67, 0x3D5);
+		outb(0x6A, 0x3D4);
+		outb(cr6a, 0x3D5);
+		break;
+	case 16:
+		((u32 *) info->pseudo_palette)[regno] = (red & 0xF800) |
+		    ((green & 0xFC00) >> 5) | ((blue & 0xF800) >> 11);
+		break;
+	case 32:
+		((u32 *) info->pseudo_palette)[regno] =
+		    ((transp & 0xFF00) << 16) |
+		    ((red & 0xFF00) << 8) |
+		    ((green & 0xFF00)) | ((blue & 0xFF00) >> 8);
+		break;
+	}
+
+	return 0;
+
+}
+
+/*CALLED BY: fb_set_cmap */
+/*           fb_set_var, pass 256 colors */
+/*CALLED BY: fb_set_cmap */
+/*           fbcon_set_palette, pass 16 colors */
+static int viafb_setcmap(struct fb_cmap *cmap, struct fb_info *info)
+{
+	u32 len = cmap->len;
+	u32 i;
+	u16 *pred = cmap->red;
+	u16 *pgreen = cmap->green;
+	u16 *pblue = cmap->blue;
+	u16 *ptransp = cmap->transp;
+	u8 sr1a, sr1b, cr67, cr6a, rev = 0, shift = 10;
+	if (len > 256)
+		return 1;
+	if (UNICHROME_CLE266 == viaparinfo->chip_info->gfx_chip_name) {
+		/*
+		 * Read PCI bus 0, dev 0, function 0, index 0xF6 to get chip
+		 * rev.
+		 */
+		outl(0x80000000 | (0xf6 & ~3), (unsigned long)0xCF8);
+		rev = (inl((unsigned long)0xCFC) >> ((0xf6 & 3) * 8)) & 0xff;
+	}
+	switch (info->var.bits_per_pixel) {
+	case 8:
+		outb(0x1A, 0x3C4);
+		sr1a = inb(0x3C5);
+		outb(0x1B, 0x3C4);
+		sr1b = inb(0x3C5);
+		outb(0x67, 0x3D4);
+		cr67 = inb(0x3D5);
+		outb(0x6A, 0x3D4);
+		cr6a = inb(0x3D5);
+		/* Map the 3C6/7/8/9 to the IGA2 */
+		outb(0x1A, 0x3C4);
+		outb(sr1a | 0x01, 0x3C5);
+		outb(0x1B, 0x3C4);
+		/* Second Display Engine colck always on */
+		outb(sr1b | 0x80, 0x3C5);
+		outb(0x67, 0x3D4);
+		/* Second Display Color Depth 8 */
+		outb(cr67 & 0x3F, 0x3D5);
+		outb(0x6A, 0x3D4);
+		/* Second Display Channel Reset CR6A[6]) */
+		outb(cr6a & 0xBF, 0x3D5);
+		/* Second Display Channel Enable CR6A[7] */
+		outb(cr6a | 0x80, 0x3D5);
+		/* Second Display Channel stop reset) */
+		outb(cr6a | 0xC0, 0x3D5);
+
+		/* Bit mask of palette */
+		outb(0xFF, 0x3c6);
+		outb(0x00, 0x3C8);
+		if (UNICHROME_CLE266 == viaparinfo->chip_info->gfx_chip_name &&
+			rev >= 15) {
+			shift = 8;
+			viafb_write_reg_mask(CR6A, VIACR, BIT5, BIT5);
+			viafb_write_reg_mask(SR15, VIASR, BIT7, BIT7);
+		} else {
+			shift = 10;
+			viafb_write_reg_mask(CR6A, VIACR, 0, BIT5);
+			viafb_write_reg_mask(SR15, VIASR, 0, BIT7);
+		}
+		for (i = 0; i < len; i++) {
+			outb((*(pred + i)) >> shift, 0x3C9);
+			outb((*(pgreen + i)) >> shift, 0x3C9);
+			outb((*(pblue + i)) >> shift, 0x3C9);
+		}
+
+		outb(0x1A, 0x3C4);
+		/* Map the 3C6/7/8/9 to the IGA1 */
+		outb(sr1a & 0xFE, 0x3C5);
+		/* Bit mask of palette */
+		outb(0xFF, 0x3c6);
+		outb(0x00, 0x3C8);
+		for (i = 0; i < len; i++) {
+			outb((*(pred + i)) >> shift, 0x3C9);
+			outb((*(pgreen + i)) >> shift, 0x3C9);
+			outb((*(pblue + i)) >> shift, 0x3C9);
+		}
+
+		outb(0x1A, 0x3C4);
+		outb(sr1a, 0x3C5);
+		outb(0x1B, 0x3C4);
+		outb(sr1b, 0x3C5);
+		outb(0x67, 0x3D4);
+		outb(cr67, 0x3D5);
+		outb(0x6A, 0x3D4);
+		outb(cr6a, 0x3D5);
+		break;
+	case 16:
+		if (len > 17)
+			return 0;	/* Because static u32 pseudo_pal[17]; */
+		for (i = 0; i < len; i++)
+			((u32 *) info->pseudo_palette)[i] =
+			    (*(pred + i) & 0xF800) |
+			    ((*(pgreen + i) & 0xFC00) >> 5) |
+			    ((*(pblue + i) & 0xF800) >> 11);
+		break;
+	case 32:
+		if (len > 17)
+			return 0;
+		if (ptransp) {
+			for (i = 0; i < len; i++)
+				((u32 *) info->pseudo_palette)[i] =
+				    ((*(ptransp + i) & 0xFF00) << 16) |
+				    ((*(pred + i) & 0xFF00) << 8) |
+				    ((*(pgreen + i) & 0xFF00)) |
+				    ((*(pblue + i) & 0xFF00) >> 8);
+		} else {
+			for (i = 0; i < len; i++)
+				((u32 *) info->pseudo_palette)[i] =
+				    0x00000000 |
+				    ((*(pred + i) & 0xFF00) << 8) |
+				    ((*(pgreen + i) & 0xFF00)) |
+				    ((*(pblue + i) & 0xFF00) >> 8);
+		}
+		break;
+	}
+	return 0;
+}
+
+static int viafb_pan_display(struct fb_var_screeninfo *var,
+	struct fb_info *info)
+{
+	unsigned int offset;
+
+	DEBUG_MSG(KERN_INFO "viafb_pan_display!\n");
+
+	offset = (var->xoffset + (var->yoffset * var->xres_virtual)) *
+	    var->bits_per_pixel / 16;
+
+	DEBUG_MSG(KERN_INFO "\nviafb_pan_display,offset =%d ", offset);
+
+	viafb_write_reg_mask(0x48, 0x3d4, ((offset >> 24) & 0x3), 0x3);
+	viafb_write_reg_mask(0x34, 0x3d4, ((offset >> 16) & 0xff), 0xff);
+	viafb_write_reg_mask(0x0c, 0x3d4, ((offset >> 8) & 0xff), 0xff);
+	viafb_write_reg_mask(0x0d, 0x3d4, (offset & 0xff), 0xff);
+
+	return 0;
+}
+
+static int viafb_blank(int blank_mode, struct fb_info *info)
+{
+	DEBUG_MSG(KERN_INFO "viafb_blank!\n");
+	/* clear DPMS setting */
+
+	switch (blank_mode) {
+	case FB_BLANK_UNBLANK:
+		/* Screen: On, HSync: On, VSync: On */
+		/* control CRT monitor power management */
+		viafb_write_reg_mask(CR36, VIACR, 0x00, BIT4 + BIT5);
+		break;
+	case FB_BLANK_HSYNC_SUSPEND:
+		/* Screen: Off, HSync: Off, VSync: On */
+		/* control CRT monitor power management */
+		viafb_write_reg_mask(CR36, VIACR, 0x10, BIT4 + BIT5);
+		break;
+	case FB_BLANK_VSYNC_SUSPEND:
+		/* Screen: Off, HSync: On, VSync: Off */
+		/* control CRT monitor power management */
+		viafb_write_reg_mask(CR36, VIACR, 0x20, BIT4 + BIT5);
+		break;
+	case FB_BLANK_POWERDOWN:
+		/* Screen: Off, HSync: Off, VSync: Off */
+		/* control CRT monitor power management */
+		viafb_write_reg_mask(CR36, VIACR, 0x30, BIT4 + BIT5);
+		break;
+	}
+
+	return 0;
+}
+
+static int viafb_ioctl(struct fb_info *info, u_int cmd, u_long arg)
+{
+	struct viafb_ioctl_mode viamode;
+	struct viafb_ioctl_samm viasamm;
+	struct viafb_driver_version driver_version;
+	struct fb_var_screeninfo sec_var;
+	struct _panel_size_pos_info panel_pos_size_para;
+	u32 state_info = 0;
+	u32 viainfo_size = sizeof(struct viafb_ioctl_info);
+	u32 *viafb_gamma_table;
+	char driver_name[] = "viafb";
+
+	u32 __user *argp = (u32 __user *) arg;
+	u32 gpu32;
+	u32 video_dev_info = 0;
+	struct viafb_ioctl_setting viafb_setting = {};
+	struct device_t active_dev = {};
+
+	DEBUG_MSG(KERN_INFO "viafb_ioctl: 0x%X !!\n", cmd);
+
+	switch (cmd) {
+	case VIAFB_GET_CHIP_INFO:
+		if (copy_to_user(argp, viaparinfo->chip_info,
+				sizeof(struct chip_information)))
+			return -EFAULT;
+		break;
+	case VIAFB_GET_INFO_SIZE:
+		return put_user(viainfo_size, argp);
+	case VIAFB_GET_INFO:
+		return viafb_ioctl_get_viafb_info(arg);
+	case VIAFB_HOTPLUG:
+		return put_user(viafb_ioctl_hotplug(info->var.xres,
+					      info->var.yres,
+					      info->var.bits_per_pixel), argp);
+	case VIAFB_SET_HOTPLUG_FLAG:
+		if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
+			return -EFAULT;
+		viafb_hotplug = (gpu32) ? 1 : 0;
+		break;
+	case VIAFB_GET_RESOLUTION:
+		viamode.xres = (u32) viafb_hotplug_Xres;
+		viamode.yres = (u32) viafb_hotplug_Yres;
+		viamode.refresh = (u32) viafb_hotplug_refresh;
+		viamode.bpp = (u32) viafb_hotplug_bpp;
+		if (viafb_SAMM_ON == 1) {
+			viamode.xres_sec = viafb_second_xres;
+			viamode.yres_sec = viafb_second_yres;
+			viamode.virtual_xres_sec = viafb_second_virtual_xres;
+			viamode.virtual_yres_sec = viafb_second_virtual_yres;
+			viamode.refresh_sec = viafb_refresh1;
+			viamode.bpp_sec = viafb_bpp1;
+		} else {
+			viamode.xres_sec = 0;
+			viamode.yres_sec = 0;
+			viamode.virtual_xres_sec = 0;
+			viamode.virtual_yres_sec = 0;
+			viamode.refresh_sec = 0;
+			viamode.bpp_sec = 0;
+		}
+		if (copy_to_user(argp, &viamode, sizeof(viamode)))
+			return -EFAULT;
+		break;
+	case VIAFB_GET_SAMM_INFO:
+		viasamm.samm_status = viafb_SAMM_ON;
+
+		if (viafb_SAMM_ON == 1) {
+			if (viafb_dual_fb) {
+				viasamm.size_prim = viaparinfo->fbmem_free;
+				viasamm.size_sec = viaparinfo1->fbmem_free;
+			} else {
+				if (viafb_second_size) {
+					viasamm.size_prim =
+					    viaparinfo->fbmem_free -
+					    viafb_second_size * 1024 * 1024;
+					viasamm.size_sec =
+					    viafb_second_size * 1024 * 1024;
+				} else {
+					viasamm.size_prim =
+					    viaparinfo->fbmem_free >> 1;
+					viasamm.size_sec =
+					    (viaparinfo->fbmem_free >> 1);
+				}
+			}
+			viasamm.mem_base = viaparinfo->fbmem;
+			viasamm.offset_sec = viafb_second_offset;
+		} else {
+			viasamm.size_prim =
+			    viaparinfo->memsize - viaparinfo->fbmem_used;
+			viasamm.size_sec = 0;
+			viasamm.mem_base = viaparinfo->fbmem;
+			viasamm.offset_sec = 0;
+		}
+
+		if (copy_to_user(argp, &viasamm, sizeof(viasamm)))
+			return -EFAULT;
+
+		break;
+	case VIAFB_TURN_ON_OUTPUT_DEVICE:
+		if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
+			return -EFAULT;
+		if (gpu32 & CRT_Device)
+			viafb_crt_enable();
+		if (gpu32 & DVI_Device)
+			viafb_dvi_enable();
+		if (gpu32 & LCD_Device)
+			viafb_lcd_enable();
+		break;
+	case VIAFB_TURN_OFF_OUTPUT_DEVICE:
+		if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
+			return -EFAULT;
+		if (gpu32 & CRT_Device)
+			viafb_crt_disable();
+		if (gpu32 & DVI_Device)
+			viafb_dvi_disable();
+		if (gpu32 & LCD_Device)
+			viafb_lcd_disable();
+		break;
+	case VIAFB_SET_DEVICE:
+		if (copy_from_user(&active_dev, (void *)argp,
+			sizeof(active_dev)))
+			return -EFAULT;
+		viafb_set_device(active_dev);
+		viafb_set_par(info);
+		break;
+	case VIAFB_GET_DEVICE:
+		active_dev.crt = viafb_CRT_ON;
+		active_dev.dvi = viafb_DVI_ON;
+		active_dev.lcd = viafb_LCD_ON;
+		active_dev.samm = viafb_SAMM_ON;
+		active_dev.primary_dev = viafb_primary_dev;
+
+		active_dev.lcd_dsp_cent = viafb_lcd_dsp_method;
+		active_dev.lcd_panel_id = viafb_lcd_panel_id;
+		active_dev.lcd_mode = viafb_lcd_mode;
+
+		active_dev.xres = viafb_hotplug_Xres;
+		active_dev.yres = viafb_hotplug_Yres;
+
+		active_dev.xres1 = viafb_second_xres;
+		active_dev.yres1 = viafb_second_yres;
+
+		active_dev.bpp = viafb_bpp;
+		active_dev.bpp1 = viafb_bpp1;
+		active_dev.refresh = viafb_refresh;
+		active_dev.refresh1 = viafb_refresh1;
+
+		active_dev.epia_dvi = viafb_platform_epia_dvi;
+		active_dev.lcd_dual_edge = viafb_device_lcd_dualedge;
+		active_dev.bus_width = viafb_bus_width;
+
+		if (copy_to_user(argp, &active_dev, sizeof(active_dev)))
+			return -EFAULT;
+		break;
+
+	case VIAFB_GET_DRIVER_VERSION:
+		driver_version.iMajorNum = VERSION_MAJOR;
+		driver_version.iKernelNum = VERSION_KERNEL;
+		driver_version.iOSNum = VERSION_OS;
+		driver_version.iMinorNum = VERSION_MINOR;
+
+		if (copy_to_user(argp, &driver_version,
+			sizeof(driver_version)))
+			return -EFAULT;
+
+		break;
+
+	case VIAFB_SET_DEVICE_INFO:
+		if (copy_from_user(&viafb_setting,
+			argp, sizeof(viafb_setting)))
+			return -EFAULT;
+		if (apply_device_setting(viafb_setting, info) < 0)
+			return -EINVAL;
+
+		break;
+
+	case VIAFB_SET_SECOND_MODE:
+		if (copy_from_user(&sec_var, argp, sizeof(sec_var)))
+			return -EFAULT;
+		apply_second_mode_setting(&sec_var);
+		break;
+
+	case VIAFB_GET_DEVICE_INFO:
+
+		retrieve_device_setting(&viafb_setting);
+
+		if (copy_to_user(argp, &viafb_setting, sizeof(viafb_setting)))
+			return -EFAULT;
+
+		break;
+
+	case VIAFB_GET_DEVICE_SUPPORT:
+		viafb_get_device_support_state(&state_info);
+		if (put_user(state_info, argp))
+			return -EFAULT;
+		break;
+
+	case VIAFB_GET_DEVICE_CONNECT:
+		viafb_get_device_connect_state(&state_info);
+		if (put_user(state_info, argp))
+			return -EFAULT;
+		break;
+
+	case VIAFB_GET_PANEL_SUPPORT_EXPAND:
+		state_info =
+		    viafb_lcd_get_support_expand_state(info->var.xres,
+						 info->var.yres);
+		if (put_user(state_info, argp))
+			return -EFAULT;
+		break;
+
+	case VIAFB_GET_DRIVER_NAME:
+		if (copy_to_user(argp, driver_name, sizeof(driver_name)))
+			return -EFAULT;
+		break;
+
+	case VIAFB_SET_GAMMA_LUT:
+		viafb_gamma_table = kmalloc(256 * sizeof(u32), GFP_KERNEL);
+		if (!viafb_gamma_table)
+			return -ENOMEM;
+		if (copy_from_user(viafb_gamma_table, argp,
+				sizeof(viafb_gamma_table))) {
+			kfree(viafb_gamma_table);
+			return -EFAULT;
+		}
+		viafb_set_gamma_table(viafb_bpp, viafb_gamma_table);
+		kfree(viafb_gamma_table);
+		break;
+
+	case VIAFB_GET_GAMMA_LUT:
+		viafb_gamma_table = kmalloc(256 * sizeof(u32), GFP_KERNEL);
+		if (!viafb_gamma_table)
+			return -ENOMEM;
+		viafb_get_gamma_table(viafb_gamma_table);
+		if (copy_to_user(argp, viafb_gamma_table,
+			sizeof(viafb_gamma_table))) {
+			kfree(viafb_gamma_table);
+			return -EFAULT;
+		}
+		kfree(viafb_gamma_table);
+		break;
+
+	case VIAFB_GET_GAMMA_SUPPORT_STATE:
+		viafb_get_gamma_support_state(viafb_bpp, &state_info);
+		if (put_user(state_info, argp))
+			return -EFAULT;
+		break;
+	case VIAFB_SET_VIDEO_DEVICE:
+		get_user(video_dev_info, argp);
+		viafb_set_video_device(video_dev_info);
+		break;
+	case VIAFB_GET_VIDEO_DEVICE:
+		viafb_get_video_device(&video_dev_info);
+		if (put_user(video_dev_info, argp))
+			return -EFAULT;
+		break;
+	case VIAFB_SYNC_SURFACE:
+		DEBUG_MSG(KERN_INFO "lobo VIAFB_SYNC_SURFACE\n");
+		break;
+	case VIAFB_GET_DRIVER_CAPS:
+		break;
+
+	case VIAFB_GET_PANEL_MAX_SIZE:
+		if (copy_from_user
+		    (&panel_pos_size_para, argp, sizeof(panel_pos_size_para)))
+			return -EFAULT;
+		panel_pos_size_para.x = panel_pos_size_para.y = 0;
+		if (copy_to_user(argp, &panel_pos_size_para,
+		     sizeof(panel_pos_size_para)))
+			return -EFAULT;
+		break;
+	case VIAFB_GET_PANEL_MAX_POSITION:
+		if (copy_from_user
+		    (&panel_pos_size_para, argp, sizeof(panel_pos_size_para)))
+			return -EFAULT;
+		panel_pos_size_para.x = panel_pos_size_para.y = 0;
+		if (copy_to_user(argp, &panel_pos_size_para,
+		     sizeof(panel_pos_size_para)))
+			return -EFAULT;
+		break;
+
+	case VIAFB_GET_PANEL_POSITION:
+		if (copy_from_user
+		    (&panel_pos_size_para, argp, sizeof(panel_pos_size_para)))
+			return -EFAULT;
+		panel_pos_size_para.x = panel_pos_size_para.y = 0;
+		if (copy_to_user(argp, &panel_pos_size_para,
+		     sizeof(panel_pos_size_para)))
+			return -EFAULT;
+		break;
+	case VIAFB_GET_PANEL_SIZE:
+		if (copy_from_user
+		    (&panel_pos_size_para, argp, sizeof(panel_pos_size_para)))
+			return -EFAULT;
+		panel_pos_size_para.x = panel_pos_size_para.y = 0;
+		if (copy_to_user(argp, &panel_pos_size_para,
+		     sizeof(panel_pos_size_para)))
+			return -EFAULT;
+		break;
+
+	case VIAFB_SET_PANEL_POSITION:
+		if (copy_from_user
+		    (&panel_pos_size_para, argp, sizeof(panel_pos_size_para)))
+			return -EFAULT;
+		break;
+	case VIAFB_SET_PANEL_SIZE:
+		if (copy_from_user
+		    (&panel_pos_size_para, argp, sizeof(panel_pos_size_para)))
+			return -EFAULT;
+		break;
+
+	default:
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static void viafb_fillrect(struct fb_info *info,
+	const struct fb_fillrect *rect)
+{
+	u32 col = 0, rop = 0;
+	int pitch;
+
+	if (!viafb_accel)
+		return cfb_fillrect(info, rect);
+
+	if (!rect->width || !rect->height)
+		return;
+
+	switch (rect->rop) {
+	case ROP_XOR:
+		rop = 0x5A;
+		break;
+	case ROP_COPY:
+	default:
+		rop = 0xF0;
+		break;
+	}
+
+	switch (info->var.bits_per_pixel) {
+	case 8:
+		col = rect->color;
+		break;
+	case 16:
+		col = ((u32 *) (info->pseudo_palette))[rect->color];
+		break;
+	case 32:
+		col = ((u32 *) (info->pseudo_palette))[rect->color];
+		break;
+	}
+
+	/* BitBlt Source Address */
+	MMIO_OUT32(VIA_REG_SRCPOS, 0x0);
+	/* Source Base Address */
+	MMIO_OUT32(VIA_REG_SRCBASE, 0x0);
+	/* Destination Base Address */
+	/*MMIO_OUT32(VIA_REG_DSTBASE, 0x0); */
+	MMIO_OUT32(VIA_REG_DSTBASE,
+		   ((u32) (info->screen_base) - (u32) viafb_FB_MM) >> 3);
+	/* Pitch */
+	pitch = (info->var.xres_virtual + 7) & ~7;
+	MMIO_OUT32(VIA_REG_PITCH,
+		   VIA_PITCH_ENABLE |
+		   (((pitch *
+		      info->var.bits_per_pixel >> 3) >> 3) |
+		      (((pitch * info->
+		      var.bits_per_pixel >> 3) >> 3) << 16)));
+	/* BitBlt Destination Address */
+	MMIO_OUT32(VIA_REG_DSTPOS, ((rect->dy << 16) | rect->dx));
+	/* Dimension: width & height */
+	MMIO_OUT32(VIA_REG_DIMENSION,
+		   (((rect->height - 1) << 16) | (rect->width - 1)));
+	/* Forground color or Destination color */
+	MMIO_OUT32(VIA_REG_FGCOLOR, col);
+	/* GE Command */
+	MMIO_OUT32(VIA_REG_GECMD, (0x01 | 0x2000 | (rop << 24)));
+
+}
+
+static void viafb_copyarea(struct fb_info *info,
+	const struct fb_copyarea *area)
+{
+	u32 dy = area->dy, sy = area->sy, direction = 0x0;
+	u32 sx = area->sx, dx = area->dx, width = area->width;
+	int pitch;
+
+	DEBUG_MSG(KERN_INFO "viafb_copyarea!!\n");
+
+	if (!viafb_accel)
+		return cfb_copyarea(info, area);
+
+	if (!area->width || !area->height)
+		return;
+
+	if (sy < dy) {
+		dy += area->height - 1;
+		sy += area->height - 1;
+		direction |= 0x4000;
+	}
+
+	if (sx < dx) {
+		dx += width - 1;
+		sx += width - 1;
+		direction |= 0x8000;
+	}
+
+	/* Source Base Address */
+	/*MMIO_OUT32(VIA_REG_SRCBASE, 0x0); */
+	MMIO_OUT32(VIA_REG_SRCBASE,
+		   ((u32) (info->screen_base) - (u32) viafb_FB_MM) >> 3);
+	/* Destination Base Address */
+	/*MMIO_OUT32(VIA_REG_DSTBASE, 0x0); */
+	MMIO_OUT32(VIA_REG_DSTBASE,
+		   ((u32) (info->screen_base) - (u32) viafb_FB_MM) >> 3);
+	/* Pitch */
+	pitch = (info->var.xres_virtual + 7) & ~7;
+	/* VIA_PITCH_ENABLE can be omitted now. */
+	MMIO_OUT32(VIA_REG_PITCH,
+		   VIA_PITCH_ENABLE |
+		   (((pitch *
+		      info->var.bits_per_pixel >> 3) >> 3) | (((pitch *
+								info->var.
+								bits_per_pixel
+								>> 3) >> 3)
+							      << 16)));
+	/* BitBlt Source Address */
+	MMIO_OUT32(VIA_REG_SRCPOS, ((sy << 16) | sx));
+	/* BitBlt Destination Address */
+	MMIO_OUT32(VIA_REG_DSTPOS, ((dy << 16) | dx));
+	/* Dimension: width & height */
+	MMIO_OUT32(VIA_REG_DIMENSION,
+		   (((area->height - 1) << 16) | (area->width - 1)));
+	/* GE Command */
+	MMIO_OUT32(VIA_REG_GECMD, (0x01 | direction | (0xCC << 24)));
+
+}
+
+static void viafb_imageblit(struct fb_info *info,
+	const struct fb_image *image)
+{
+	u32 size, bg_col = 0, fg_col = 0, *udata;
+	int i;
+	int pitch;
+
+	if (!viafb_accel)
+		return cfb_imageblit(info, image);
+
+	udata = (u32 *) image->data;
+
+	switch (info->var.bits_per_pixel) {
+	case 8:
+		bg_col = image->bg_color;
+		fg_col = image->fg_color;
+		break;
+	case 16:
+		bg_col = ((u32 *) (info->pseudo_palette))[image->bg_color];
+		fg_col = ((u32 *) (info->pseudo_palette))[image->fg_color];
+		break;
+	case 32:
+		bg_col = ((u32 *) (info->pseudo_palette))[image->bg_color];
+		fg_col = ((u32 *) (info->pseudo_palette))[image->fg_color];
+		break;
+	}
+	size = image->width * image->height;
+
+	/* Source Base Address */
+	MMIO_OUT32(VIA_REG_SRCBASE, 0x0);
+	/* Destination Base Address */
+	/*MMIO_OUT32(VIA_REG_DSTBASE, 0x0); */
+	MMIO_OUT32(VIA_REG_DSTBASE,
+		   ((u32) (info->screen_base) - (u32) viafb_FB_MM) >> 3);
+	/* Pitch */
+	pitch = (info->var.xres_virtual + 7) & ~7;
+	MMIO_OUT32(VIA_REG_PITCH,
+		   VIA_PITCH_ENABLE |
+		   (((pitch *
+		      info->var.bits_per_pixel >> 3) >> 3) | (((pitch *
+								info->var.
+								bits_per_pixel
+								>> 3) >> 3)
+							      << 16)));
+	/* BitBlt Source Address */
+	MMIO_OUT32(VIA_REG_SRCPOS, 0x0);
+	/* BitBlt Destination Address */
+	MMIO_OUT32(VIA_REG_DSTPOS, ((image->dy << 16) | image->dx));
+	/* Dimension: width & height */
+	MMIO_OUT32(VIA_REG_DIMENSION,
+		   (((image->height - 1) << 16) | (image->width - 1)));
+	/* fb color */
+	MMIO_OUT32(VIA_REG_FGCOLOR, fg_col);
+	/* bg color */
+	MMIO_OUT32(VIA_REG_BGCOLOR, bg_col);
+	/* GE Command */
+	MMIO_OUT32(VIA_REG_GECMD, 0xCC020142);
+
+	for (i = 0; i < size / 4; i++) {
+		MMIO_OUT32(VIA_MMIO_BLTBASE, *udata);
+		udata++;
+	}
+
+}
+
+static int viafb_cursor(struct fb_info *info, struct fb_cursor *cursor)
+{
+	u8 data[CURSOR_SIZE / 8];
+	u32 data_bak[CURSOR_SIZE / 32];
+	u32 temp, xx, yy, bg_col = 0, fg_col = 0;
+	int size, i, j = 0;
+	static int hw_cursor;
+	struct viafb_par *p_viafb_par;
+
+	if (viafb_accel)
+		hw_cursor = 1;
+
+	if (!viafb_accel) {
+		if (hw_cursor) {
+			viafb_show_hw_cursor(info, HW_Cursor_OFF);
+			hw_cursor = 0;
+		}
+		return -ENODEV;
+	}
+
+	if ((((struct viafb_par *)(info->par))->iga_path == IGA2)
+	    && (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266))
+		return -ENODEV;
+
+	/* When duoview and using lcd , use soft cursor */
+	if (viafb_LCD_ON || ((struct viafb_par *)(info->par))->duoview)
+		return -ENODEV;
+
+	viafb_show_hw_cursor(info, HW_Cursor_OFF);
+	viacursor = *cursor;
+
+	if (cursor->set & FB_CUR_SETHOT) {
+		viacursor.hot = cursor->hot;
+		temp = ((viacursor.hot.x) << 16) + viacursor.hot.y;
+		MMIO_OUT32(VIA_REG_CURSOR_ORG, temp);
+	}
+
+	if (cursor->set & FB_CUR_SETPOS) {
+		viacursor.image.dx = cursor->image.dx;
+		viacursor.image.dy = cursor->image.dy;
+		yy = cursor->image.dy - info->var.yoffset;
+		xx = cursor->image.dx - info->var.xoffset;
+		temp = yy & 0xFFFF;
+		temp |= (xx << 16);
+		MMIO_OUT32(VIA_REG_CURSOR_POS, temp);
+	}
+
+	if (cursor->set & FB_CUR_SETSIZE) {
+		temp = MMIO_IN32(VIA_REG_CURSOR_MODE);
+
+		if ((cursor->image.width <= 32)
+		    && (cursor->image.height <= 32)) {
+			MAX_CURS = 32;
+			temp |= 0x2;
+		} else if ((cursor->image.width <= 64)
+			   && (cursor->image.height <= 64)) {
+			MAX_CURS = 64;
+			temp &= 0xFFFFFFFD;
+		} else {
+			DEBUG_MSG(KERN_INFO
+			"The cursor image is biger than 64x64 bits...\n");
+			return -ENXIO;
+		}
+		MMIO_OUT32(VIA_REG_CURSOR_MODE, temp);
+
+		viacursor.image.height = cursor->image.height;
+		viacursor.image.width = cursor->image.width;
+	}
+
+	if (cursor->set & FB_CUR_SETCMAP) {
+		viacursor.image.fg_color = cursor->image.fg_color;
+		viacursor.image.bg_color = cursor->image.bg_color;
+
+		switch (info->var.bits_per_pixel) {
+		case 8:
+		case 16:
+		case 32:
+			bg_col =
+			    (0xFF << 24) |
+			    (((info->cmap.red)[viacursor.image.bg_color] &
+			    0xFF00) << 8) |
+			    ((info->cmap.green)[viacursor.image.bg_color] &
+			    0xFF00) |
+			    (((info->cmap.blue)[viacursor.image.bg_color] &
+			    0xFF00) >> 8);
+			fg_col =
+			    (0xFF << 24) |
+			    (((info->cmap.red)[viacursor.image.fg_color] &
+			    0xFF00) << 8) |
+			    ((info->cmap.green)[viacursor.image.fg_color] &
+			    0xFF00) |
+			    (((info->cmap.blue)[viacursor.image.fg_color] &
+			    0xFF00) >> 8);
+			break;
+		default:
+			return 0;
+		}
+
+		/* This is indeed a patch for VT3324/VT3353 */
+		if (!info->par)
+			return 0;
+		p_viafb_par = (struct viafb_par *)info->par;
+
+		if ((p_viafb_par->chip_info->gfx_chip_name ==
+			UNICHROME_CX700) ||
+			((p_viafb_par->chip_info->gfx_chip_name ==
+			UNICHROME_VX800))) {
+			bg_col =
+			    (((info->cmap.red)[viacursor.image.bg_color] &
+			    0xFFC0) << 14) |
+			    (((info->cmap.green)[viacursor.image.bg_color] &
+			    0xFFC0) << 4) |
+			    (((info->cmap.blue)[viacursor.image.bg_color] &
+			    0xFFC0) >> 6);
+			fg_col =
+			    (((info->cmap.red)[viacursor.image.fg_color] &
+			    0xFFC0) << 14) |
+			    (((info->cmap.green)[viacursor.image.fg_color] &
+			    0xFFC0) << 4) |
+			    (((info->cmap.blue)[viacursor.image.fg_color] &
+			    0xFFC0) >> 6);
+		}
+
+		MMIO_OUT32(VIA_REG_CURSOR_BG, bg_col);
+		MMIO_OUT32(VIA_REG_CURSOR_FG, fg_col);
+	}
+
+	if (cursor->set & FB_CUR_SETSHAPE) {
+		size =
+		    ((viacursor.image.width + 7) >> 3) *
+		    viacursor.image.height;
+
+		if (MAX_CURS == 32) {
+			for (i = 0; i < (CURSOR_SIZE / 32); i++) {
+				data_bak[i] = 0x0;
+				data_bak[i + 1] = 0xFFFFFFFF;
+				i += 1;
+			}
+		} else if (MAX_CURS == 64) {
+			for (i = 0; i < (CURSOR_SIZE / 32); i++) {
+				data_bak[i] = 0x0;
+				data_bak[i + 1] = 0x0;
+				data_bak[i + 2] = 0xFFFFFFFF;
+				data_bak[i + 3] = 0xFFFFFFFF;
+				i += 3;
+			}
+		}
+
+		switch (viacursor.rop) {
+		case ROP_XOR:
+			for (i = 0; i < size; i++)
+				data[i] = viacursor.mask[i];
+			break;
+		case ROP_COPY:
+
+			for (i = 0; i < size; i++)
+				data[i] = viacursor.mask[i];
+			break;
+		default:
+			break;
+		}
+
+		if (MAX_CURS == 32) {
+			for (i = 0; i < size; i++) {
+				data_bak[j] = (u32) data[i];
+				data_bak[j + 1] = ~data_bak[j];
+				j += 2;
+			}
+		} else if (MAX_CURS == 64) {
+			for (i = 0; i < size; i++) {
+				data_bak[j] = (u32) data[i];
+				data_bak[j + 1] = 0x0;
+				data_bak[j + 2] = ~data_bak[j];
+				data_bak[j + 3] = ~data_bak[j + 1];
+				j += 4;
+			}
+		}
+
+		memcpy(((struct viafb_par *)(info->par))->fbmem_virt +
+		       ((struct viafb_par *)(info->par))->cursor_start,
+		       data_bak, CURSOR_SIZE);
+	}
+
+	if (viacursor.enable)
+		viafb_show_hw_cursor(info, HW_Cursor_ON);
+
+	return 0;
+}
+
+static int viafb_sync(struct fb_info *info)
+{
+	if (viafb_accel)
+		viafb_wait_engine_idle();
+	return 0;
+}
+
+int viafb_get_mode_index(int hres, int vres, int flag)
+{
+	u32 i;
+	DEBUG_MSG(KERN_INFO "viafb_get_mode_index!\n");
+
+	for (i = 0; viafb_modentry[i].mode_index != VIA_RES_INVALID; i++)
+		if (viafb_modentry[i].xres == hres &&
+			viafb_modentry[i].yres == vres)
+			break;
+
+	viafb_resMode = viafb_modentry[i].mode_index;
+	if (flag)
+		viafb_mode1 = viafb_modentry[i].mode_res;
+	else
+		viafb_mode = viafb_modentry[i].mode_res;
+
+	return viafb_resMode;
+}
+
+static void check_available_device_to_enable(int device_id)
+{
+	int device_num = 0;
+
+	/* Initialize: */
+	viafb_CRT_ON = STATE_OFF;
+	viafb_DVI_ON = STATE_OFF;
+	viafb_LCD_ON = STATE_OFF;
+	viafb_LCD2_ON = STATE_OFF;
+	viafb_DeviceStatus = None_Device;
+
+	if ((device_id & CRT_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) {
+		viafb_CRT_ON = STATE_ON;
+		device_num++;
+		viafb_DeviceStatus |= CRT_Device;
+	}
+
+	if ((device_id & DVI_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) {
+		viafb_DVI_ON = STATE_ON;
+		device_num++;
+		viafb_DeviceStatus |= DVI_Device;
+	}
+
+	if ((device_id & LCD_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) {
+		viafb_LCD_ON = STATE_ON;
+		device_num++;
+		viafb_DeviceStatus |= LCD_Device;
+	}
+
+	if ((device_id & LCD2_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) {
+		viafb_LCD2_ON = STATE_ON;
+		device_num++;
+		viafb_DeviceStatus |= LCD2_Device;
+	}
+
+	if (viafb_DeviceStatus == None_Device) {
+		/* Use CRT as default active device: */
+		viafb_CRT_ON = STATE_ON;
+		viafb_DeviceStatus = CRT_Device;
+	}
+	DEBUG_MSG(KERN_INFO "Device Status:%x", viafb_DeviceStatus);
+}
+
+static void viafb_set_device(struct device_t active_dev)
+{
+	/* Check available device to enable: */
+	int device_id = None_Device;
+	if (active_dev.crt)
+		device_id |= CRT_Device;
+	if (active_dev.dvi)
+		device_id |= DVI_Device;
+	if (active_dev.lcd)
+		device_id |= LCD_Device;
+
+	check_available_device_to_enable(device_id);
+
+	/* Check property of LCD: */
+	if (viafb_LCD_ON) {
+		if (active_dev.lcd_dsp_cent) {
+			viaparinfo->lvds_setting_info->display_method =
+				viafb_lcd_dsp_method = LCD_CENTERING;
+		} else {
+			viaparinfo->lvds_setting_info->display_method =
+				viafb_lcd_dsp_method = LCD_EXPANDSION;
+		}
+
+		if (active_dev.lcd_mode == LCD_SPWG) {
+			viaparinfo->lvds_setting_info->lcd_mode =
+				viafb_lcd_mode = LCD_SPWG;
+		} else {
+			viaparinfo->lvds_setting_info->lcd_mode =
+				viafb_lcd_mode = LCD_OPENLDI;
+		}
+
+		if (active_dev.lcd_panel_id <= LCD_PANEL_ID_MAXIMUM) {
+			viafb_lcd_panel_id = active_dev.lcd_panel_id;
+			viafb_init_lcd_size();
+		}
+	}
+
+	/* Check property of mode: */
+	if (!active_dev.xres1)
+		viafb_second_xres = 640;
+	else
+		viafb_second_xres = active_dev.xres1;
+	if (!active_dev.yres1)
+		viafb_second_yres = 480;
+	else
+		viafb_second_yres = active_dev.yres1;
+	if (active_dev.bpp != 0)
+		viafb_bpp = active_dev.bpp;
+	if (active_dev.bpp1 != 0)
+		viafb_bpp1 = active_dev.bpp1;
+	if (active_dev.refresh != 0)
+		viafb_refresh = active_dev.refresh;
+	if (active_dev.refresh1 != 0)
+		viafb_refresh1 = active_dev.refresh1;
+	if ((active_dev.samm == STATE_OFF) || (active_dev.samm == STATE_ON))
+		viafb_SAMM_ON = active_dev.samm;
+	viafb_primary_dev = active_dev.primary_dev;
+
+	viafb_set_start_addr();
+	viafb_set_iga_path();
+}
+
+static void viafb_set_video_device(u32 video_dev_info)
+{
+	viaparinfo->video_on_crt = STATE_OFF;
+	viaparinfo->video_on_dvi = STATE_OFF;
+	viaparinfo->video_on_lcd = STATE_OFF;
+
+	/* Check available device to enable: */
+	if ((video_dev_info & CRT_Device) == CRT_Device)
+		viaparinfo->video_on_crt = STATE_ON;
+	else if ((video_dev_info & DVI_Device) == DVI_Device)
+		viaparinfo->video_on_dvi = STATE_ON;
+	else if ((video_dev_info & LCD_Device) == LCD_Device)
+		viaparinfo->video_on_lcd = STATE_ON;
+}
+
+static void viafb_get_video_device(u32 *video_dev_info)
+{
+	*video_dev_info = None_Device;
+	if (viaparinfo->video_on_crt == STATE_ON)
+		*video_dev_info |= CRT_Device;
+	else if (viaparinfo->video_on_dvi == STATE_ON)
+		*video_dev_info |= DVI_Device;
+	else if (viaparinfo->video_on_lcd == STATE_ON)
+		*video_dev_info |= LCD_Device;
+}
+
+static int get_primary_device(void)
+{
+	int primary_device = 0;
+	/* Rule: device on iga1 path are the primary device. */
+	if (viafb_SAMM_ON) {
+		if (viafb_CRT_ON) {
+			if (viaparinfo->crt_setting_info->iga_path == IGA1) {
+				DEBUG_MSG(KERN_INFO "CRT IGA Path:%d\n",
+					viaparinfo->
+					crt_setting_info->iga_path);
+				primary_device = CRT_Device;
+			}
+		}
+		if (viafb_DVI_ON) {
+			if (viaparinfo->tmds_setting_info->iga_path == IGA1) {
+				DEBUG_MSG(KERN_INFO "DVI IGA Path:%d\n",
+					viaparinfo->
+					tmds_setting_info->iga_path);
+				primary_device = DVI_Device;
+			}
+		}
+		if (viafb_LCD_ON) {
+			if (viaparinfo->lvds_setting_info->iga_path == IGA1) {
+				DEBUG_MSG(KERN_INFO "LCD IGA Path:%d\n",
+					viaparinfo->
+					lvds_setting_info->iga_path);
+				primary_device = LCD_Device;
+			}
+		}
+		if (viafb_LCD2_ON) {
+			if (viaparinfo->lvds_setting_info2->iga_path == IGA1) {
+				DEBUG_MSG(KERN_INFO "LCD2 IGA Path:%d\n",
+					viaparinfo->
+					lvds_setting_info2->iga_path);
+				primary_device = LCD2_Device;
+			}
+		}
+	}
+	return primary_device;
+}
+
+static u8 is_duoview(void)
+{
+	if (0 == viafb_SAMM_ON) {
+		if (viafb_LCD_ON + viafb_LCD2_ON +
+			viafb_DVI_ON + viafb_CRT_ON == 2)
+			return true;
+		return false;
+	} else {
+		return false;
+	}
+}
+
+static void apply_second_mode_setting(struct fb_var_screeninfo
+	*sec_var)
+{
+	u32 htotal, vtotal, long_refresh;
+
+	htotal = sec_var->xres + sec_var->left_margin +
+		sec_var->right_margin + sec_var->hsync_len;
+	vtotal = sec_var->yres + sec_var->upper_margin +
+		sec_var->lower_margin + sec_var->vsync_len;
+	if ((sec_var->xres_virtual * (sec_var->bits_per_pixel >> 3)) & 0x1F) {
+		/*Is 32 bytes alignment? */
+		/*32 pixel alignment */
+		sec_var->xres_virtual = (sec_var->xres_virtual + 31) & ~31;
+	}
+
+	htotal = sec_var->xres + sec_var->left_margin +
+		sec_var->right_margin + sec_var->hsync_len;
+	vtotal = sec_var->yres + sec_var->upper_margin +
+		sec_var->lower_margin + sec_var->vsync_len;
+	long_refresh = 1000000000UL / sec_var->pixclock * 1000;
+	long_refresh /= (htotal * vtotal);
+
+	viafb_second_xres = sec_var->xres;
+	viafb_second_yres = sec_var->yres;
+	viafb_second_virtual_xres = sec_var->xres_virtual;
+	viafb_second_virtual_yres = sec_var->yres_virtual;
+	viafb_bpp1 = sec_var->bits_per_pixel;
+	viafb_refresh1 = viafb_get_refresh(sec_var->xres, sec_var->yres,
+		long_refresh);
+}
+
+static int apply_device_setting(struct viafb_ioctl_setting setting_info,
+	struct fb_info *info)
+{
+	int need_set_mode = 0;
+	DEBUG_MSG(KERN_INFO "apply_device_setting\n");
+
+	if (setting_info.device_flag) {
+		need_set_mode = 1;
+		check_available_device_to_enable(setting_info.device_status);
+	}
+
+	/* Unlock LCD's operation according to LCD flag
+	   and check if the setting value is valid. */
+	/* If the value is valid, apply the new setting value to the device. */
+	if (viafb_LCD_ON) {
+		if (setting_info.lcd_operation_flag & OP_LCD_CENTERING) {
+			need_set_mode = 1;
+			if (setting_info.lcd_attributes.display_center) {
+				/* Centering */
+				viaparinfo->lvds_setting_info->display_method =
+				    LCD_CENTERING;
+				viafb_lcd_dsp_method = LCD_CENTERING;
+				viaparinfo->lvds_setting_info2->display_method =
+				    viafb_lcd_dsp_method = LCD_CENTERING;
+			} else {
+				/* expandsion */
+				viaparinfo->lvds_setting_info->display_method =
+				    LCD_EXPANDSION;
+				viafb_lcd_dsp_method = LCD_EXPANDSION;
+				viaparinfo->lvds_setting_info2->display_method =
+				    LCD_EXPANDSION;
+				viafb_lcd_dsp_method = LCD_EXPANDSION;
+			}
+		}
+
+		if (setting_info.lcd_operation_flag & OP_LCD_MODE) {
+			need_set_mode = 1;
+			if (setting_info.lcd_attributes.lcd_mode ==
+				LCD_SPWG) {
+				viaparinfo->lvds_setting_info->lcd_mode =
+					viafb_lcd_mode = LCD_SPWG;
+			} else {
+				viaparinfo->lvds_setting_info->lcd_mode =
+					viafb_lcd_mode = LCD_OPENLDI;
+			}
+			viaparinfo->lvds_setting_info2->lcd_mode =
+			    viaparinfo->lvds_setting_info->lcd_mode;
+		}
+
+		if (setting_info.lcd_operation_flag & OP_LCD_PANEL_ID) {
+			need_set_mode = 1;
+			if (setting_info.lcd_attributes.panel_id <=
+			    LCD_PANEL_ID_MAXIMUM) {
+				viafb_lcd_panel_id =
+				    setting_info.lcd_attributes.panel_id;
+				viafb_init_lcd_size();
+			}
+		}
+	}
+
+	if (0 != (setting_info.samm_status & OP_SAMM)) {
+		setting_info.samm_status =
+		    setting_info.samm_status & (~OP_SAMM);
+		if (setting_info.samm_status == 0
+		    || setting_info.samm_status == 1) {
+			viafb_SAMM_ON = setting_info.samm_status;
+
+			if (viafb_SAMM_ON)
+				viafb_primary_dev = setting_info.primary_device;
+
+			viafb_set_start_addr();
+			viafb_set_iga_path();
+		}
+		need_set_mode = 1;
+	}
+
+	viaparinfo->duoview = is_duoview();
+
+	if (!need_set_mode) {
+		;
+	} else {
+		viafb_set_iga_path();
+		viafb_set_par(info);
+	}
+	return true;
+}
+
+static void retrieve_device_setting(struct viafb_ioctl_setting
+	*setting_info)
+{
+
+	/* get device status */
+	if (viafb_CRT_ON == 1)
+		setting_info->device_status = CRT_Device;
+	if (viafb_DVI_ON == 1)
+		setting_info->device_status |= DVI_Device;
+	if (viafb_LCD_ON == 1)
+		setting_info->device_status |= LCD_Device;
+	if (viafb_LCD2_ON == 1)
+		setting_info->device_status |= LCD2_Device;
+	if ((viaparinfo->video_on_crt == 1) && (viafb_CRT_ON == 1)) {
+		setting_info->video_device_status =
+			viaparinfo->crt_setting_info->iga_path;
+	} else if ((viaparinfo->video_on_dvi == 1) && (viafb_DVI_ON == 1)) {
+		setting_info->video_device_status =
+			viaparinfo->tmds_setting_info->iga_path;
+	} else if ((viaparinfo->video_on_lcd == 1) && (viafb_LCD_ON == 1)) {
+		setting_info->video_device_status =
+			viaparinfo->lvds_setting_info->iga_path;
+	} else {
+		setting_info->video_device_status = 0;
+	}
+
+	setting_info->samm_status = viafb_SAMM_ON;
+	setting_info->primary_device = get_primary_device();
+
+	setting_info->first_dev_bpp = viafb_bpp;
+	setting_info->second_dev_bpp = viafb_bpp1;
+
+	setting_info->first_dev_refresh = viafb_refresh;
+	setting_info->second_dev_refresh = viafb_refresh1;
+
+	setting_info->first_dev_hor_res = viafb_hotplug_Xres;
+	setting_info->first_dev_ver_res = viafb_hotplug_Yres;
+	setting_info->second_dev_hor_res = viafb_second_xres;
+	setting_info->second_dev_ver_res = viafb_second_yres;
+
+	/* Get lcd attributes */
+	setting_info->lcd_attributes.display_center = viafb_lcd_dsp_method;
+	setting_info->lcd_attributes.panel_id = viafb_lcd_panel_id;
+	setting_info->lcd_attributes.lcd_mode = viafb_lcd_mode;
+}
+
+static void parse_active_dev(void)
+{
+	viafb_CRT_ON = STATE_OFF;
+	viafb_DVI_ON = STATE_OFF;
+	viafb_LCD_ON = STATE_OFF;
+	viafb_LCD2_ON = STATE_OFF;
+	/* 1. Modify the active status of devices. */
+	/* 2. Keep the order of devices, so we can set corresponding
+	   IGA path to devices in SAMM case. */
+	/*    Note: The previous of active_dev is primary device,
+	   and the following is secondary device. */
+	if (!strncmp(viafb_active_dev, "CRT+DVI", 7)) {
+		/* CRT+DVI */
+		viafb_CRT_ON = STATE_ON;
+		viafb_DVI_ON = STATE_ON;
+		viafb_primary_dev = CRT_Device;
+	} else if (!strncmp(viafb_active_dev, "DVI+CRT", 7)) {
+		/* DVI+CRT */
+		viafb_CRT_ON = STATE_ON;
+		viafb_DVI_ON = STATE_ON;
+		viafb_primary_dev = DVI_Device;
+	} else if (!strncmp(viafb_active_dev, "CRT+LCD", 7)) {
+		/* CRT+LCD */
+		viafb_CRT_ON = STATE_ON;
+		viafb_LCD_ON = STATE_ON;
+		viafb_primary_dev = CRT_Device;
+	} else if (!strncmp(viafb_active_dev, "LCD+CRT", 7)) {
+		/* LCD+CRT */
+		viafb_CRT_ON = STATE_ON;
+		viafb_LCD_ON = STATE_ON;
+		viafb_primary_dev = LCD_Device;
+	} else if (!strncmp(viafb_active_dev, "DVI+LCD", 7)) {
+		/* DVI+LCD */
+		viafb_DVI_ON = STATE_ON;
+		viafb_LCD_ON = STATE_ON;
+		viafb_primary_dev = DVI_Device;
+	} else if (!strncmp(viafb_active_dev, "LCD+DVI", 7)) {
+		/* LCD+DVI */
+		viafb_DVI_ON = STATE_ON;
+		viafb_LCD_ON = STATE_ON;
+		viafb_primary_dev = LCD_Device;
+	} else if (!strncmp(viafb_active_dev, "LCD+LCD2", 8)) {
+		viafb_LCD_ON = STATE_ON;
+		viafb_LCD2_ON = STATE_ON;
+		viafb_primary_dev = LCD_Device;
+	} else if (!strncmp(viafb_active_dev, "LCD2+LCD", 8)) {
+		viafb_LCD_ON = STATE_ON;
+		viafb_LCD2_ON = STATE_ON;
+		viafb_primary_dev = LCD2_Device;
+	} else if (!strncmp(viafb_active_dev, "CRT", 3)) {
+		/* CRT only */
+		viafb_CRT_ON = STATE_ON;
+		viafb_SAMM_ON = STATE_OFF;
+	} else if (!strncmp(viafb_active_dev, "DVI", 3)) {
+		/* DVI only */
+		viafb_DVI_ON = STATE_ON;
+		viafb_SAMM_ON = STATE_OFF;
+	} else if (!strncmp(viafb_active_dev, "LCD", 3)) {
+		/* LCD only */
+		viafb_LCD_ON = STATE_ON;
+		viafb_SAMM_ON = STATE_OFF;
+	} else {
+		viafb_CRT_ON = STATE_ON;
+		viafb_SAMM_ON = STATE_OFF;
+	}
+	viaparinfo->duoview = is_duoview();
+}
+
+static void parse_video_dev(void)
+{
+	viaparinfo->video_on_crt = STATE_OFF;
+	viaparinfo->video_on_dvi = STATE_OFF;
+	viaparinfo->video_on_lcd = STATE_OFF;
+
+	if (!strncmp(viafb_video_dev, "CRT", 3)) {
+		/* Video on CRT */
+		viaparinfo->video_on_crt = STATE_ON;
+	} else if (!strncmp(viafb_video_dev, "DVI", 3)) {
+		/* Video on DVI */
+		viaparinfo->video_on_dvi = STATE_ON;
+	} else if (!strncmp(viafb_video_dev, "LCD", 3)) {
+		/* Video on LCD */
+		viaparinfo->video_on_lcd = STATE_ON;
+	}
+}
+
+static int parse_port(char *opt_str, int *output_interface)
+{
+	if (!strncmp(opt_str, "DVP0", 4))
+		*output_interface = INTERFACE_DVP0;
+	else if (!strncmp(opt_str, "DVP1", 4))
+		*output_interface = INTERFACE_DVP1;
+	else if (!strncmp(opt_str, "DFP_HIGHLOW", 11))
+		*output_interface = INTERFACE_DFP;
+	else if (!strncmp(opt_str, "DFP_HIGH", 8))
+		*output_interface = INTERFACE_DFP_HIGH;
+	else if (!strncmp(opt_str, "DFP_LOW", 7))
+		*output_interface = INTERFACE_DFP_LOW;
+	else
+		*output_interface = INTERFACE_NONE;
+	return 0;
+}
+
+static void parse_lcd_port(void)
+{
+	parse_port(viafb_lcd_port, &viaparinfo->chip_info->lvds_chip_info.
+		output_interface);
+	/*Initialize to avoid unexpected behavior */
+	viaparinfo->chip_info->lvds_chip_info2.output_interface =
+	INTERFACE_NONE;
+
+	DEBUG_MSG(KERN_INFO "parse_lcd_port: viafb_lcd_port:%s,interface:%d\n",
+		  viafb_lcd_port, viaparinfo->chip_info->lvds_chip_info.
+		  output_interface);
+}
+
+static void parse_dvi_port(void)
+{
+	parse_port(viafb_dvi_port, &viaparinfo->chip_info->tmds_chip_info.
+		output_interface);
+
+	DEBUG_MSG(KERN_INFO "parse_dvi_port: viafb_dvi_port:%s,interface:%d\n",
+		  viafb_dvi_port, viaparinfo->chip_info->tmds_chip_info.
+		  output_interface);
+}
+
+/*
+ * The proc filesystem read/write function, a simple proc implement to
+ * get/set the value of DPA  DVP0,   DVP0DataDriving,  DVP0ClockDriving, DVP1,
+ * DVP1Driving, DFPHigh, DFPLow CR96,   SR2A[5], SR1B[1], SR2A[4], SR1E[2],
+ * CR9B,    SR65,    CR97,    CR99
+ */
+static int viafb_dvp0_proc_read(char *buf, char **start, off_t offset,
+int count, int *eof, void *data)
+{
+	int len = 0;
+	u8 dvp0_data_dri = 0, dvp0_clk_dri = 0, dvp0 = 0;
+	dvp0_data_dri =
+	    (viafb_read_reg(VIASR, SR2A) & BIT5) >> 4 |
+	    (viafb_read_reg(VIASR, SR1B) & BIT1) >> 1;
+	dvp0_clk_dri =
+	    (viafb_read_reg(VIASR, SR2A) & BIT4) >> 3 |
+	    (viafb_read_reg(VIASR, SR1E) & BIT2) >> 2;
+	dvp0 = viafb_read_reg(VIACR, CR96) & 0x0f;
+	len +=
+	    sprintf(buf + len, "%x %x %x\n", dvp0, dvp0_data_dri, dvp0_clk_dri);
+	*eof = 1;		/*Inform kernel end of data */
+	return len;
+}
+static int viafb_dvp0_proc_write(struct file *file,
+	const char __user *buffer, unsigned long count, void *data)
+{
+	char buf[20], *value, *pbuf;
+	u8 reg_val = 0;
+	unsigned long length, i;
+	if (count < 1)
+		return -EINVAL;
+	length = count > 20 ? 20 : count;
+	if (copy_from_user(&buf[0], buffer, length))
+		return -EFAULT;
+	buf[length - 1] = '\0';	/*Ensure end string */
+	pbuf = &buf[0];
+	for (i = 0; i < 3; i++) {
+		value = strsep(&pbuf, " ");
+		if (value != NULL) {
+			strict_strtoul(value, 0, (unsigned long *)&reg_val);
+			DEBUG_MSG(KERN_INFO "DVP0:reg_val[%l]=:%x\n", i,
+				  reg_val);
+			switch (i) {
+			case 0:
+				viafb_write_reg_mask(CR96, VIACR,
+					reg_val, 0x0f);
+				break;
+			case 1:
+				viafb_write_reg_mask(SR2A, VIASR,
+					reg_val << 4, BIT5);
+				viafb_write_reg_mask(SR1B, VIASR,
+					reg_val << 1, BIT1);
+				break;
+			case 2:
+				viafb_write_reg_mask(SR2A, VIASR,
+					reg_val << 3, BIT4);
+				viafb_write_reg_mask(SR1E, VIASR,
+					reg_val << 2, BIT2);
+				break;
+			default:
+				break;
+			}
+		} else {
+			break;
+		}
+	}
+	return count;
+}
+static int viafb_dvp1_proc_read(char *buf, char **start, off_t offset,
+	int count, int *eof, void *data)
+{
+	int len = 0;
+	u8 dvp1 = 0, dvp1_data_dri = 0, dvp1_clk_dri = 0;
+	dvp1 = viafb_read_reg(VIACR, CR9B) & 0x0f;
+	dvp1_data_dri = (viafb_read_reg(VIASR, SR65) & 0x0c) >> 2;
+	dvp1_clk_dri = viafb_read_reg(VIASR, SR65) & 0x03;
+	len +=
+	    sprintf(buf + len, "%x %x %x\n", dvp1, dvp1_data_dri, dvp1_clk_dri);
+	*eof = 1;		/*Inform kernel end of data */
+	return len;
+}
+static int viafb_dvp1_proc_write(struct file *file,
+	const char __user *buffer, unsigned long count, void *data)
+{
+	char buf[20], *value, *pbuf;
+	u8 reg_val = 0;
+	unsigned long length, i;
+	if (count < 1)
+		return -EINVAL;
+	length = count > 20 ? 20 : count;
+	if (copy_from_user(&buf[0], buffer, length))
+		return -EFAULT;
+	buf[length - 1] = '\0';	/*Ensure end string */
+	pbuf = &buf[0];
+	for (i = 0; i < 3; i++) {
+		value = strsep(&pbuf, " ");
+		if (value != NULL) {
+			strict_strtoul(value, 0, (unsigned long *)&reg_val);
+			switch (i) {
+			case 0:
+				viafb_write_reg_mask(CR9B, VIACR,
+					reg_val, 0x0f);
+				break;
+			case 1:
+				viafb_write_reg_mask(SR65, VIASR,
+					reg_val << 2, 0x0c);
+				break;
+			case 2:
+				viafb_write_reg_mask(SR65, VIASR,
+					reg_val, 0x03);
+				break;
+			default:
+				break;
+			}
+		} else {
+			break;
+		}
+	}
+	return count;
+}
+
+static int viafb_dfph_proc_read(char *buf, char **start, off_t offset,
+	int count, int *eof, void *data)
+{
+	int len = 0;
+	u8 dfp_high = 0;
+	dfp_high = viafb_read_reg(VIACR, CR97) & 0x0f;
+	len += sprintf(buf + len, "%x\n", dfp_high);
+	*eof = 1;		/*Inform kernel end of data */
+	return len;
+}
+static int viafb_dfph_proc_write(struct file *file,
+	const char __user *buffer, unsigned long count, void *data)
+{
+	char buf[20];
+	u8 reg_val = 0;
+	unsigned long length;
+	if (count < 1)
+		return -EINVAL;
+	length = count > 20 ? 20 : count;
+	if (copy_from_user(&buf[0], buffer, length))
+		return -EFAULT;
+	buf[length - 1] = '\0';	/*Ensure end string */
+	strict_strtoul(&buf[0], 0, (unsigned long *)&reg_val);
+	viafb_write_reg_mask(CR97, VIACR, reg_val, 0x0f);
+	return count;
+}
+static int viafb_dfpl_proc_read(char *buf, char **start, off_t offset,
+	int count, int *eof, void *data)
+{
+	int len = 0;
+	u8 dfp_low = 0;
+	dfp_low = viafb_read_reg(VIACR, CR99) & 0x0f;
+	len += sprintf(buf + len, "%x\n", dfp_low);
+	*eof = 1;		/*Inform kernel end of data */
+	return len;
+}
+static int viafb_dfpl_proc_write(struct file *file,
+	const char __user *buffer, unsigned long count, void *data)
+{
+	char buf[20];
+	u8 reg_val = 0;
+	unsigned long length;
+	if (count < 1)
+		return -EINVAL;
+	length = count > 20 ? 20 : count;
+	if (copy_from_user(&buf[0], buffer, length))
+		return -EFAULT;
+	buf[length - 1] = '\0';	/*Ensure end string */
+	strict_strtoul(&buf[0], 0, (unsigned long *)&reg_val);
+	viafb_write_reg_mask(CR99, VIACR, reg_val, 0x0f);
+	return count;
+}
+static int viafb_vt1636_proc_read(char *buf, char **start,
+	off_t offset, int count, int *eof, void *data)
+{
+	int len = 0;
+	u8 vt1636_08 = 0, vt1636_09 = 0;
+	switch (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) {
+	case VT1636_LVDS:
+		vt1636_08 =
+		    viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info,
+		    &viaparinfo->chip_info->lvds_chip_info, 0x08) & 0x0f;
+		vt1636_09 =
+		    viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info,
+		    &viaparinfo->chip_info->lvds_chip_info, 0x09) & 0x1f;
+		len += sprintf(buf + len, "%x %x\n", vt1636_08, vt1636_09);
+		break;
+	default:
+		break;
+	}
+	switch (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
+	case VT1636_LVDS:
+		vt1636_08 =
+		    viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info2,
+			&viaparinfo->chip_info->lvds_chip_info2, 0x08) & 0x0f;
+		vt1636_09 =
+		    viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info2,
+			&viaparinfo->chip_info->lvds_chip_info2, 0x09) & 0x1f;
+		len += sprintf(buf + len, " %x %x\n", vt1636_08, vt1636_09);
+		break;
+	default:
+		break;
+	}
+	*eof = 1;		/*Inform kernel end of data */
+	return len;
+}
+static int viafb_vt1636_proc_write(struct file *file,
+	const char __user *buffer, unsigned long count, void *data)
+{
+	char buf[30], *value, *pbuf;
+	struct IODATA reg_val;
+	unsigned long length, i;
+	if (count < 1)
+		return -EINVAL;
+	length = count > 30 ? 30 : count;
+	if (copy_from_user(&buf[0], buffer, length))
+		return -EFAULT;
+	buf[length - 1] = '\0';	/*Ensure end string */
+	pbuf = &buf[0];
+	switch (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) {
+	case VT1636_LVDS:
+		for (i = 0; i < 2; i++) {
+			value = strsep(&pbuf, " ");
+			if (value != NULL) {
+				strict_strtoul(value, 0,
+					(unsigned long *)&reg_val.Data);
+				switch (i) {
+				case 0:
+					reg_val.Index = 0x08;
+					reg_val.Mask = 0x0f;
+					viafb_gpio_i2c_write_mask_lvds
+					    (viaparinfo->lvds_setting_info,
+					    &viaparinfo->
+					    chip_info->lvds_chip_info,
+					     reg_val);
+					break;
+				case 1:
+					reg_val.Index = 0x09;
+					reg_val.Mask = 0x1f;
+					viafb_gpio_i2c_write_mask_lvds
+					    (viaparinfo->lvds_setting_info,
+					    &viaparinfo->
+					    chip_info->lvds_chip_info,
+					     reg_val);
+					break;
+				default:
+					break;
+				}
+			} else {
+				break;
+			}
+		}
+		break;
+	default:
+		break;
+	}
+	switch (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
+	case VT1636_LVDS:
+		for (i = 0; i < 2; i++) {
+			value = strsep(&pbuf, " ");
+			if (value != NULL) {
+				strict_strtoul(value, 0,
+					(unsigned long *)&reg_val.Data);
+				switch (i) {
+				case 0:
+					reg_val.Index = 0x08;
+					reg_val.Mask = 0x0f;
+					viafb_gpio_i2c_write_mask_lvds
+					    (viaparinfo->lvds_setting_info2,
+					    &viaparinfo->
+					    chip_info->lvds_chip_info2,
+					     reg_val);
+					break;
+				case 1:
+					reg_val.Index = 0x09;
+					reg_val.Mask = 0x1f;
+					viafb_gpio_i2c_write_mask_lvds
+					    (viaparinfo->lvds_setting_info2,
+					    &viaparinfo->
+					    chip_info->lvds_chip_info2,
+					     reg_val);
+					break;
+				default:
+					break;
+				}
+			} else {
+				break;
+			}
+		}
+		break;
+	default:
+		break;
+	}
+	return count;
+}
+
+static void viafb_init_proc(struct proc_dir_entry *viafb_entry)
+{
+	struct proc_dir_entry *entry;
+	viafb_entry = proc_mkdir("viafb", NULL);
+	if (viafb_entry) {
+		entry = create_proc_entry("dvp0", 0, viafb_entry);
+		if (entry) {
+			entry->owner = THIS_MODULE;
+			entry->read_proc = viafb_dvp0_proc_read;
+			entry->write_proc = viafb_dvp0_proc_write;
+		}
+		entry = create_proc_entry("dvp1", 0, viafb_entry);
+		if (entry) {
+			entry->owner = THIS_MODULE;
+			entry->read_proc = viafb_dvp1_proc_read;
+			entry->write_proc = viafb_dvp1_proc_write;
+		}
+		entry = create_proc_entry("dfph", 0, viafb_entry);
+		if (entry) {
+			entry->owner = THIS_MODULE;
+			entry->read_proc = viafb_dfph_proc_read;
+			entry->write_proc = viafb_dfph_proc_write;
+		}
+		entry = create_proc_entry("dfpl", 0, viafb_entry);
+		if (entry) {
+			entry->owner = THIS_MODULE;
+			entry->read_proc = viafb_dfpl_proc_read;
+			entry->write_proc = viafb_dfpl_proc_write;
+		}
+		if (VT1636_LVDS == viaparinfo->chip_info->lvds_chip_info.
+			lvds_chip_name || VT1636_LVDS ==
+		    viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
+			entry = create_proc_entry("vt1636", 0, viafb_entry);
+			if (entry) {
+				entry->owner = THIS_MODULE;
+				entry->read_proc = viafb_vt1636_proc_read;
+				entry->write_proc = viafb_vt1636_proc_write;
+			}
+		}
+
+	}
+}
+static void viafb_remove_proc(struct proc_dir_entry *viafb_entry)
+{
+	/* no problem if it was not registered */
+	remove_proc_entry("dvp0", viafb_entry);/* parent dir */
+	remove_proc_entry("dvp1", viafb_entry);
+	remove_proc_entry("dfph", viafb_entry);
+	remove_proc_entry("dfpl", viafb_entry);
+	remove_proc_entry("vt1636", viafb_entry);
+	remove_proc_entry("vt1625", viafb_entry);
+}
+
+static int __devinit via_pci_probe(void)
+{
+	unsigned int default_xres, default_yres;
+	char *tmpc, *tmpm;
+	char *tmpc_sec, *tmpm_sec;
+	int vmode_index;
+	u32 tmds_length, lvds_length, crt_length, chip_length, viafb_par_length;
+
+	DEBUG_MSG(KERN_INFO "VIAFB PCI Probe!!\n");
+
+	viafb_par_length = ALIGN(sizeof(struct viafb_par), BITS_PER_LONG/8);
+	tmds_length = ALIGN(sizeof(struct tmds_setting_information),
+		BITS_PER_LONG/8);
+	lvds_length = ALIGN(sizeof(struct lvds_setting_information),
+		BITS_PER_LONG/8);
+	crt_length = ALIGN(sizeof(struct lvds_setting_information),
+		BITS_PER_LONG/8);
+	chip_length = ALIGN(sizeof(struct chip_information), BITS_PER_LONG/8);
+
+	/* Allocate fb_info and ***_par here, also including some other needed
+	 * variables
+	*/
+	viafbinfo = framebuffer_alloc(viafb_par_length + 2 * lvds_length +
+	tmds_length + crt_length + chip_length, NULL);
+	if (!viafbinfo) {
+		printk(KERN_ERR"Could not allocate memory for viafb_info.\n");
+		return -ENODEV;
+	}
+
+	viaparinfo = (struct viafb_par *)viafbinfo->par;
+	viaparinfo->tmds_setting_info = (struct tmds_setting_information *)
+		((u32)viaparinfo + viafb_par_length);
+	viaparinfo->lvds_setting_info = (struct lvds_setting_information *)
+		((u32)viaparinfo->tmds_setting_info + tmds_length);
+	viaparinfo->lvds_setting_info2 = (struct lvds_setting_information *)
+		((u32)viaparinfo->lvds_setting_info + lvds_length);
+	viaparinfo->crt_setting_info = (struct crt_setting_information *)
+		((u32)viaparinfo->lvds_setting_info2 + lvds_length);
+	viaparinfo->chip_info = (struct chip_information *)
+		((u32)viaparinfo->crt_setting_info + crt_length);
+
+	if (viafb_dual_fb)
+		viafb_SAMM_ON = 1;
+	parse_active_dev();
+	parse_video_dev();
+	parse_lcd_port();
+	parse_dvi_port();
+
+	/* for dual-fb must viafb_SAMM_ON=1 and viafb_dual_fb=1 */
+	if (!viafb_SAMM_ON)
+		viafb_dual_fb = 0;
+
+	/* Set up I2C bus stuff */
+	viafb_create_i2c_bus(viaparinfo);
+
+	viafb_init_chip_info();
+	viafb_get_fb_info(&viaparinfo->fbmem, &viaparinfo->memsize);
+	viaparinfo->fbmem_free = viaparinfo->memsize;
+	viaparinfo->fbmem_used = 0;
+	viaparinfo->fbmem_virt = ioremap_nocache(viaparinfo->fbmem,
+		viaparinfo->memsize);
+	viafbinfo->screen_base = (char *)viaparinfo->fbmem_virt;
+
+	if (!viaparinfo->fbmem_virt) {
+		printk(KERN_INFO "ioremap failed\n");
+		return -1;
+	}
+
+	viafb_get_mmio_info(&viaparinfo->mmio_base, &viaparinfo->mmio_len);
+	viaparinfo->io_virt = ioremap_nocache(viaparinfo->mmio_base,
+		viaparinfo->mmio_len);
+
+	viafbinfo->node = 0;
+	viafbinfo->fbops = &viafb_ops;
+	viafbinfo->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN;
+
+	viafbinfo->pseudo_palette = pseudo_pal;
+	if (viafb_accel) {
+		viafb_init_accel();
+		viafb_init_2d_engine();
+		viafb_hw_cursor_init();
+	}
+
+	if (viafb_second_size && (viafb_second_size < 8)) {
+		viafb_second_offset = viaparinfo->fbmem_free -
+			viafb_second_size * 1024 * 1024;
+	} else {
+		viafb_second_size = 8;
+		viafb_second_offset = viaparinfo->fbmem_free -
+			viafb_second_size * 1024 * 1024;
+	}
+
+	viafb_FB_MM = viaparinfo->fbmem_virt;
+	tmpm = viafb_mode;
+	tmpc = strsep(&tmpm, "x");
+	strict_strtoul(tmpc, 0, (unsigned long *)&default_xres);
+	strict_strtoul(tmpm, 0, (unsigned long *)&default_yres);
+
+	vmode_index = viafb_get_mode_index(default_xres, default_yres, 0);
+	DEBUG_MSG(KERN_INFO "0->index=%d\n", vmode_index);
+
+	if (viafb_SAMM_ON == 1) {
+		if (strcmp(viafb_mode, viafb_mode1)) {
+			tmpm_sec = viafb_mode1;
+			tmpc_sec = strsep(&tmpm_sec, "x");
+			strict_strtoul(tmpc_sec, 0,
+				(unsigned long *)&viafb_second_xres);
+			strict_strtoul(tmpm_sec, 0,
+				(unsigned long *)&viafb_second_yres);
+		} else {
+			viafb_second_xres = default_xres;
+			viafb_second_yres = default_yres;
+		}
+		if (0 == viafb_second_virtual_xres) {
+			switch (viafb_second_xres) {
+			case 1400:
+				viafb_second_virtual_xres = 1408;
+				break;
+			default:
+				viafb_second_virtual_xres = viafb_second_xres;
+				break;
+			}
+		}
+		if (0 == viafb_second_virtual_yres)
+			viafb_second_virtual_yres = viafb_second_yres;
+	}
+
+	switch (viafb_bpp) {
+	case 0 ... 8:
+		viafb_bpp = 8;
+		break;
+	case 9 ... 16:
+		viafb_bpp = 16;
+		break;
+	case 17 ... 32:
+		viafb_bpp = 32;
+		break;
+	default:
+		viafb_bpp = 8;
+	}
+	default_var.xres = default_xres;
+	default_var.yres = default_yres;
+	switch (default_xres) {
+	case 1400:
+		default_var.xres_virtual = 1408;
+		break;
+	default:
+		default_var.xres_virtual = default_xres;
+		break;
+	}
+	default_var.yres_virtual = default_yres;
+	default_var.bits_per_pixel = viafb_bpp;
+	if (default_var.bits_per_pixel == 15)
+		default_var.bits_per_pixel = 16;
+	default_var.pixclock =
+	    viafb_get_pixclock(default_xres, default_yres, viafb_refresh);
+	default_var.left_margin = (default_xres >> 3) & 0xf8;
+	default_var.right_margin = 32;
+	default_var.upper_margin = 16;
+	default_var.lower_margin = 4;
+	default_var.hsync_len = default_var.left_margin;
+	default_var.vsync_len = 4;
+	default_var.accel_flags = 0;
+
+	if (viafb_accel) {
+		viafbinfo->flags |=
+		    (FBINFO_HWACCEL_COPYAREA | FBINFO_HWACCEL_FILLRECT |
+		     FBINFO_HWACCEL_IMAGEBLIT);
+		default_var.accel_flags |= FB_ACCELF_TEXT;
+	} else
+		viafbinfo->flags |= FBINFO_HWACCEL_DISABLED;
+
+	if (viafb_dual_fb) {
+		viafbinfo1 = framebuffer_alloc(viafb_par_length, NULL);
+		if (!viafbinfo1) {
+			printk(KERN_ERR
+			"allocate the second framebuffer struct error\n");
+			framebuffer_release(viafbinfo);
+			return -ENOMEM;
+		}
+		viaparinfo1 = viafbinfo1->par;
+		memcpy(viaparinfo1, viaparinfo, viafb_par_length);
+		viaparinfo1->memsize = viaparinfo->memsize -
+			viafb_second_offset;
+		viaparinfo->memsize = viafb_second_offset;
+		viaparinfo1->fbmem_virt = viaparinfo->fbmem_virt +
+			viafb_second_offset;
+		viaparinfo1->fbmem = viaparinfo->fbmem + viafb_second_offset;
+
+		viaparinfo1->fbmem_used = viaparinfo->fbmem_used;
+		viaparinfo1->fbmem_free = viaparinfo1->memsize -
+			viaparinfo1->fbmem_used;
+		viaparinfo->fbmem_free = viaparinfo->memsize;
+		viaparinfo->fbmem_used = 0;
+		if (viafb_accel) {
+			viaparinfo1->cursor_start =
+			    viaparinfo->cursor_start - viafb_second_offset;
+			viaparinfo1->VQ_start = viaparinfo->VQ_start -
+				viafb_second_offset;
+			viaparinfo1->VQ_end = viaparinfo->VQ_end -
+				viafb_second_offset;
+		}
+
+		memcpy(viafbinfo1, viafbinfo, sizeof(struct fb_info));
+		viafbinfo1->screen_base = viafbinfo->screen_base +
+			viafb_second_offset;
+		viafbinfo1->fix.smem_start = viaparinfo1->fbmem;
+		viafbinfo1->fix.smem_len = viaparinfo1->fbmem_free;
+
+		default_var.xres = viafb_second_xres;
+		default_var.yres = viafb_second_yres;
+		default_var.xres_virtual = viafb_second_virtual_xres;
+		default_var.yres_virtual = viafb_second_virtual_yres;
+		if (viafb_bpp1 != viafb_bpp)
+			viafb_bpp1 = viafb_bpp;
+		default_var.bits_per_pixel = viafb_bpp1;
+		default_var.pixclock =
+		    viafb_get_pixclock(viafb_second_xres, viafb_second_yres,
+		    viafb_refresh);
+		default_var.left_margin = (viafb_second_xres >> 3) & 0xf8;
+		default_var.right_margin = 32;
+		default_var.upper_margin = 16;
+		default_var.lower_margin = 4;
+		default_var.hsync_len = default_var.left_margin;
+		default_var.vsync_len = 4;
+
+		viafb_setup_fixinfo(&viafbinfo1->fix, viaparinfo1);
+		viafb_check_var(&default_var, viafbinfo1);
+		viafbinfo1->var = default_var;
+		viafb_update_viafb_par(viafbinfo);
+		viafb_update_fix(&viafbinfo1->fix, viafbinfo1);
+	}
+
+	viafb_setup_fixinfo(&viafbinfo->fix, viaparinfo);
+	viafb_check_var(&default_var, viafbinfo);
+	viafbinfo->var = default_var;
+	viafb_update_viafb_par(viafbinfo);
+	viafb_update_fix(&viafbinfo->fix, viafbinfo);
+	default_var.activate = FB_ACTIVATE_NOW;
+	fb_alloc_cmap(&viafbinfo->cmap, 256, 0);
+
+	if (viafb_dual_fb && (viafb_primary_dev == LCD_Device)
+	    && (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266)) {
+		if (register_framebuffer(viafbinfo1) < 0)
+			return -EINVAL;
+	}
+	if (register_framebuffer(viafbinfo) < 0)
+		return -EINVAL;
+
+	if (viafb_dual_fb && ((viafb_primary_dev != LCD_Device)
+			|| (viaparinfo->chip_info->gfx_chip_name !=
+			UNICHROME_CLE266))) {
+		if (register_framebuffer(viafbinfo1) < 0)
+			return -EINVAL;
+	}
+	DEBUG_MSG(KERN_INFO "fb%d: %s frame buffer device %dx%d-%dbpp\n",
+		  viafbinfo->node, viafbinfo->fix.id, default_var.xres,
+		  default_var.yres, default_var.bits_per_pixel);
+
+	viafb_init_proc(viaparinfo->proc_entry);
+	viafb_init_dac(IGA2);
+	return 0;
+}
+
+static void __devexit via_pci_remove(void)
+{
+	DEBUG_MSG(KERN_INFO "via_pci_remove!\n");
+	fb_dealloc_cmap(&viafbinfo->cmap);
+	unregister_framebuffer(viafbinfo);
+	if (viafb_dual_fb)
+		unregister_framebuffer(viafbinfo1);
+	iounmap((void *)viaparinfo->fbmem_virt);
+	iounmap(viaparinfo->io_virt);
+
+	viafb_delete_i2c_buss(viaparinfo);
+
+	framebuffer_release(viafbinfo);
+	if (viafb_dual_fb)
+		framebuffer_release(viafbinfo1);
+
+	viafb_remove_proc(viaparinfo->proc_entry);
+}
+
+#ifndef MODULE
+static int __init viafb_setup(char *options)
+{
+	char *this_opt;
+	DEBUG_MSG(KERN_INFO "viafb_setup!\n");
+
+	if (!options || !*options)
+		return 0;
+
+	while ((this_opt = strsep(&options, ",")) != NULL) {
+		if (!*this_opt)
+			continue;
+
+		if (!strncmp(this_opt, "viafb_mode1=", 12))
+			viafb_mode1 = kstrdup(this_opt + 12, GFP_KERNEL);
+		else if (!strncmp(this_opt, "viafb_mode=", 11))
+			viafb_mode = kstrdup(this_opt + 11, GFP_KERNEL);
+		else if (!strncmp(this_opt, "viafb_bpp1=", 11))
+			strict_strtoul(this_opt + 11, 0,
+				(unsigned long *)&viafb_bpp1);
+		else if (!strncmp(this_opt, "viafb_bpp=", 10))
+			strict_strtoul(this_opt + 10, 0,
+				(unsigned long *)&viafb_bpp);
+		else if (!strncmp(this_opt, "viafb_refresh1=", 15))
+			strict_strtoul(this_opt + 15, 0,
+				(unsigned long *)&viafb_refresh1);
+		else if (!strncmp(this_opt, "viafb_refresh=", 14))
+			strict_strtoul(this_opt + 14, 0,
+				(unsigned long *)&viafb_refresh);
+		else if (!strncmp(this_opt, "viafb_lcd_dsp_method=", 21))
+			strict_strtoul(this_opt + 21, 0,
+				(unsigned long *)&viafb_lcd_dsp_method);
+		else if (!strncmp(this_opt, "viafb_lcd_panel_id=", 19))
+			strict_strtoul(this_opt + 19, 0,
+				(unsigned long *)&viafb_lcd_panel_id);
+		else if (!strncmp(this_opt, "viafb_accel=", 12))
+			strict_strtoul(this_opt + 12, 0,
+				(unsigned long *)&viafb_accel);
+		else if (!strncmp(this_opt, "viafb_SAMM_ON=", 14))
+			strict_strtoul(this_opt + 14, 0,
+				(unsigned long *)&viafb_SAMM_ON);
+		else if (!strncmp(this_opt, "viafb_active_dev=", 17))
+			viafb_active_dev = kstrdup(this_opt + 17, GFP_KERNEL);
+		else if (!strncmp(this_opt,
+			"viafb_display_hardware_layout=", 30))
+			strict_strtoul(this_opt + 30, 0,
+			(unsigned long *)&viafb_display_hardware_layout);
+		else if (!strncmp(this_opt, "viafb_second_size=", 18))
+			strict_strtoul(this_opt + 18, 0,
+				(unsigned long *)&viafb_second_size);
+		else if (!strncmp(this_opt,
+			"viafb_platform_epia_dvi=", 24))
+			strict_strtoul(this_opt + 24, 0,
+				(unsigned long *)&viafb_platform_epia_dvi);
+		else if (!strncmp(this_opt,
+			"viafb_device_lcd_dualedge=", 26))
+			strict_strtoul(this_opt + 26, 0,
+				(unsigned long *)&viafb_device_lcd_dualedge);
+		else if (!strncmp(this_opt, "viafb_bus_width=", 16))
+			strict_strtoul(this_opt + 16, 0,
+				(unsigned long *)&viafb_bus_width);
+		else if (!strncmp(this_opt, "viafb_lcd_mode=", 15))
+			strict_strtoul(this_opt + 15, 0,
+				(unsigned long *)&viafb_lcd_mode);
+		else if (!strncmp(this_opt, "viafb_video_dev=", 16))
+			viafb_video_dev = kstrdup(this_opt + 16, GFP_KERNEL);
+		else if (!strncmp(this_opt, "viafb_lcd_port=", 15))
+			viafb_lcd_port = kstrdup(this_opt + 15, GFP_KERNEL);
+		else if (!strncmp(this_opt, "viafb_dvi_port=", 15))
+			viafb_dvi_port = kstrdup(this_opt + 15, GFP_KERNEL);
+	}
+	return 0;
+}
+#endif
+
+static int __init viafb_init(void)
+{
+#ifndef MODULE
+	char *option = NULL;
+	if (fb_get_options("viafb", &option))
+		return -ENODEV;
+	viafb_setup(option);
+#endif
+	printk(KERN_INFO
+       "VIA Graphics Intergration Chipset framebuffer %d.%d initializing\n",
+	       VERSION_MAJOR, VERSION_MINOR);
+	return via_pci_probe();
+}
+
+static void __exit viafb_exit(void)
+{
+	DEBUG_MSG(KERN_INFO "viafb_exit!\n");
+	via_pci_remove();
+}
+
+static struct fb_ops viafb_ops = {
+	.owner = THIS_MODULE,
+	.fb_open = viafb_open,
+	.fb_release = viafb_release,
+	.fb_check_var = viafb_check_var,
+	.fb_set_par = viafb_set_par,
+	.fb_setcolreg = viafb_setcolreg,
+	.fb_pan_display = viafb_pan_display,
+	.fb_blank = viafb_blank,
+	.fb_fillrect = viafb_fillrect,
+	.fb_copyarea = viafb_copyarea,
+	.fb_imageblit = viafb_imageblit,
+	.fb_cursor = viafb_cursor,
+	.fb_ioctl = viafb_ioctl,
+	.fb_sync = viafb_sync,
+	.fb_setcmap = viafb_setcmap,
+};
+
+module_init(viafb_init);
+module_exit(viafb_exit);
+
+#ifdef MODULE
+module_param(viafb_memsize, int, 0);
+
+module_param(viafb_mode, charp, 0);
+MODULE_PARM_DESC(viafb_mode, "Set resolution (default=640x480)");
+
+module_param(viafb_mode1, charp, 0);
+MODULE_PARM_DESC(viafb_mode1, "Set resolution (default=640x480)");
+
+module_param(viafb_bpp, int, 0);
+MODULE_PARM_DESC(viafb_bpp, "Set color depth (default=32bpp)");
+
+module_param(viafb_bpp1, int, 0);
+MODULE_PARM_DESC(viafb_bpp1, "Set color depth (default=32bpp)");
+
+module_param(viafb_refresh, int, 0);
+MODULE_PARM_DESC(viafb_refresh,
+	"Set CRT viafb_refresh rate (default = 60)");
+
+module_param(viafb_refresh1, int, 0);
+MODULE_PARM_DESC(viafb_refresh1,
+	"Set CRT refresh rate (default = 60)");
+
+module_param(viafb_lcd_panel_id, int, 0);
+MODULE_PARM_DESC(viafb_lcd_panel_id,
+	"Set Flat Panel type(Default=1024x768)");
+
+module_param(viafb_lcd_dsp_method, int, 0);
+MODULE_PARM_DESC(viafb_lcd_dsp_method,
+	"Set Flat Panel display scaling method.(Default=Expandsion)");
+
+module_param(viafb_SAMM_ON, int, 0);
+MODULE_PARM_DESC(viafb_SAMM_ON,
+	"Turn on/off flag of SAMM(Default=OFF)");
+
+module_param(viafb_accel, int, 0);
+MODULE_PARM_DESC(viafb_accel,
+	"Set 2D Hardware Acceleration.(Default = OFF)");
+
+module_param(viafb_active_dev, charp, 0);
+MODULE_PARM_DESC(viafb_active_dev, "Specify active devices.");
+
+module_param(viafb_display_hardware_layout, int, 0);
+MODULE_PARM_DESC(viafb_display_hardware_layout,
+	"Display Hardware Layout (LCD Only, DVI Only...,etc)");
+
+module_param(viafb_second_size, int, 0);
+MODULE_PARM_DESC(viafb_second_size,
+	"Set secondary device memory size");
+
+module_param(viafb_dual_fb, int, 0);
+MODULE_PARM_DESC(viafb_dual_fb,
+	"Turn on/off flag of dual framebuffer devices.(Default = OFF)");
+
+module_param(viafb_platform_epia_dvi, int, 0);
+MODULE_PARM_DESC(viafb_platform_epia_dvi,
+	"Turn on/off flag of DVI devices on EPIA board.(Default = OFF)");
+
+module_param(viafb_device_lcd_dualedge, int, 0);
+MODULE_PARM_DESC(viafb_device_lcd_dualedge,
+	"Turn on/off flag of dual edge panel.(Default = OFF)");
+
+module_param(viafb_bus_width, int, 0);
+MODULE_PARM_DESC(viafb_bus_width,
+	"Set bus width of panel.(Default = 12)");
+
+module_param(viafb_lcd_mode, int, 0);
+MODULE_PARM_DESC(viafb_lcd_mode,
+	"Set Flat Panel mode(Default=OPENLDI)");
+
+module_param(viafb_video_dev, charp, 0);
+MODULE_PARM_DESC(viafb_video_dev, "Specify video devices.");
+
+module_param(viafb_lcd_port, charp, 0);
+MODULE_PARM_DESC(viafb_lcd_port, "Specify LCD output port.");
+
+module_param(viafb_dvi_port, charp, 0);
+MODULE_PARM_DESC(viafb_dvi_port, "Specify DVI output port.");
+
+MODULE_LICENSE("GPL");
+#endif

drivers/video/via/viafbdev.h

+/*
+ * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved.
+ * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved.
+
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public
+ * License as published by the Free Software Foundation;
+ * either version 2, or (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even
+ * the implied warranty of MERCHANTABILITY or FITNESS FOR
+ * A PARTICULAR PURPOSE.See the GNU General Public License
+ * for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc.,
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#ifndef __VIAFBDEV_H__
+#define __VIAFBDEV_H__
+
+#include <linux/proc_fs.h>
+#include <linux/fb.h>
+
+#include "ioctl.h"
+#include "share.h"
+#include "chip.h"
+#include "hw.h"
+#include "via_i2c.h"
+
+#define VERSION_MAJOR       2
+#define VERSION_KERNEL      6	/* For kernel 2.6 */
+
+#define VERSION_OS          0	/* 0: for 32 bits OS, 1: for 64 bits OS */
+#define VERSION_MINOR       4
+
+struct viafb_par {
+	int bpp;
+	int hres;
+	int vres;
+	int linelength;
+	u32 xoffset;
+	u32 yoffset;
+
+	void __iomem *fbmem_virt;	/*framebuffer virtual memory address */
+	void __iomem *io_virt;	/*iospace virtual memory address */
+	unsigned int fbmem;	/*framebuffer physical memory address */
+	unsigned int memsize;	/*size of fbmem */
+	unsigned int io;	/*io space address */
+	unsigned long mmio_base;	/*mmio base address */
+	unsigned long mmio_len;	/*mmio base length */
+	u32 fbmem_free;		/* Free FB memory */
+	u32 fbmem_used;		/* Use FB memory size */
+	u32 cursor_start;	/* Cursor Start Address */
+	u32 VQ_start;		/* Virtual Queue Start Address */
+	u32 VQ_end;		/* Virtual Queue End Address */
+	u32 iga_path;
+	struct proc_dir_entry *proc_entry;	/*viafb proc entry */
+	u8 duoview;		/*Is working in duoview mode? */
+
+	/* I2C stuff */
+	struct via_i2c_stuff i2c_stuff;
+
+	/* All the information will be needed to set engine */
+	struct tmds_setting_information *tmds_setting_info;
+	struct crt_setting_information *crt_setting_info;
+	struct lvds_setting_information *lvds_setting_info;
+	struct lvds_setting_information *lvds_setting_info2;
+	struct chip_information *chip_info;
+
+	/* some information related to video playing */
+	int video_on_crt;
+	int video_on_dvi;
+	int video_on_lcd;
+
+};
+struct viafb_modeinfo {
+	u32 xres;
+	u32 yres;
+	int mode_index;
+	char *mode_res;
+};
+extern unsigned int viafb_second_virtual_yres;
+extern unsigned int viafb_second_virtual_xres;
+extern unsigned int viafb_second_offset;
+extern int viafb_second_size;
+extern int viafb_SAMM_ON;
+extern int viafb_dual_fb;
+extern int viafb_LCD2_ON;
+extern int viafb_LCD_ON;
+extern int viafb_DVI_ON;
+extern int viafb_accel;
+extern int viafb_hotplug;
+extern int viafb_memsize;
+
+extern int strict_strtoul(const char *cp, unsigned int base,
+	unsigned long *res);
+
+void viafb_memory_pitch_patch(struct fb_info *info);
+void viafb_fill_var_timing_info(struct fb_var_screeninfo *var, int refresh,
+			  int mode_index);
+int viafb_get_mode_index(int hres, int vres, int flag);
+u8 viafb_gpio_i2c_read_lvds(struct lvds_setting_information
+	*plvds_setting_info, struct lvds_chip_information
+	*plvds_chip_info, u8 index);
+void viafb_gpio_i2c_write_mask_lvds(struct lvds_setting_information
+			      *plvds_setting_info, struct lvds_chip_information
+			      *plvds_chip_info, struct IODATA io_data);
+#endif /* __VIAFBDEV_H__ */