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>

2 files changed, 2679 insertions, 0 deletions

diff --git a/drivers/video/via/viafbdev.c b/drivers/video/via/viafbdev.c
new file mode 100644
index 00000000000..ba8ce61140c
--- /dev/null
+++ b/drivers/video/via/viafbdev.c
@@ -0,0 +1,2567 @@
+/*
+ * 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 i