diff --git a/drivers/video/w100fb.c b/drivers/video/w100fb.c
index adcda697ea60..0030c071da8f 100644
--- a/drivers/video/w100fb.c
+++ b/drivers/video/w100fb.c
@@ -5,9 +5,15 @@
  *
  * Copyright (C) 2002, ATI Corp.
  * Copyright (C) 2004-2005 Richard Purdie
+ * Copyright (c) 2005 Ian Molton
  *
  * Rewritten for 2.6 by Richard Purdie <rpurdie@rpsys.net>
  *
+ * Generic platform support by Ian Molton <spyro@f2s.com>
+ * and Richard Purdie <rpurdie@rpsys.net>
+ *
+ * w32xx support by Ian Molton
+ *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
@@ -21,7 +27,7 @@
 #include <linux/mm.h>
 #include <linux/device.h>
 #include <linux/string.h>
-#include <linux/proc_fs.h>
+#include <linux/vmalloc.h>
 #include <asm/io.h>
 #include <asm/uaccess.h>
 #include <video/w100fb.h>
@@ -30,114 +36,78 @@
 /*
  * Prototypes
  */
-static void w100fb_save_buffer(void);
-static void w100fb_clear_buffer(void);
-static void w100fb_restore_buffer(void);
-static void w100fb_clear_screen(u32 mode, long int offset);
-static void w100_resume(void);
 static void w100_suspend(u32 mode);
-static void w100_init_qvga_rotation(u16 deg);
-static void w100_init_vga_rotation(u16 deg);
 static void w100_vsync(void);
-static void w100_init_sharp_lcd(u32 mode);
-static void w100_pwm_setup(void);
-static void w100_InitExtMem(u32 mode);
-static void w100_hw_init(void);
-static u16 w100_set_fastsysclk(u16 Freq);
-
-static void lcdtg_hw_init(u32 mode);
-static void lcdtg_lcd_change(u32 mode);
-static void lcdtg_resume(void);
-static void lcdtg_suspend(void);
-
-
-/* Register offsets & lengths */
-#define REMAPPED_FB_LEN   0x15ffff
-
-#define BITS_PER_PIXEL    16
+static void w100_hw_init(struct w100fb_par*);
+static void w100_pwm_setup(struct w100fb_par*);
+static void w100_init_clocks(struct w100fb_par*);
+static void w100_setup_memory(struct w100fb_par*);
+static void w100_init_lcd(struct w100fb_par*);
+static void w100_set_dispregs(struct w100fb_par*);
+static void w100_update_enable(void);
+static void w100_update_disable(void);
+static void calc_hsync(struct w100fb_par *par);
+struct w100_pll_info *w100_get_xtal_table(unsigned int freq);
 
 /* Pseudo palette size */
 #define MAX_PALETTES      16
 
-/* for resolution change */
-#define LCD_MODE_INIT (-1)
-#define LCD_MODE_480    0
-#define LCD_MODE_320    1
-#define LCD_MODE_240    2
-#define LCD_MODE_640    3
-
-#define LCD_SHARP_QVGA 0
-#define LCD_SHARP_VGA  1
-
-#define LCD_MODE_PORTRAIT	0
-#define LCD_MODE_LANDSCAPE	1
-
 #define W100_SUSPEND_EXTMEM 0
 #define W100_SUSPEND_ALL    1
 
-/* General frame buffer data structures */
-struct w100fb_par {
-	u32 xres;
-	u32 yres;
-	int fastsysclk_mode;
-	int lcdMode;
-	int rotation_flag;
-	int blanking_flag;
-	int comadj;
-	int phadadj;
-};
-
-static struct w100fb_par *current_par;
+#define BITS_PER_PIXEL    16
 
 /* Remapped addresses for base cfg, memmapped regs and the frame buffer itself */
 static void *remapped_base;
 static void *remapped_regs;
 static void *remapped_fbuf;
 
-/* External Function */
-static void(*w100fb_ssp_send)(u8 adrs, u8 data);
+#define REMAPPED_FB_LEN   0x15ffff
+
+/* This is the offset in the w100's address space we map the current
+   framebuffer memory to. We use the position of external memory as
+   we can remap internal memory to there if external isn't present. */
+#define W100_FB_BASE MEM_EXT_BASE_VALUE
+
 
 /*
  * Sysfs functions
  */
-
-static ssize_t rotation_show(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t flip_show(struct device *dev, struct device_attribute *attr, char *buf)
 {
 	struct fb_info *info = dev_get_drvdata(dev);
 	struct w100fb_par *par=info->par;
 
-	return sprintf(buf, "%d\n",par->rotation_flag);
+	return sprintf(buf, "%d\n",par->flip);
 }
 
-static ssize_t rotation_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+static ssize_t flip_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
 {
-	unsigned int rotate;
+	unsigned int flip;
 	struct fb_info *info = dev_get_drvdata(dev);
 	struct w100fb_par *par=info->par;
 
-	rotate = simple_strtoul(buf, NULL, 10);
+	flip = simple_strtoul(buf, NULL, 10);
 
-	if (rotate > 0) par->rotation_flag = 1;
-	else par->rotation_flag = 0;
+	if (flip > 0)
+		par->flip = 1;
+	else
+		par->flip = 0;
 
-	if (par->lcdMode == LCD_MODE_320)
-		w100_init_qvga_rotation(par->rotation_flag ? 270 : 90);
-	else if (par->lcdMode == LCD_MODE_240)
-		w100_init_qvga_rotation(par->rotation_flag ? 180 : 0);
-	else if (par->lcdMode == LCD_MODE_640)
-		w100_init_vga_rotation(par->rotation_flag ? 270 : 90);
-	else if (par->lcdMode == LCD_MODE_480)
-		w100_init_vga_rotation(par->rotation_flag ? 180 : 0);
+	w100_update_disable();
+	w100_set_dispregs(par);
+	w100_update_enable();
+
+	calc_hsync(par);
 
 	return count;
 }
 
-static DEVICE_ATTR(rotation, 0644, rotation_show, rotation_store);
+static DEVICE_ATTR(flip, 0644, flip_show, flip_store);
 
 static ssize_t w100fb_reg_read(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
 {
-	unsigned long param;
-	unsigned long regs;
+	unsigned long regs, param;
 	regs = simple_strtoul(buf, NULL, 16);
 	param = readl(remapped_regs + regs);
 	printk("Read Register 0x%08lX: 0x%08lX\n", regs, param);
@@ -148,8 +118,7 @@ static DEVICE_ATTR(reg_read, 0200, NULL, w100fb_reg_read);
 
 static ssize_t w100fb_reg_write(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
 {
-	unsigned long regs;
-	unsigned long param;
+	unsigned long regs, param;
 	sscanf(buf, "%lx %lx", &regs, &param);
 
 	if (regs <= 0x2000) {
@@ -163,54 +132,56 @@ static ssize_t w100fb_reg_write(struct device *dev, struct device_attribute *att
 static DEVICE_ATTR(reg_write, 0200, NULL, w100fb_reg_write);
 
 
-static ssize_t fastsysclk_show(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t fastpllclk_show(struct device *dev, struct device_attribute *attr, char *buf)
 {
 	struct fb_info *info = dev_get_drvdata(dev);
 	struct w100fb_par *par=info->par;
 
-	return sprintf(buf, "%d\n",par->fastsysclk_mode);
+	return sprintf(buf, "%d\n",par->fastpll_mode);
 }
 
-static ssize_t fastsysclk_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+static ssize_t fastpllclk_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
 {
-	int param;
 	struct fb_info *info = dev_get_drvdata(dev);
 	struct w100fb_par *par=info->par;
 
-	param = simple_strtoul(buf, NULL, 10);
-
-	if (param == 75) {
-		printk("Set fastsysclk %d\n", param);
-		par->fastsysclk_mode = param;
-		w100_set_fastsysclk(par->fastsysclk_mode);
-	} else if (param == 100) {
-		printk("Set fastsysclk %d\n", param);
-		par->fastsysclk_mode = param;
-		w100_set_fastsysclk(par->fastsysclk_mode);
+	if (simple_strtoul(buf, NULL, 10) > 0) {
+		par->fastpll_mode=1;
+		printk("w100fb: Using fast system clock (if possible)\n");
+	} else {
+		par->fastpll_mode=0;
+		printk("w100fb: Using normal system clock\n");
 	}
+
+	w100_init_clocks(par);
+	calc_hsync(par);
+
 	return count;
 }
 
-static DEVICE_ATTR(fastsysclk, 0644, fastsysclk_show, fastsysclk_store);
+static DEVICE_ATTR(fastpllclk, 0644, fastpllclk_show, fastpllclk_store);
 
 /*
- * The touchscreen on this device needs certain information
- * from the video driver to function correctly. We export it here.
+ * Some touchscreens need hsync information from the video driver to
+ * function correctly. We export it here.
  */
-int w100fb_get_xres(void) {
-	return current_par->xres;
-}
+unsigned long w100fb_get_hsynclen(struct device *dev)
+{
+	struct fb_info *info = dev_get_drvdata(dev);
+	struct w100fb_par *par=info->par;
 
-int w100fb_get_blanking(void) {
-	return current_par->blanking_flag;
+	/* If display is blanked/suspended, hsync isn't active */
+	if (par->blanked)
+		return 0;
+	else
+		return par->hsync_len;
 }
+EXPORT_SYMBOL(w100fb_get_hsynclen);
 
-int w100fb_get_fastsysclk(void) {
-	return current_par->fastsysclk_mode;
+static void w100fb_clear_screen(struct w100fb_par *par)
+{
+	memset_io(remapped_fbuf + (W100_FB_BASE-MEM_WINDOW_BASE), 0, (par->xres * par->yres * BITS_PER_PIXEL/8));
 }
-EXPORT_SYMBOL(w100fb_get_xres);
-EXPORT_SYMBOL(w100fb_get_blanking);
-EXPORT_SYMBOL(w100fb_get_fastsysclk);
 
 
 /*
@@ -234,7 +205,6 @@ static int w100fb_setcolreg(u_int regno, u_int red, u_int green, u_int blue,
 	 * according to the RGB bitfield information.
 	 */
 	if (regno < MAX_PALETTES) {
-
 		u32 *pal = info->pseudo_palette;
 
 		val = (red & 0xf800) | ((green & 0xfc00) >> 5) | ((blue & 0xf800) >> 11);
@@ -250,115 +220,90 @@ static int w100fb_setcolreg(u_int regno, u_int red, u_int green, u_int blue,
  */
 static int w100fb_blank(int blank_mode, struct fb_info *info)
 {
-	struct w100fb_par *par;
-	par=info->par;
+	struct w100fb_par *par = info->par;
+	struct w100_tg_info *tg = par->mach->tg;
 
 	switch(blank_mode) {
 
- 	case FB_BLANK_NORMAL: /* Normal blanking */
-	case FB_BLANK_VSYNC_SUSPEND: /* VESA blank (vsync off) */
-	case FB_BLANK_HSYNC_SUSPEND: /* VESA blank (hsync off) */
- 	case FB_BLANK_POWERDOWN: /* Poweroff */
-  		if (par->blanking_flag == 0) {
-			w100fb_save_buffer();
-			lcdtg_suspend();
-			par->blanking_flag = 1;
+ 	case FB_BLANK_NORMAL:         /* Normal blanking */
+	case FB_BLANK_VSYNC_SUSPEND:  /* VESA blank (vsync off) */
+	case FB_BLANK_HSYNC_SUSPEND:  /* VESA blank (hsync off) */
+ 	case FB_BLANK_POWERDOWN:      /* Poweroff */
+  		if (par->blanked == 0) {
+			if(tg && tg->suspend)
+				tg->suspend(par);
+			par->blanked = 1;
   		}
   		break;
 
  	case FB_BLANK_UNBLANK: /* Unblanking */
-  		if (par->blanking_flag != 0) {
-			w100fb_restore_buffer();
-			lcdtg_resume();
-			par->blanking_flag = 0;
+  		if (par->blanked != 0) {
+			if(tg && tg->resume)
+				tg->resume(par);
+			par->blanked = 0;
   		}
   		break;
  	}
 	return 0;
 }
 
+
 /*
  *  Change the resolution by calling the appropriate hardware functions
  */
-static void w100fb_changeres(int rotate_mode, u32 mode)
+static void w100fb_activate_var(struct w100fb_par *par)
 {
-	u16 rotation=0;
+	struct w100_tg_info *tg = par->mach->tg;
 
-	switch(rotate_mode) {
-	case LCD_MODE_LANDSCAPE:
-		rotation=(current_par->rotation_flag ? 270 : 90);
-		break;
-	case LCD_MODE_PORTRAIT:
-		rotation=(current_par->rotation_flag ? 180 : 0);
-		break;
-	}
+	w100_pwm_setup(par);
+	w100_setup_memory(par);
+	w100_init_clocks(par);
+	w100fb_clear_screen(par);
+	w100_vsync();
 
-	w100_pwm_setup();
-	switch(mode) {
-	case LCD_SHARP_QVGA:
-		w100_vsync();
-		w100_suspend(W100_SUSPEND_EXTMEM);
-		w100_init_sharp_lcd(LCD_SHARP_QVGA);
-		w100_init_qvga_rotation(rotation);
-		w100_InitExtMem(LCD_SHARP_QVGA);
-		w100fb_clear_screen(LCD_SHARP_QVGA, 0);
-		lcdtg_lcd_change(LCD_SHARP_QVGA);
-		break;
-	case LCD_SHARP_VGA:
-		w100fb_clear_screen(LCD_SHARP_QVGA, 0);
-		writel(0xBFFFA000, remapped_regs + mmMC_EXT_MEM_LOCATION);
-		w100_InitExtMem(LCD_SHARP_VGA);
-		w100fb_clear_screen(LCD_SHARP_VGA, 0x200000);
-		w100_vsync();
-		w100_init_sharp_lcd(LCD_SHARP_VGA);
-		if (rotation != 0)
-			w100_init_vga_rotation(rotation);
-		lcdtg_lcd_change(LCD_SHARP_VGA);
-		break;
-	}
+	w100_update_disable();
+	w100_init_lcd(par);
+	w100_set_dispregs(par);
+	w100_update_enable();
+
+	calc_hsync(par);
+
+	if (!par->blanked && tg && tg->change)
+		tg->change(par);
 }
 
-/*
- * Set up the display for the fb subsystem
+
+/* Select the smallest mode that allows the desired resolution to be
+ * displayed. If desired, the x and y parameters can be rounded up to
+ * match the selected mode.
  */
-static void w100fb_activate_var(struct fb_info *info)
+static struct w100_mode *w100fb_get_mode(struct w100fb_par *par, unsigned int *x, unsigned int *y, int saveval)
 {
-	u32 temp32;
-	struct w100fb_par *par=info->par;
-	struct fb_var_screeninfo *var = &info->var;
+	struct w100_mode *mode = NULL;
+	struct w100_mode *modelist = par->mach->modelist;
+	unsigned int best_x = 0xffffffff, best_y = 0xffffffff;
+	unsigned int i;
 
-	/* Set the hardware to 565 */
-	temp32 = readl(remapped_regs + mmDISP_DEBUG2);
-	temp32 &= 0xff7fffff;
-	temp32 |= 0x00800000;
-	writel(temp32, remapped_regs + mmDISP_DEBUG2);
+	for (i = 0 ; i < par->mach->num_modes ; i++) {
+		if (modelist[i].xres >= *x && modelist[i].yres >= *y &&
+				modelist[i].xres < best_x && modelist[i].yres < best_y) {
+			best_x = modelist[i].xres;
+			best_y = modelist[i].yres;
+			mode = &modelist[i];
+		} else if(modelist[i].xres >= *y && modelist[i].yres >= *x &&
+		        modelist[i].xres < best_y && modelist[i].yres < best_x) {
+			best_x = modelist[i].yres;
+			best_y = modelist[i].xres;
+			mode = &modelist[i];
+		}
+	}
 
-	if (par->lcdMode == LCD_MODE_INIT) {
-		w100_init_sharp_lcd(LCD_SHARP_VGA);
-		w100_init_vga_rotation(par->rotation_flag ? 270 : 90);
-		par->lcdMode = LCD_MODE_640;
-		lcdtg_hw_init(LCD_SHARP_VGA);
-	} else if (var->xres == 320 && var->yres == 240) {
-		if (par->lcdMode != LCD_MODE_320) {
-			w100fb_changeres(LCD_MODE_LANDSCAPE, LCD_SHARP_QVGA);
-			par->lcdMode = LCD_MODE_320;
-		}
-	} else if (var->xres == 240 && var->yres == 320) {
-		if (par->lcdMode != LCD_MODE_240) {
-			w100fb_changeres(LCD_MODE_PORTRAIT, LCD_SHARP_QVGA);
-			par->lcdMode = LCD_MODE_240;
-		}
-	} else if (var->xres == 640 && var->yres == 480) {
-		if (par->lcdMode != LCD_MODE_640) {
-			w100fb_changeres(LCD_MODE_LANDSCAPE, LCD_SHARP_VGA);
-			par->lcdMode = LCD_MODE_640;
-		}
-	} else if (var->xres == 480 && var->yres == 640) {
-		if (par->lcdMode != LCD_MODE_480) {
-			w100fb_changeres(LCD_MODE_PORTRAIT, LCD_SHARP_VGA);
-			par->lcdMode = LCD_MODE_480;
-		}
-	} else printk(KERN_ERR "W100FB: Resolution error!\n");
+	if (mode && saveval) {
+		*x = best_x;
+		*y = best_y;
+	}
+
+	return mode;
 }
 
 
@@ -366,31 +311,19 @@ static void w100fb_activate_var(struct fb_info *info)
  *  w100fb_check_var():
  *  Get the video params out of 'var'. If a value doesn't fit, round it up,
  *  if it's too big, return -EINVAL.
- *
  */
 static int w100fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
 {
-	if (var->xres < var->yres) { /* Portrait mode */
-		if ((var->xres > 480) || (var->yres > 640)) {
-			return -EINVAL;
-		} else if ((var->xres > 240) || (var->yres > 320)) {
-			var->xres = 480;
-			var->yres = 640;
-		} else {
-			var->xres = 240;
-			var->yres = 320;
-		}
-	} else { /* Landscape mode */
-		if ((var->xres > 640) || (var->yres > 480)) {
-			return -EINVAL;
-		} else if ((var->xres > 320) || (var->yres > 240)) {
-			var->xres = 640;
-			var->yres = 480;
-		} else {
-			var->xres = 320;
-			var->yres = 240;
-		}
-	}
+	struct w100fb_par *par=info->par;
+
+	if(!w100fb_get_mode(par, &var->xres, &var->yres, 1))
+		return -EINVAL;
+
+	if (par->mach->mem && ((var->xres*var->yres*BITS_PER_PIXEL/8) > (par->mach->mem->size+1)))
+		return -EINVAL;
+
+	if (!par->mach->mem && ((var->xres*var->yres*BITS_PER_PIXEL/8) > (MEM_INT_SIZE+1)))
+		return -EINVAL;
 
 	var->xres_virtual = max(var->xres_virtual, var->xres);
 	var->yres_virtual = max(var->yres_virtual, var->yres);
@@ -409,13 +342,11 @@ static int w100fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
 	var->transp.offset = var->transp.length = 0;
 
 	var->nonstd = 0;
-
 	var->height = -1;
 	var->width = -1;
 	var->vmode = FB_VMODE_NONINTERLACED;
-
 	var->sync = 0;
-	var->pixclock = 0x04;	/* 171521; */
+	var->pixclock = 0x04;  /* 171521; */
 
 	return 0;
 }
@@ -430,274 +361,286 @@ static int w100fb_set_par(struct fb_info *info)
 {
 	struct w100fb_par *par=info->par;
 
-	par->xres = info->var.xres;
-	par->yres = info->var.yres;
+	if (par->xres != info->var.xres || par->yres != info->var.yres)	{
+		par->xres = info->var.xres;
+		par->yres = info->var.yres;
+		par->mode = w100fb_get_mode(par, &par->xres, &par->yres, 0);
 
-	info->fix.visual = FB_VISUAL_TRUECOLOR;
+		info->fix.visual = FB_VISUAL_TRUECOLOR;
+		info->fix.ypanstep = 0;
+		info->fix.ywrapstep = 0;
+		info->fix.line_length = par->xres * BITS_PER_PIXEL / 8;
 
-	info->fix.ypanstep = 0;
-	info->fix.ywrapstep = 0;
+		if ((par->xres*par->yres*BITS_PER_PIXEL/8) > (MEM_INT_SIZE+1)) {
+			par->extmem_active = 1;
+			info->fix.smem_len = par->mach->mem->size+1;
+		} else {
+			par->extmem_active = 0;
+			info->fix.smem_len = MEM_INT_SIZE+1;
+		}
 
-	if (par->blanking_flag)
-		w100fb_clear_buffer();
-
-	w100fb_activate_var(info);
-
-	if (par->lcdMode == LCD_MODE_480) {
-		info->fix.line_length = (480 * BITS_PER_PIXEL) / 8;
-		info->fix.smem_len = 0x200000;
-	} else if (par->lcdMode == LCD_MODE_320) {
-		info->fix.line_length = (320 * BITS_PER_PIXEL) / 8;
-		info->fix.smem_len = 0x60000;
-	} else if (par->lcdMode == LCD_MODE_240) {
-		info->fix.line_length = (240 * BITS_PER_PIXEL) / 8;
-		info->fix.smem_len = 0x60000;
-	} else if (par->lcdMode == LCD_MODE_INIT || par->lcdMode == LCD_MODE_640) {
-		info->fix.line_length = (640 * BITS_PER_PIXEL) / 8;
-		info->fix.smem_len = 0x200000;
+		w100fb_activate_var(par);
 	}
-
 	return 0;
 }
 
 
 /*
- *      Frame buffer operations
+ *  Frame buffer operations
  */
 static struct fb_ops w100fb_ops = {
-	.owner = THIS_MODULE,
+	.owner        = THIS_MODULE,
 	.fb_check_var = w100fb_check_var,
-	.fb_set_par = w100fb_set_par,
+	.fb_set_par   = w100fb_set_par,
 	.fb_setcolreg = w100fb_setcolreg,
-	.fb_blank = w100fb_blank,
-	.fb_fillrect = cfb_fillrect,
-	.fb_copyarea = cfb_copyarea,
+	.fb_blank     = w100fb_blank,
+	.fb_fillrect  = cfb_fillrect,
+	.fb_copyarea  = cfb_copyarea,
 	.fb_imageblit = cfb_imageblit,
-	.fb_cursor = soft_cursor,
+	.fb_cursor    = soft_cursor,
 };
 
-
-static void w100fb_clear_screen(u32 mode, long int offset)
-{
-	int i, numPix = 0;
-
-	if (mode == LCD_SHARP_VGA)
-		numPix = 640 * 480;
-	else if (mode == LCD_SHARP_QVGA)
-		numPix = 320 * 240;
-
-	for (i = 0; i < numPix; i++)
-		writew(0xffff, remapped_fbuf + offset + (2*i));
-}
-
-
-/* Need to split up the buffers to stay within the limits of kmalloc */
-#define W100_BUF_NUM	6
-static uint32_t *gSaveImagePtr[W100_BUF_NUM] = { NULL };
-
-static void w100fb_save_buffer(void)
-{
-	int i, j, bufsize;
-
-	bufsize=(current_par->xres * current_par->yres * BITS_PER_PIXEL / 8) / W100_BUF_NUM;
-	for (i = 0; i < W100_BUF_NUM; i++) {
-		if (gSaveImagePtr[i] == NULL)
-			gSaveImagePtr[i] = kmalloc(bufsize, GFP_KERNEL);
-		if (gSaveImagePtr[i] == NULL) {
-			w100fb_clear_buffer();
-			printk(KERN_WARNING "can't alloc pre-off image buffer %d\n", i);
-			break;
-		}
-		for (j = 0; j < bufsize/4; j++)
-			*(gSaveImagePtr[i] + j) = readl(remapped_fbuf + (bufsize*i) + j*4);
-	}
-}
-
-
-static void w100fb_restore_buffer(void)
-{
-	int i, j, bufsize;
-
-	bufsize=(current_par->xres * current_par->yres * BITS_PER_PIXEL / 8) / W100_BUF_NUM;
-	for (i = 0; i < W100_BUF_NUM; i++) {
-		if (gSaveImagePtr[i] == NULL) {
-			printk(KERN_WARNING "can't find pre-off image buffer %d\n", i);
-			w100fb_clear_buffer();
-			break;
-		}
-		for (j = 0; j < (bufsize/4); j++)
-			writel(*(gSaveImagePtr[i] + j),remapped_fbuf + (bufsize*i) + (j*4));
-		kfree(gSaveImagePtr[i]);
-		gSaveImagePtr[i] = NULL;
-	}
-}
-
-
-static void w100fb_clear_buffer(void)
-{
-	int i;
-	for (i = 0; i < W100_BUF_NUM; i++) {
-		kfree(gSaveImagePtr[i]);
-		gSaveImagePtr[i] = NULL;
-	}
-}
-
-
 #ifdef CONFIG_PM
-static int w100fb_suspend(struct device *dev, pm_message_t state, u32 level)
+static void w100fb_save_vidmem(struct w100fb_par *par)
+{
+	int memsize;
+
+	if (par->extmem_active) {
+		memsize=par->mach->mem->size;
+		par->saved_extmem = vmalloc(memsize);
+		if (par->saved_extmem)
+			memcpy_fromio(par->saved_extmem, remapped_fbuf + (W100_FB_BASE-MEM_WINDOW_BASE), memsize);
+	}
+	memsize=MEM_INT_SIZE;
+	par->saved_intmem = vmalloc(memsize);
+	if (par->saved_intmem && par->extmem_active)
+		memcpy_fromio(par->saved_intmem, remapped_fbuf + (W100_FB_BASE-MEM_INT_BASE_VALUE), memsize);
+	else if (par->saved_intmem)
+		memcpy_fromio(par->saved_intmem, remapped_fbuf + (W100_FB_BASE-MEM_WINDOW_BASE), memsize);
+}
+
+static void w100fb_restore_vidmem(struct w100fb_par *par)
+{
+	int memsize;
+
+	if (par->extmem_active && par->saved_extmem) {
+		memsize=par->mach->mem->size;
+		memcpy_toio(remapped_fbuf + (W100_FB_BASE-MEM_WINDOW_BASE), par->saved_extmem, memsize);
+		vfree(par->saved_extmem);
+	}
+	if (par->saved_intmem) {
+		memsize=MEM_INT_SIZE;
+		if (par->extmem_active)
+			memcpy_toio(remapped_fbuf + (W100_FB_BASE-MEM_INT_BASE_VALUE), par->saved_intmem, memsize);
+		else
+			memcpy_toio(remapped_fbuf + (W100_FB_BASE-MEM_WINDOW_BASE), par->saved_intmem, memsize);
+		vfree(par->saved_intmem);
+	}
+}
+
+static int w100fb_suspend(struct device *dev, pm_message_t state, uint32_t level)
 {
 	if (level == SUSPEND_POWER_DOWN) {
 		struct fb_info *info = dev_get_drvdata(dev);
 		struct w100fb_par *par=info->par;
+		struct w100_tg_info *tg = par->mach->tg;
 
-		w100fb_save_buffer();
-		lcdtg_suspend();
+		w100fb_save_vidmem(par);
+		if(tg && tg->suspend)
+			tg->suspend(par);
 		w100_suspend(W100_SUSPEND_ALL);
-		par->blanking_flag = 1;
+		par->blanked = 1;
 	}
 	return 0;
 }
 
-static int w100fb_resume(struct device *dev, u32 level)
+static int w100fb_resume(struct device *dev, uint32_t level)
 {
 	if (level == RESUME_POWER_ON) {
 		struct fb_info *info = dev_get_drvdata(dev);
 		struct w100fb_par *par=info->par;
+		struct w100_tg_info *tg = par->mach->tg;
 
-		w100_resume();
-		w100fb_restore_buffer();
-		lcdtg_resume();
-		par->blanking_flag = 0;
+		w100_hw_init(par);
+		w100fb_activate_var(par);
+		w100fb_restore_vidmem(par);
+		if(tg && tg->resume)
+			tg->resume(par);
+		par->blanked = 0;
 	}
 	return 0;
 }
 #else
-#define w100fb_suspend	NULL
-#define w100fb_resume	NULL
+#define w100fb_suspend  NULL
+#define w100fb_resume   NULL
 #endif
 
 
 int __init w100fb_probe(struct device *dev)
 {
+	int err = -EIO;
 	struct w100fb_mach_info *inf;
-	struct fb_info *info;
+	struct fb_info *info = NULL;
 	struct w100fb_par *par;
 	struct platform_device *pdev = to_platform_device(dev);
 	struct resource *mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	unsigned int chip_id;
 
 	if (!mem)
 		return -EINVAL;
 
-	/* remap the areas we're going to use */
+	/* Remap the chip base address */
 	remapped_base = ioremap_nocache(mem->start+W100_CFG_BASE, W100_CFG_LEN);
 	if (remapped_base == NULL)
-		return -EIO;
+		goto out;
 
+	/* Map the register space */
 	remapped_regs = ioremap_nocache(mem->start+W100_REG_BASE, W100_REG_LEN);
-	if (remapped_regs == NULL) {
-		iounmap(remapped_base);
-		return -EIO;
-	}
+	if (remapped_regs == NULL)
+		goto out;
 
-	remapped_fbuf = ioremap_nocache(mem->start+MEM_EXT_BASE_VALUE, REMAPPED_FB_LEN);
-	if (remapped_fbuf == NULL) {
-		iounmap(remapped_base);
-		iounmap(remapped_regs);
-		return -EIO;
+	/* Identify the chip */
+	printk("Found ");
+	chip_id = readl(remapped_regs + mmCHIP_ID);
+	switch(chip_id) {
+		case CHIP_ID_W100:  printk("w100");  break;
+		case CHIP_ID_W3200: printk("w3200"); break;
+		case CHIP_ID_W3220: printk("w3220"); break;
+		default:
+			printk("Unknown imageon chip ID\n");
+			err = -ENODEV;
+			goto out;
 	}
+	printk(" at 0x%08lx.\n", mem->start+W100_CFG_BASE);
+
+	/* Remap the framebuffer */
+	remapped_fbuf = ioremap_nocache(mem->start+MEM_WINDOW_BASE, MEM_WINDOW_SIZE);
+	if (remapped_fbuf == NULL)
+		goto out;
 
 	info=framebuffer_alloc(sizeof(struct w100fb_par), dev);
 	if (!info) {
-		iounmap(remapped_base);
-		iounmap(remapped_regs);
-		iounmap(remapped_fbuf);
-		return -ENOMEM;
+		err = -ENOMEM;
+		goto out;
 	}
 
-	info->device=dev;
 	par = info->par;
-	current_par=info->par;
 	dev_set_drvdata(dev, info);
 
 	inf = dev->platform_data;
-	par->phadadj = inf->phadadj;
-	par->comadj = inf->comadj;
-	par->fastsysclk_mode = 75;
-	par->lcdMode = LCD_MODE_INIT;
-	par->rotation_flag=0;
-	par->blanking_flag=0;
-	w100fb_ssp_send = inf->w100fb_ssp_send;
+	par->chip_id = chip_id;
+	par->mach = inf;
+	par->fastpll_mode = 0;
+	par->blanked = 0;
 
-	w100_hw_init();
-	w100_pwm_setup();
+	par->pll_table=w100_get_xtal_table(inf->xtal_freq);
+	if (!par->pll_table) {
+		printk(KERN_ERR "No matching Xtal definition found\n");
+		err = -EINVAL;
+		goto out;
+	}
 
 	info->pseudo_palette = kmalloc(sizeof (u32) * MAX_PALETTES, GFP_KERNEL);
 	if (!info->pseudo_palette) {
-		iounmap(remapped_base);
-		iounmap(remapped_regs);
-		iounmap(remapped_fbuf);
-		return -ENOMEM;
+		err = -ENOMEM;
+		goto out;
 	}
 
 	info->fbops = &w100fb_ops;
 	info->flags = FBINFO_DEFAULT;
 	info->node = -1;
-	info->screen_base = remapped_fbuf;
+	info->screen_base = remapped_fbuf + (W100_FB_BASE-MEM_WINDOW_BASE);
 	info->screen_size = REMAPPED_FB_LEN;
 
-	info->var.xres = 640;
+	strcpy(info->fix.id, "w100fb");
+	info->fix.type = FB_TYPE_PACKED_PIXELS;
+	info->fix.type_aux = 0;
+	info->fix.accel = FB_ACCEL_NONE;
+	info->fix.smem_start = mem->start+W100_FB_BASE;
+	info->fix.mmio_start = mem->start+W100_REG_BASE;
+	info->fix.mmio_len = W100_REG_LEN;
+
+	if (fb_alloc_cmap(&info->cmap, 256, 0) < 0) {
+		err = -ENOMEM;
+		goto out;
+	}
+
+	par->mode = &inf->modelist[0];
+	if(inf->init_mode & INIT_MODE_ROTATED) {
+		info->var.xres = par->mode->yres;
+		info->var.yres = par->mode->xres;
+	}
+	else {
+		info->var.xres = par->mode->xres;
+		info->var.yres = par->mode->yres;
+	}
+
+	if(inf->init_mode &= INIT_MODE_FLIPPED)
+		par->flip = 1;
+	else
+		par->flip = 0;
+
 	info->var.xres_virtual = info->var.xres;
-	info->var.yres = 480;
 	info->var.yres_virtual = info->var.yres;
-	info->var.pixclock = 0x04;	/* 171521; */
+	info->var.pixclock = 0x04;  /* 171521; */
 	info->var.sync = 0;
 	info->var.grayscale = 0;
 	info->var.xoffset = info->var.yoffset = 0;
 	info->var.accel_flags = 0;
 	info->var.activate = FB_ACTIVATE_NOW;
 
-	strcpy(info->fix.id, "w100fb");
-	info->fix.type = FB_TYPE_PACKED_PIXELS;
-	info->fix.type_aux = 0;
-	info->fix.accel = FB_ACCEL_NONE;
-	info->fix.smem_start = mem->start+MEM_EXT_BASE_VALUE;
-	info->fix.mmio_start = mem->start+W100_REG_BASE;
-	info->fix.mmio_len = W100_REG_LEN;
+	w100_hw_init(par);
+
+	if (w100fb_check_var(&info->var, info) < 0) {
+		err = -EINVAL;
+		goto out;
+	}
 
-	w100fb_check_var(&info->var, info);
 	w100fb_set_par(info);
 
 	if (register_framebuffer(info) < 0) {
-		kfree(info->pseudo_palette);
-		iounmap(remapped_base);
-		iounmap(remapped_regs);
-		iounmap(remapped_fbuf);
-		return -EINVAL;
+		err = -EINVAL;
+		goto out;
 	}
 
-	device_create_file(dev, &dev_attr_fastsysclk);
+	device_create_file(dev, &dev_attr_fastpllclk);
 	device_create_file(dev, &dev_attr_reg_read);
 	device_create_file(dev, &dev_attr_reg_write);
-	device_create_file(dev, &dev_attr_rotation);
+	device_create_file(dev, &dev_attr_flip);
 
 	printk(KERN_INFO "fb%d: %s frame buffer device\n", info->node, info->fix.id);
 	return 0;
+out:
+	fb_dealloc_cmap(&info->cmap);
+	kfree(info->pseudo_palette);
+	if (remapped_fbuf != NULL)
+		iounmap(remapped_fbuf);
+	if (remapped_regs != NULL)
+		iounmap(remapped_regs);
+	if (remapped_base != NULL)
+		iounmap(remapped_base);
+	if (info)
+		framebuffer_release(info);
+	return err;
 }
 
 
 static int w100fb_remove(struct device *dev)
 {
 	struct fb_info *info = dev_get_drvdata(dev);
+	struct w100fb_par *par=info->par;
 
-	device_remove_file(dev, &dev_attr_fastsysclk);
+	device_remove_file(dev, &dev_attr_fastpllclk);
 	device_remove_file(dev, &dev_attr_reg_read);
 	device_remove_file(dev, &dev_attr_reg_write);
-	device_remove_file(dev, &dev_attr_rotation);
+	device_remove_file(dev, &dev_attr_flip);
 
 	unregister_framebuffer(info);
 
-	w100fb_clear_buffer();
+	vfree(par->saved_intmem);
+	vfree(par->saved_extmem);
 	kfree(info->pseudo_palette);
+	fb_dealloc_cmap(&info->cmap);
 
 	iounmap(remapped_base);
 	iounmap(remapped_regs);
@@ -721,10 +664,54 @@ static void w100_soft_reset(void)
 	udelay(100);
 }
 
+static void w100_update_disable(void)
+{
+	union disp_db_buf_cntl_wr_u disp_db_buf_wr_cntl;
+
+	/* Prevent display updates */
+	disp_db_buf_wr_cntl.f.db_buf_cntl = 0x1e;
+	disp_db_buf_wr_cntl.f.update_db_buf = 0;
+	disp_db_buf_wr_cntl.f.en_db_buf = 0;
+	writel((u32) (disp_db_buf_wr_cntl.val), remapped_regs + mmDISP_DB_BUF_CNTL);
+}
+
+static void w100_update_enable(void)
+{
+	union disp_db_buf_cntl_wr_u disp_db_buf_wr_cntl;
+
+	/* Enable display updates */
+	disp_db_buf_wr_cntl.f.db_buf_cntl = 0x1e;
+	disp_db_buf_wr_cntl.f.update_db_buf = 1;
+	disp_db_buf_wr_cntl.f.en_db_buf = 1;
+	writel((u32) (disp_db_buf_wr_cntl.val), remapped_regs + mmDISP_DB_BUF_CNTL);
+}
+
+unsigned long w100fb_gpio_read(int port)
+{
+	unsigned long value;
+
+	if (port==W100_GPIO_PORT_A)
+		value = readl(remapped_regs + mmGPIO_DATA);
+	else
+		value = readl(remapped_regs + mmGPIO_DATA2);
+
+	return value;
+}
+
+void w100fb_gpio_write(int port, unsigned long value)
+{
+	if (port==W100_GPIO_PORT_A)
+		value = writel(value, remapped_regs + mmGPIO_DATA);
+	else
+		value = writel(value, remapped_regs + mmGPIO_DATA2);
+}
+EXPORT_SYMBOL(w100fb_gpio_read);
+EXPORT_SYMBOL(w100fb_gpio_write);
+
 /*
  * Initialization of critical w100 hardware
  */
-static void w100_hw_init(void)
+static void w100_hw_init(struct w100fb_par *par)
 {
 	u32 temp32;
 	union cif_cntl_u cif_cntl;
@@ -735,8 +722,8 @@ static void w100_hw_init(void)
 	union cpu_defaults_u cpu_default;
 	union cif_write_dbg_u cif_write_dbg;
 	union wrap_start_dir_u wrap_start_dir;
-	union mc_ext_mem_location_u mc_ext_mem_loc;
 	union cif_io_u cif_io;
+	struct w100_gpio_regs *gpio = par->mach->gpio;
 
 	w100_soft_reset();
 
@@ -791,19 +778,6 @@ static void w100_hw_init(void)
 	cfgreg_base.f.cfgreg_base = W100_CFG_BASE;
 	writel((u32) (cfgreg_base.val), remapped_regs + mmCFGREG_BASE);
 
-	/* This location is relative to internal w100 addresses */
-	writel(0x15FF1000, remapped_regs + mmMC_FB_LOCATION);
-
-	mc_ext_mem_loc.val = defMC_EXT_MEM_LOCATION;
-	mc_ext_mem_loc.f.mc_ext_mem_start = MEM_EXT_BASE_VALUE >> 8;
-	mc_ext_mem_loc.f.mc_ext_mem_top = MEM_EXT_TOP_VALUE >> 8;
-	writel((u32) (mc_ext_mem_loc.val), remapped_regs + mmMC_EXT_MEM_LOCATION);
-
-	if ((current_par->lcdMode == LCD_MODE_240) || (current_par->lcdMode == LCD_MODE_320))
-		w100_InitExtMem(LCD_SHARP_QVGA);
-	else
-		w100_InitExtMem(LCD_SHARP_VGA);
-
 	wrap_start_dir.val = defWRAP_START_DIR;
 	wrap_start_dir.f.start_addr = WRAP_BUF_BASE_VALUE >> 1;
 	writel((u32) (wrap_start_dir.val), remapped_regs + mmWRAP_START_DIR);
@@ -813,339 +787,300 @@ static void w100_hw_init(void)
 	writel((u32) (wrap_top_dir.val), remapped_regs + mmWRAP_TOP_DIR);
 
 	writel((u32) 0x2440, remapped_regs + mmRBBM_CNTL);
+
+	/* Set the hardware to 565 colour */
+	temp32 = readl(remapped_regs + mmDISP_DEBUG2);
+	temp32 &= 0xff7fffff;
+	temp32 |= 0x00800000;
+	writel(temp32, remapped_regs + mmDISP_DEBUG2);
+
+	/* Initialise the GPIO lines */
+	if (gpio) {
+		writel(gpio->init_data1, remapped_regs + mmGPIO_DATA);
+		writel(gpio->init_data2, remapped_regs + mmGPIO_DATA2);
+		writel(gpio->gpio_dir1,  remapped_regs + mmGPIO_CNTL1);
+		writel(gpio->gpio_oe1,   remapped_regs + mmGPIO_CNTL2);
+		writel(gpio->gpio_dir2,  remapped_regs + mmGPIO_CNTL3);
+		writel(gpio->gpio_oe2,   remapped_regs + mmGPIO_CNTL4);
+	}
 }
 
 
-/*
- * Types
- */
-
-struct pll_parm {
-	u16 freq;		/* desired Fout for PLL */
-	u8 M;
-	u8 N_int;
-	u8 N_fac;
-	u8 tfgoal;
-	u8 lock_time;
-};
-
 struct power_state {
 	union clk_pin_cntl_u clk_pin_cntl;
 	union pll_ref_fb_div_u pll_ref_fb_div;
 	union pll_cntl_u pll_cntl;
 	union sclk_cntl_u sclk_cntl;
 	union pclk_cntl_u pclk_cntl;
-	union clk_test_cntl_u clk_test_cntl;
 	union pwrmgt_cntl_u pwrmgt_cntl;
-	u32 freq;		/* Fout for PLL calibration */
-	u8 tf100;		/* for pll calibration */
-	u8 tf80;		/* for pll calibration */
-	u8 tf20;		/* for pll calibration */
-	u8 M;			/* for pll calibration */
-	u8 N_int;		/* for pll calibration */
-	u8 N_fac;		/* for pll calibration */
-	u8 lock_time;	/* for pll calibration */
-	u8 tfgoal;		/* for pll calibration */
-	u8 auto_mode;	/* hardware auto switch? */
-	u8 pwm_mode;		/* 0 fast, 1 normal/slow */
-	u16 fast_sclk;	/* fast clk freq */
-	u16 norm_sclk;	/* slow clk freq */
+	int auto_mode;  /* system clock auto changing? */
 };
 
 
-/*
- * Global state variables
- */
-
 static struct power_state w100_pwr_state;
 
-/* This table is specific for 12.5MHz ref crystal.  */
-static struct pll_parm gPLLTable[] = {
-    /*freq     M   N_int    N_fac  tfgoal  lock_time */
-    { 50,      0,   1,       0,     0xE0,        56}, /*  50.00 MHz */
-    { 75,      0,   5,       0,     0xDE,	     37}, /*  75.00 MHz */
-    {100,      0,   7,       0,     0xE0,        28}, /* 100.00 MHz */
-    {125,      0,   9,       0,     0xE0,        22}, /* 125.00 MHz */
-    {150,      0,   11,      0,     0xE0,        17}, /* 150.00 MHz */
-    {  0,      0,   0,       0,        0,         0}  /* Terminator */
+/* The PLL Fout is determined by (XtalFreq/(M+1)) * ((N_int+1) + (N_fac/8)) */
+
+/* 12.5MHz Crystal PLL Table */
+static struct w100_pll_info xtal_12500000[] = {
+	/*freq     M   N_int    N_fac  tfgoal  lock_time */
+	{ 50,      0,   1,       0,     0xe0,        56},  /*  50.00 MHz */
+	{ 75,      0,   5,       0,     0xde,        37},  /*  75.00 MHz */
+	{100,      0,   7,       0,     0xe0,        28},  /* 100.00 MHz */
+	{125,      0,   9,       0,     0xe0,        22},  /* 125.00 MHz */
+	{150,      0,   11,      0,     0xe0,        17},  /* 150.00 MHz */
+	{  0,      0,   0,       0,        0,         0},  /* Terminator */
 };
 
+/* 14.318MHz Crystal PLL Table */
+static struct w100_pll_info xtal_14318000[] = {
+	/*freq     M   N_int    N_fac  tfgoal  lock_time */
+	{ 40,      4,   13,      0,     0xe0,        80}, /* tfgoal guessed */
+	{ 50,      1,   6,       0,     0xe0,	     64}, /*  50.05 MHz */
+	{ 57,      2,   11,      0,     0xe0,        53}, /* tfgoal guessed */
+	{ 75,      0,   4,       3,     0xe0,	     43}, /*  75.08 MHz */
+	{100,      0,   6,       0,     0xe0,        32}, /* 100.10 MHz */
+	{  0,      0,   0,       0,        0,         0},
+};
 
-static u8 w100_pll_get_testcount(u8 testclk_sel)
+/* 16MHz Crystal PLL Table */
+static struct w100_pll_info xtal_16000000[] = {
+	/*freq     M   N_int    N_fac  tfgoal  lock_time */
+	{ 72,      1,   8,       0,     0xe0,        48}, /* tfgoal guessed */
+	{ 95,      1,   10,      7,     0xe0,        38}, /* tfgoal guessed */
+	{ 96,      1,   11,      0,     0xe0,        36}, /* tfgoal guessed */
+	{  0,      0,   0,       0,        0,         0},
+};
+
+static struct pll_entries {
+	int xtal_freq;
+	struct w100_pll_info *pll_table;
+} w100_pll_tables[] = {
+	{ 12500000, &xtal_12500000[0] },
+	{ 14318000, &xtal_14318000[0] },
+	{ 16000000, &xtal_16000000[0] },
+	{ 0 },
+};
+
+struct w100_pll_info *w100_get_xtal_table(unsigned int freq)
 {
-	udelay(5);
+	struct pll_entries *pll_entry = w100_pll_tables;
 
-	w100_pwr_state.clk_test_cntl.f.start_check_freq = 0x0;
-	w100_pwr_state.clk_test_cntl.f.testclk_sel = testclk_sel;
-	w100_pwr_state.clk_test_cntl.f.tstcount_rst = 0x1;	/*reset test count */
-	writel((u32) (w100_pwr_state.clk_test_cntl.val), remapped_regs + mmCLK_TEST_CNTL);
-	w100_pwr_state.clk_test_cntl.f.tstcount_rst = 0x0;
-	writel((u32) (w100_pwr_state.clk_test_cntl.val), remapped_regs + mmCLK_TEST_CNTL);
-
-	w100_pwr_state.clk_test_cntl.f.start_check_freq = 0x1;
-	writel((u32) (w100_pwr_state.clk_test_cntl.val), remapped_regs + mmCLK_TEST_CNTL);
-
-	udelay(20);
-
-	w100_pwr_state.clk_test_cntl.val = readl(remapped_regs + mmCLK_TEST_CNTL);
-	w100_pwr_state.clk_test_cntl.f.start_check_freq = 0x0;
-	writel((u32) (w100_pwr_state.clk_test_cntl.val), remapped_regs + mmCLK_TEST_CNTL);
-
-	return w100_pwr_state.clk_test_cntl.f.test_count;
+	do {
+		if (freq == pll_entry->xtal_freq)
+			return pll_entry->pll_table;
+		pll_entry++;
+	} while (pll_entry->xtal_freq);
+	return 0;
 }
 
 
-static u8 w100_pll_adjust(void)
+static unsigned int w100_get_testcount(unsigned int testclk_sel)
 {
+	union clk_test_cntl_u clk_test_cntl;
+
+	udelay(5);
+
+	/* Select the test clock source and reset */
+	clk_test_cntl.f.start_check_freq = 0x0;
+	clk_test_cntl.f.testclk_sel = testclk_sel;
+	clk_test_cntl.f.tstcount_rst = 0x1; /* set reset */
+	writel((u32) (clk_test_cntl.val), remapped_regs + mmCLK_TEST_CNTL);
+
+	clk_test_cntl.f.tstcount_rst = 0x0; /* clear reset */
+	writel((u32) (clk_test_cntl.val), remapped_regs + mmCLK_TEST_CNTL);
+
+	/* Run clock test */
+	clk_test_cntl.f.start_check_freq = 0x1;
+	writel((u32) (clk_test_cntl.val), remapped_regs + mmCLK_TEST_CNTL);
+
+	/* Give the test time to complete */
+	udelay(20);
+
+	/* Return the result */
+	clk_test_cntl.val = readl(remapped_regs + mmCLK_TEST_CNTL);
+	clk_test_cntl.f.start_check_freq = 0x0;
+	writel((u32) (clk_test_cntl.val), remapped_regs + mmCLK_TEST_CNTL);
+
+	return clk_test_cntl.f.test_count;
+}
+
+
+static int w100_pll_adjust(struct w100_pll_info *pll)
+{
+	unsigned int tf80;
+	unsigned int tf20;
+
+	/* Initial Settings */
+	w100_pwr_state.pll_cntl.f.pll_pwdn = 0x0;     /* power down */
+	w100_pwr_state.pll_cntl.f.pll_reset = 0x0;    /* not reset */
+	w100_pwr_state.pll_cntl.f.pll_tcpoff = 0x1;   /* Hi-Z */
+	w100_pwr_state.pll_cntl.f.pll_pvg = 0x0;      /* VCO gain = 0 */
+	w100_pwr_state.pll_cntl.f.pll_vcofr = 0x0;    /* VCO frequency range control = off */
+	w100_pwr_state.pll_cntl.f.pll_ioffset = 0x0;  /* current offset inside VCO = 0 */
+	w100_pwr_state.pll_cntl.f.pll_ring_off = 0x0;
+
+	/* Wai Ming 80 percent of VDD 1.3V gives 1.04V, minimum operating voltage is 1.08V
+	 * therefore, commented out the following lines
+	 * tf80 meant tf100
+	 */
 	do {
-		/* Wai Ming 80 percent of VDD 1.3V gives 1.04V, minimum operating voltage is 1.08V
-		 * therefore, commented out the following lines
-		 * tf80 meant tf100
-		 * set VCO input = 0.8 * VDD
-		 */
+		/* set VCO input = 0.8 * VDD */
 		w100_pwr_state.pll_cntl.f.pll_dactal = 0xd;
 		writel((u32) (w100_pwr_state.pll_cntl.val), remapped_regs + mmPLL_CNTL);
 
-		w100_pwr_state.tf80 = w100_pll_get_testcount(0x1);	/* PLLCLK */
-		if (w100_pwr_state.tf80 >= (w100_pwr_state.tfgoal)) {
+		tf80 = w100_get_testcount(TESTCLK_SRC_PLL);
+		if (tf80 >= (pll->tfgoal)) {
 			/* set VCO input = 0.2 * VDD */
 			w100_pwr_state.pll_cntl.f.pll_dactal = 0x7;
 			writel((u32) (w100_pwr_state.pll_cntl.val), remapped_regs + mmPLL_CNTL);
 
-			w100_pwr_state.tf20 = w100_pll_get_testcount(0x1);	/* PLLCLK */
-			if (w100_pwr_state.tf20 <= (w100_pwr_state.tfgoal))
-				return 1; // Success
+			tf20 = w100_get_testcount(TESTCLK_SRC_PLL);
+			if (tf20 <= (pll->tfgoal))
+				return 1;  /* Success */
 
 			if ((w100_pwr_state.pll_cntl.f.pll_vcofr == 0x0) &&
-			    ((w100_pwr_state.pll_cntl.f.pll_pvg == 0x7) ||
-			     (w100_pwr_state.pll_cntl.f.pll_ioffset == 0x0))) {
+				((w100_pwr_state.pll_cntl.f.pll_pvg == 0x7) ||
+				(w100_pwr_state.pll_cntl.f.pll_ioffset == 0x0))) {
 				/* slow VCO config */
 				w100_pwr_state.pll_cntl.f.pll_vcofr = 0x1;
 				w100_pwr_state.pll_cntl.f.pll_pvg = 0x0;
 				w100_pwr_state.pll_cntl.f.pll_ioffset = 0x0;
-				writel((u32) (w100_pwr_state.pll_cntl.val),
-					remapped_regs + mmPLL_CNTL);
 				continue;
 			}
 		}
 		if ((w100_pwr_state.pll_cntl.f.pll_ioffset) < 0x3) {
 			w100_pwr_state.pll_cntl.f.pll_ioffset += 0x1;
-			writel((u32) (w100_pwr_state.pll_cntl.val), remapped_regs + mmPLL_CNTL);
-			continue;
-		}
-		if ((w100_pwr_state.pll_cntl.f.pll_pvg) < 0x7) {
+		} else if ((w100_pwr_state.pll_cntl.f.pll_pvg) < 0x7) {
 			w100_pwr_state.pll_cntl.f.pll_ioffset = 0x0;
 			w100_pwr_state.pll_cntl.f.pll_pvg += 0x1;
-			writel((u32) (w100_pwr_state.pll_cntl.val), remapped_regs + mmPLL_CNTL);
-			continue;
+		} else {
+			return 0;  /* Error */
 		}
-		return 0; // error
 	} while(1);
 }
 
 
 /*
  * w100_pll_calibration
- *                freq = target frequency of the PLL
- *                (note: crystal = 14.3MHz)
  */
-static u8 w100_pll_calibration(u32 freq)
+static int w100_pll_calibration(struct w100_pll_info *pll)
 {
-	u8 status;
+	int status;
 
-	/* initial setting */
-	w100_pwr_state.pll_cntl.f.pll_pwdn = 0x0;		/* power down */
-	w100_pwr_state.pll_cntl.f.pll_reset = 0x0;		/* not reset */
-	w100_pwr_state.pll_cntl.f.pll_tcpoff = 0x1;	/* Hi-Z */
-	w100_pwr_state.pll_cntl.f.pll_pvg = 0x0;		/* VCO gain = 0 */
-	w100_pwr_state.pll_cntl.f.pll_vcofr = 0x0;		/* VCO frequency range control = off */
-	w100_pwr_state.pll_cntl.f.pll_ioffset = 0x0;	/* current offset inside VCO = 0 */
-	w100_pwr_state.pll_cntl.f.pll_ring_off = 0x0;
-	writel((u32) (w100_pwr_state.pll_cntl.val), remapped_regs + mmPLL_CNTL);
+	status = w100_pll_adjust(pll);
 
-	/* check for (tf80 >= tfgoal) && (tf20 =< tfgoal) */
-	if ((w100_pwr_state.tf80 < w100_pwr_state.tfgoal) || (w100_pwr_state.tf20 > w100_pwr_state.tfgoal)) {
-		status=w100_pll_adjust();
-	}
 	/* PLL Reset And Lock */
-
 	/* set VCO input = 0.5 * VDD */
 	w100_pwr_state.pll_cntl.f.pll_dactal = 0xa;
 	writel((u32) (w100_pwr_state.pll_cntl.val), remapped_regs + mmPLL_CNTL);
 
-	/* reset time */
-	udelay(1);
+	udelay(1);  /* reset time */
 
 	/* enable charge pump */
-	w100_pwr_state.pll_cntl.f.pll_tcpoff = 0x0;	/* normal */
+	w100_pwr_state.pll_cntl.f.pll_tcpoff = 0x0;  /* normal */
 	writel((u32) (w100_pwr_state.pll_cntl.val), remapped_regs + mmPLL_CNTL);
 
-	/* set VCO input = Hi-Z */
-	/* disable DAC */
+	/* set VCO input = Hi-Z, disable DAC */
 	w100_pwr_state.pll_cntl.f.pll_dactal = 0x0;
 	writel((u32) (w100_pwr_state.pll_cntl.val), remapped_regs + mmPLL_CNTL);
 
-	/* lock time */
-	udelay(400);	/* delay 400 us */
+	udelay(400);  /* lock time */
 
 	/* PLL locked */
 
-	w100_pwr_state.sclk_cntl.f.sclk_src_sel = 0x1;	/* PLL clock */
-	writel((u32) (w100_pwr_state.sclk_cntl.val), remapped_regs + mmSCLK_CNTL);
-
-	w100_pwr_state.tf100 = w100_pll_get_testcount(0x1);	/* PLLCLK */
-
 	return status;
 }
 
 
-static u8 w100_pll_set_clk(void)
+static int w100_pll_set_clk(struct w100_pll_info *pll)
 {
-	u8 status;
+	int status;
 
-	if (w100_pwr_state.auto_mode == 1)	/* auto mode */
+	if (w100_pwr_state.auto_mode == 1)  /* auto mode */
 	{
-		w100_pwr_state.pwrmgt_cntl.f.pwm_fast_noml_hw_en = 0x0;	/* disable fast to normal */
-		w100_pwr_state.pwrmgt_cntl.f.pwm_noml_fast_hw_en = 0x0;	/* disable normal to fast */
+		w100_pwr_state.pwrmgt_cntl.f.pwm_fast_noml_hw_en = 0x0;  /* disable fast to normal */
+		w100_pwr_state.pwrmgt_cntl.f.pwm_noml_fast_hw_en = 0x0;  /* disable normal to fast */
 		writel((u32) (w100_pwr_state.pwrmgt_cntl.val), remapped_regs + mmPWRMGT_CNTL);
 	}
 
-	w100_pwr_state.sclk_cntl.f.sclk_src_sel = 0x0;	/* crystal clock */
+	/* Set system clock source to XTAL whilst adjusting the PLL! */
+	w100_pwr_state.sclk_cntl.f.sclk_src_sel = CLK_SRC_XTAL;
 	writel((u32) (w100_pwr_state.sclk_cntl.val), remapped_regs + mmSCLK_CNTL);
 
-	w100_pwr_state.pll_ref_fb_div.f.pll_ref_div = w100_pwr_state.M;
-	w100_pwr_state.pll_ref_fb_div.f.pll_fb_div_int = w100_pwr_state.N_int;
-	w100_pwr_state.pll_ref_fb_div.f.pll_fb_div_frac = w100_pwr_state.N_fac;
-	w100_pwr_state.pll_ref_fb_div.f.pll_lock_time = w100_pwr_state.lock_time;
+	w100_pwr_state.pll_ref_fb_div.f.pll_ref_div = pll->M;
+	w100_pwr_state.pll_ref_fb_div.f.pll_fb_div_int = pll->N_int;
+	w100_pwr_state.pll_ref_fb_div.f.pll_fb_div_frac = pll->N_fac;
+	w100_pwr_state.pll_ref_fb_div.f.pll_lock_time = pll->lock_time;
 	writel((u32) (w100_pwr_state.pll_ref_fb_div.val), remapped_regs + mmPLL_REF_FB_DIV);
 
 	w100_pwr_state.pwrmgt_cntl.f.pwm_mode_req = 0;
 	writel((u32) (w100_pwr_state.pwrmgt_cntl.val), remapped_regs + mmPWRMGT_CNTL);
 
-	status = w100_pll_calibration (w100_pwr_state.freq);
+	status = w100_pll_calibration(pll);
 
-	if (w100_pwr_state.auto_mode == 1)	/* auto mode */
+	if (w100_pwr_state.auto_mode == 1)  /* auto mode */
 	{
-		w100_pwr_state.pwrmgt_cntl.f.pwm_fast_noml_hw_en = 0x1;	/* reenable fast to normal */
-		w100_pwr_state.pwrmgt_cntl.f.pwm_noml_fast_hw_en = 0x1;	/* reenable normal to fast  */
+		w100_pwr_state.pwrmgt_cntl.f.pwm_fast_noml_hw_en = 0x1;  /* reenable fast to normal */
+		w100_pwr_state.pwrmgt_cntl.f.pwm_noml_fast_hw_en = 0x1;  /* reenable normal to fast  */
 		writel((u32) (w100_pwr_state.pwrmgt_cntl.val), remapped_regs + mmPWRMGT_CNTL);
 	}
 	return status;
 }
 
-
-/* assume reference crystal clk is 12.5MHz,
- * and that doubling is not enabled.
- *
- * Freq = 12 == 12.5MHz.
- */
-static u16 w100_set_slowsysclk(u16 freq)
+/* freq = target frequency of the PLL */
+static int w100_set_pll_freq(struct w100fb_par *par, unsigned int freq)
 {
-	if (w100_pwr_state.norm_sclk == freq)
-		return freq;
+	struct w100_pll_info *pll = par->pll_table;
 
-	if (w100_pwr_state.auto_mode == 1)	/* auto mode */
-		return 0;
-
-	if (freq == 12) {
-		w100_pwr_state.norm_sclk = freq;
-		w100_pwr_state.sclk_cntl.f.sclk_post_div_slow = 0x0;	/* Pslow = 1 */
-		w100_pwr_state.sclk_cntl.f.sclk_src_sel = 0x0;	/* crystal src */
-
-		writel((u32) (w100_pwr_state.sclk_cntl.val), remapped_regs + mmSCLK_CNTL);
-
-		w100_pwr_state.clk_pin_cntl.f.xtalin_pm_en = 0x1;
-		writel((u32) (w100_pwr_state.clk_pin_cntl.val), remapped_regs + mmCLK_PIN_CNTL);
-
-		w100_pwr_state.pwrmgt_cntl.f.pwm_enable = 0x1;
-		w100_pwr_state.pwrmgt_cntl.f.pwm_mode_req = 0x1;
-		writel((u32) (w100_pwr_state.pwrmgt_cntl.val), remapped_regs + mmPWRMGT_CNTL);
-		w100_pwr_state.pwm_mode = 1;	/* normal mode */
-		return freq;
-	} else
-		return 0;
-}
-
-
-static u16 w100_set_fastsysclk(u16 freq)
-{
-	u16 pll_freq;
-	int i;
-
-	while(1) {
-		pll_freq = (u16) (freq * (w100_pwr_state.sclk_cntl.f.sclk_post_div_fast + 1));
-		i = 0;
-		do {
-			if (pll_freq == gPLLTable[i].freq) {
-				w100_pwr_state.freq = gPLLTable[i].freq * 1000000;
-				w100_pwr_state.M = gPLLTable[i].M;
-				w100_pwr_state.N_int = gPLLTable[i].N_int;
-				w100_pwr_state.N_fac = gPLLTable[i].N_fac;
-				w100_pwr_state.tfgoal = gPLLTable[i].tfgoal;
-				w100_pwr_state.lock_time = gPLLTable[i].lock_time;
-				w100_pwr_state.tf20 = 0xff;	/* set highest */
-				w100_pwr_state.tf80 = 0x00;	/* set lowest */
-
-				w100_pll_set_clk();
-				w100_pwr_state.pwm_mode = 0;	/* fast mode */
-				w100_pwr_state.fast_sclk = freq;
-				return freq;
-			}
-			i++;
-		} while(gPLLTable[i].freq);
-
-		if (w100_pwr_state.auto_mode == 1)
-			break;
-
-		if (w100_pwr_state.sclk_cntl.f.sclk_post_div_fast == 0)
-			break;
-
-		w100_pwr_state.sclk_cntl.f.sclk_post_div_fast -= 1;
-		writel((u32) (w100_pwr_state.sclk_cntl.val), remapped_regs + mmSCLK_CNTL);
-	}
+	do {
+		if (freq == pll->freq) {
+			return w100_pll_set_clk(pll);
+		}
+		pll++;
+	} while(pll->freq);
 	return 0;
 }
 
-
 /* Set up an initial state.  Some values/fields set
    here will be overwritten. */
-static void w100_pwm_setup(void)
+static void w100_pwm_setup(struct w100fb_par *par)
 {
 	w100_pwr_state.clk_pin_cntl.f.osc_en = 0x1;
 	w100_pwr_state.clk_pin_cntl.f.osc_gain = 0x1f;
 	w100_pwr_state.clk_pin_cntl.f.dont_use_xtalin = 0x0;
 	w100_pwr_state.clk_pin_cntl.f.xtalin_pm_en = 0x0;
-	w100_pwr_state.clk_pin_cntl.f.xtalin_dbl_en = 0x0;	/* no freq doubling */
+	w100_pwr_state.clk_pin_cntl.f.xtalin_dbl_en = par->mach->xtal_dbl ? 1 : 0;
 	w100_pwr_state.clk_pin_cntl.f.cg_debug = 0x0;
 	writel((u32) (w100_pwr_state.clk_pin_cntl.val), remapped_regs + mmCLK_PIN_CNTL);
 
-	w100_pwr_state.sclk_cntl.f.sclk_src_sel = 0x0;	/* Crystal Clk */
-	w100_pwr_state.sclk_cntl.f.sclk_post_div_fast = 0x0;	/* Pfast = 1 */
+	w100_pwr_state.sclk_cntl.f.sclk_src_sel = CLK_SRC_XTAL;
+	w100_pwr_state.sclk_cntl.f.sclk_post_div_fast = 0x0;  /* Pfast = 1 */
 	w100_pwr_state.sclk_cntl.f.sclk_clkon_hys = 0x3;
-	w100_pwr_state.sclk_cntl.f.sclk_post_div_slow = 0x0;	/* Pslow = 1 */
+	w100_pwr_state.sclk_cntl.f.sclk_post_div_slow = 0x0;  /* Pslow = 1 */
 	w100_pwr_state.sclk_cntl.f.disp_cg_ok2switch_en = 0x0;
-	w100_pwr_state.sclk_cntl.f.sclk_force_reg = 0x0;	/* Dynamic */
-	w100_pwr_state.sclk_cntl.f.sclk_force_disp = 0x0;	/* Dynamic */
-	w100_pwr_state.sclk_cntl.f.sclk_force_mc = 0x0;	/* Dynamic */
-	w100_pwr_state.sclk_cntl.f.sclk_force_extmc = 0x0;	/* Dynamic */
-	w100_pwr_state.sclk_cntl.f.sclk_force_cp = 0x0;	/* Dynamic */
-	w100_pwr_state.sclk_cntl.f.sclk_force_e2 = 0x0;	/* Dynamic */
-	w100_pwr_state.sclk_cntl.f.sclk_force_e3 = 0x0;	/* Dynamic */
-	w100_pwr_state.sclk_cntl.f.sclk_force_idct = 0x0;	/* Dynamic */
-	w100_pwr_state.sclk_cntl.f.sclk_force_bist = 0x0;	/* Dynamic */
+	w100_pwr_state.sclk_cntl.f.sclk_force_reg = 0x0;    /* Dynamic */
+	w100_pwr_state.sclk_cntl.f.sclk_force_disp = 0x0;   /* Dynamic */
+	w100_pwr_state.sclk_cntl.f.sclk_force_mc = 0x0;     /* Dynamic */
+	w100_pwr_state.sclk_cntl.f.sclk_force_extmc = 0x0;  /* Dynamic */
+	w100_pwr_state.sclk_cntl.f.sclk_force_cp = 0x0;     /* Dynamic */
+	w100_pwr_state.sclk_cntl.f.sclk_force_e2 = 0x0;     /* Dynamic */
+	w100_pwr_state.sclk_cntl.f.sclk_force_e3 = 0x0;     /* Dynamic */
+	w100_pwr_state.sclk_cntl.f.sclk_force_idct = 0x0;   /* Dynamic */
+	w100_pwr_state.sclk_cntl.f.sclk_force_bist = 0x0;   /* Dynamic */
 	w100_pwr_state.sclk_cntl.f.busy_extend_cp = 0x0;
 	w100_pwr_state.sclk_cntl.f.busy_extend_e2 = 0x0;
 	w100_pwr_state.sclk_cntl.f.busy_extend_e3 = 0x0;
 	w100_pwr_state.sclk_cntl.f.busy_extend_idct = 0x0;
 	writel((u32) (w100_pwr_state.sclk_cntl.val), remapped_regs + mmSCLK_CNTL);
 
-	w100_pwr_state.pclk_cntl.f.pclk_src_sel = 0x0;	/* Crystal Clk */
-	w100_pwr_state.pclk_cntl.f.pclk_post_div = 0x1;	/* P = 2 */
-	w100_pwr_state.pclk_cntl.f.pclk_force_disp = 0x0;	/* Dynamic */
+	w100_pwr_state.pclk_cntl.f.pclk_src_sel = CLK_SRC_XTAL;
+	w100_pwr_state.pclk_cntl.f.pclk_post_div = 0x1;    /* P = 2 */
+	w100_pwr_state.pclk_cntl.f.pclk_force_disp = 0x0;  /* Dynamic */
 	writel((u32) (w100_pwr_state.pclk_cntl.val), remapped_regs + mmPCLK_CNTL);
 
-	w100_pwr_state.pll_ref_fb_div.f.pll_ref_div = 0x0;	/* M = 1 */
-	w100_pwr_state.pll_ref_fb_div.f.pll_fb_div_int = 0x0;	/* N = 1.0 */
+	w100_pwr_state.pll_ref_fb_div.f.pll_ref_div = 0x0;     /* M = 1 */
+	w100_pwr_state.pll_ref_fb_div.f.pll_fb_div_int = 0x0;  /* N = 1.0 */
 	w100_pwr_state.pll_ref_fb_div.f.pll_fb_div_frac = 0x0;
 	w100_pwr_state.pll_ref_fb_div.f.pll_reset_time = 0x5;
 	w100_pwr_state.pll_ref_fb_div.f.pll_lock_time = 0xff;
@@ -1154,7 +1089,7 @@ static void w100_pwm_setup(void)
 	w100_pwr_state.pll_cntl.f.pll_pwdn = 0x1;
 	w100_pwr_state.pll_cntl.f.pll_reset = 0x1;
 	w100_pwr_state.pll_cntl.f.pll_pm_en = 0x0;
-	w100_pwr_state.pll_cntl.f.pll_mode = 0x0;	/* uses VCO clock */
+	w100_pwr_state.pll_cntl.f.pll_mode = 0x0;  /* uses VCO clock */
 	w100_pwr_state.pll_cntl.f.pll_refclk_sel = 0x0;
 	w100_pwr_state.pll_cntl.f.pll_fbclk_sel = 0x0;
 	w100_pwr_state.pll_cntl.f.pll_tcpoff = 0x0;
@@ -1164,221 +1099,276 @@ static void w100_pwm_setup(void)
 	w100_pwr_state.pll_cntl.f.pll_ioffset = 0x0;
 	w100_pwr_state.pll_cntl.f.pll_pecc_mode = 0x0;
 	w100_pwr_state.pll_cntl.f.pll_pecc_scon = 0x0;
-	w100_pwr_state.pll_cntl.f.pll_dactal = 0x0;	/* Hi-Z */
+	w100_pwr_state.pll_cntl.f.pll_dactal = 0x0;  /* Hi-Z */
 	w100_pwr_state.pll_cntl.f.pll_cp_clip = 0x3;
 	w100_pwr_state.pll_cntl.f.pll_conf = 0x2;
 	w100_pwr_state.pll_cntl.f.pll_mbctrl = 0x2;
 	w100_pwr_state.pll_cntl.f.pll_ring_off = 0x0;
 	writel((u32) (w100_pwr_state.pll_cntl.val), remapped_regs + mmPLL_CNTL);
 
-	w100_pwr_state.clk_test_cntl.f.testclk_sel = 0x1;	/* PLLCLK (for testing) */
-	w100_pwr_state.clk_test_cntl.f.start_check_freq = 0x0;
-	w100_pwr_state.clk_test_cntl.f.tstcount_rst = 0x0;
-	writel((u32) (w100_pwr_state.clk_test_cntl.val), remapped_regs + mmCLK_TEST_CNTL);
-
 	w100_pwr_state.pwrmgt_cntl.f.pwm_enable = 0x0;
-	w100_pwr_state.pwrmgt_cntl.f.pwm_mode_req = 0x1;	/* normal mode (0, 1, 3) */
+	w100_pwr_state.pwrmgt_cntl.f.pwm_mode_req = 0x1;  /* normal mode (0, 1, 3) */
 	w100_pwr_state.pwrmgt_cntl.f.pwm_wakeup_cond = 0x0;
 	w100_pwr_state.pwrmgt_cntl.f.pwm_fast_noml_hw_en = 0x0;
 	w100_pwr_state.pwrmgt_cntl.f.pwm_noml_fast_hw_en = 0x0;
-	w100_pwr_state.pwrmgt_cntl.f.pwm_fast_noml_cond = 0x1;	/* PM4,ENG */
-	w100_pwr_state.pwrmgt_cntl.f.pwm_noml_fast_cond = 0x1;	/* PM4,ENG */
+	w100_pwr_state.pwrmgt_cntl.f.pwm_fast_noml_cond = 0x1;  /* PM4,ENG */
+	w100_pwr_state.pwrmgt_cntl.f.pwm_noml_fast_cond = 0x1;  /* PM4,ENG */
 	w100_pwr_state.pwrmgt_cntl.f.pwm_idle_timer = 0xFF;
 	w100_pwr_state.pwrmgt_cntl.f.pwm_busy_timer = 0xFF;
 	writel((u32) (w100_pwr_state.pwrmgt_cntl.val), remapped_regs + mmPWRMGT_CNTL);
 
-	w100_pwr_state.auto_mode = 0;	/* manual mode */
-	w100_pwr_state.pwm_mode = 1;	/* normal mode (0, 1, 2) */
-	w100_pwr_state.freq = 50000000;	/* 50 MHz */
-	w100_pwr_state.M = 3;	/* M = 4 */
-	w100_pwr_state.N_int = 6;	/* N = 7.0 */
-	w100_pwr_state.N_fac = 0;
-	w100_pwr_state.tfgoal = 0xE0;
-	w100_pwr_state.lock_time = 56;
-	w100_pwr_state.tf20 = 0xff;	/* set highest */
-	w100_pwr_state.tf80 = 0x00;	/* set lowest */
-	w100_pwr_state.tf100 = 0x00;	/* set lowest */
-	w100_pwr_state.fast_sclk = 50;	/* 50.0 MHz */
-	w100_pwr_state.norm_sclk = 12;	/* 12.5 MHz */
+	w100_pwr_state.auto_mode = 0;  /* manual mode */
 }
 
 
-static void w100_init_sharp_lcd(u32 mode)
+/*
+ * Setup the w100 clocks for the specified mode
+ */
+static void w100_init_clocks(struct w100fb_par *par)
+{
+	struct w100_mode *mode = par->mode;
+
+	if (mode->pixclk_src == CLK_SRC_PLL || mode->sysclk_src == CLK_SRC_PLL)
+		w100_set_pll_freq(par, (par->fastpll_mode && mode->fast_pll_freq) ? mode->fast_pll_freq : mode->pll_freq);
+
+	w100_pwr_state.sclk_cntl.f.sclk_src_sel = mode->sysclk_src;
+	w100_pwr_state.sclk_cntl.f.sclk_post_div_fast = mode->sysclk_divider;
+	w100_pwr_state.sclk_cntl.f.sclk_post_div_slow = mode->sysclk_divider;
+	writel((u32) (w100_pwr_state.sclk_cntl.val), remapped_regs + mmSCLK_CNTL);
+}
+
+static void w100_init_lcd(struct w100fb_par *par)
 {
 	u32 temp32;
-	union disp_db_buf_cntl_wr_u disp_db_buf_wr_cntl;
+	struct w100_mode *mode = par->mode;
+	struct w100_gen_regs *regs = par->mach->regs;
+	union active_h_disp_u active_h_disp;
+	union active_v_disp_u active_v_disp;
+	union graphic_h_disp_u graphic_h_disp;
+	union graphic_v_disp_u graphic_v_disp;
+	union crtc_total_u crtc_total;
 
-	/* Prevent display updates */
-	disp_db_buf_wr_cntl.f.db_buf_cntl = 0x1e;
-	disp_db_buf_wr_cntl.f.update_db_buf = 0;
-	disp_db_buf_wr_cntl.f.en_db_buf = 0;
-	writel((u32) (disp_db_buf_wr_cntl.val), remapped_regs + mmDISP_DB_BUF_CNTL);
+	/* w3200 doesnt like undefined bits being set so zero register values first */
 
-	switch(mode) {
-	case LCD_SHARP_QVGA:
-		w100_set_slowsysclk(12);	/* use crystal -- 12.5MHz */
-		/* not use PLL */
+	active_h_disp.val = 0;
+	active_h_disp.f.active_h_start=mode->left_margin;
+	active_h_disp.f.active_h_end=mode->left_margin + mode->xres;
+	writel(active_h_disp.val, remapped_regs + mmACTIVE_H_DISP);
 
-		writel(0x7FFF8000, remapped_regs + mmMC_EXT_MEM_LOCATION);
-		writel(0x85FF8000, remapped_regs + mmMC_FB_LOCATION);
-		writel(0x00000003, remapped_regs + mmLCD_FORMAT);
-		writel(0x00CF1C06, remapped_regs + mmGRAPHIC_CTRL);
-		writel(0x01410145, remapped_regs + mmCRTC_TOTAL);
-		writel(0x01170027, remapped_regs + mmACTIVE_H_DISP);
-		writel(0x01410001, remapped_regs + mmACTIVE_V_DISP);
-		writel(0x01170027, remapped_regs + mmGRAPHIC_H_DISP);
-		writel(0x01410001, remapped_regs + mmGRAPHIC_V_DISP);
-		writel(0x81170027, remapped_regs + mmCRTC_SS);
-		writel(0xA0140000, remapped_regs + mmCRTC_LS);
-		writel(0x00400008, remapped_regs + mmCRTC_REV);
-		writel(0xA0000000, remapped_regs + mmCRTC_DCLK);
-		writel(0xC0140014, remapped_regs + mmCRTC_GS);
-		writel(0x00010141, remapped_regs + mmCRTC_VPOS_GS);
-		writel(0x8015010F, remapped_regs + mmCRTC_GCLK);
-		writel(0x80100110, remapped_regs + mmCRTC_GOE);
-		writel(0x00000000, remapped_regs + mmCRTC_FRAME);
-		writel(0x00000000, remapped_regs + mmCRTC_FRAME_VPOS);
-		writel(0x01CC0000, remapped_regs + mmLCDD_CNTL1);
-		writel(0x0003FFFF, remapped_regs + mmLCDD_CNTL2);
-		writel(0x00FFFF0D, remapped_regs + mmGENLCD_CNTL1);
-		writel(0x003F3003, remapped_regs + mmGENLCD_CNTL2);
-		writel(0x00000000, remapped_regs + mmCRTC_DEFAULT_COUNT);
-		writel(0x0000FF00, remapped_regs + mmLCD_BACKGROUND_COLOR);
-		writel(0x000102aa, remapped_regs + mmGENLCD_CNTL3);
-		writel(0x00800000, remapped_regs + mmGRAPHIC_OFFSET);
-		writel(0x000001e0, remapped_regs + mmGRAPHIC_PITCH);
-		writel(0x000000bf, remapped_regs + mmGPIO_DATA);
-		writel(0x03c0feff, remapped_regs + mmGPIO_CNTL2);
-		writel(0x00000000, remapped_regs + mmGPIO_CNTL1);
-		writel(0x41060010, remapped_regs + mmCRTC_PS1_ACTIVE);
-		break;
-	case LCD_SHARP_VGA:
-		w100_set_slowsysclk(12);	/* use crystal -- 12.5MHz */
-		w100_set_fastsysclk(current_par->fastsysclk_mode);	/* use PLL -- 75.0MHz */
-		w100_pwr_state.pclk_cntl.f.pclk_src_sel = 0x1;
-		w100_pwr_state.pclk_cntl.f.pclk_post_div = 0x2;
-		writel((u32) (w100_pwr_state.pclk_cntl.val), remapped_regs + mmPCLK_CNTL);
-		writel(0x15FF1000, remapped_regs + mmMC_FB_LOCATION);
-		writel(0x9FFF8000, remapped_regs + mmMC_EXT_MEM_LOCATION);
-		writel(0x00000003, remapped_regs + mmLCD_FORMAT);
-		writel(0x00DE1D66, remapped_regs + mmGRAPHIC_CTRL);
+	active_v_disp.val = 0;
+	active_v_disp.f.active_v_start=mode->upper_margin;
+	active_v_disp.f.active_v_end=mode->upper_margin + mode->yres;
+	writel(active_v_disp.val, remapped_regs + mmACTIVE_V_DISP);
 
-		writel(0x0283028B, remapped_regs + mmCRTC_TOTAL);
-		writel(0x02360056, remapped_regs + mmACTIVE_H_DISP);
-		writel(0x02830003, remapped_regs + mmACTIVE_V_DISP);
-		writel(0x02360056, remapped_regs + mmGRAPHIC_H_DISP);
-		writel(0x02830003, remapped_regs + mmGRAPHIC_V_DISP);
-		writel(0x82360056, remapped_regs + mmCRTC_SS);
-		writel(0xA0280000, remapped_regs + mmCRTC_LS);
-		writel(0x00400008, remapped_regs + mmCRTC_REV);
-		writel(0xA0000000, remapped_regs + mmCRTC_DCLK);
-		writel(0x80280028, remapped_regs + mmCRTC_GS);
-		writel(0x02830002, remapped_regs + mmCRTC_VPOS_GS);
-		writel(0x8015010F, remapped_regs + mmCRTC_GCLK);
-		writel(0x80100110, remapped_regs + mmCRTC_GOE);
-		writel(0x00000000, remapped_regs + mmCRTC_FRAME);
-		writel(0x00000000, remapped_regs + mmCRTC_FRAME_VPOS);
-		writel(0x01CC0000, remapped_regs + mmLCDD_CNTL1);
-		writel(0x0003FFFF, remapped_regs + mmLCDD_CNTL2);
-		writel(0x00FFFF0D, remapped_regs + mmGENLCD_CNTL1);
-		writel(0x003F3003, remapped_regs + mmGENLCD_CNTL2);
-		writel(0x00000000, remapped_regs + mmCRTC_DEFAULT_COUNT);
-		writel(0x0000FF00, remapped_regs + mmLCD_BACKGROUND_COLOR);
-		writel(0x000102aa, remapped_regs + mmGENLCD_CNTL3);
-		writel(0x00800000, remapped_regs + mmGRAPHIC_OFFSET);
-		writel(0x000003C0, remapped_regs + mmGRAPHIC_PITCH);
-		writel(0x000000bf, remapped_regs + mmGPIO_DATA);
-		writel(0x03c0feff, remapped_regs + mmGPIO_CNTL2);
-		writel(0x00000000, remapped_regs + mmGPIO_CNTL1);
-		writel(0x41060010, remapped_regs + mmCRTC_PS1_ACTIVE);
-		break;
-	default:
-		break;
-	}
+	graphic_h_disp.val = 0;
+	graphic_h_disp.f.graphic_h_start=mode->left_margin;
+	graphic_h_disp.f.graphic_h_end=mode->left_margin + mode->xres;
+	writel(graphic_h_disp.val, remapped_regs + mmGRAPHIC_H_DISP);
+
+	graphic_v_disp.val = 0;
+	graphic_v_disp.f.graphic_v_start=mode->upper_margin;
+	graphic_v_disp.f.graphic_v_end=mode->upper_margin + mode->yres;
+	writel(graphic_v_disp.val, remapped_regs + mmGRAPHIC_V_DISP);
+
+	crtc_total.val = 0;
+	crtc_total.f.crtc_h_total=mode->left_margin  + mode->xres + mode->right_margin;
+	crtc_total.f.crtc_v_total=mode->upper_margin + mode->yres + mode->lower_margin;
+	writel(crtc_total.val, remapped_regs + mmCRTC_TOTAL);
+
+	writel(mode->crtc_ss, remapped_regs + mmCRTC_SS);
+	writel(mode->crtc_ls, remapped_regs + mmCRTC_LS);
+	writel(mode->crtc_gs, remapped_regs + mmCRTC_GS);
+	writel(mode->crtc_vpos_gs, remapped_regs + mmCRTC_VPOS_GS);
+	writel(mode->crtc_rev, remapped_regs + mmCRTC_REV);
+	writel(mode->crtc_dclk, remapped_regs + mmCRTC_DCLK);
+	writel(mode->crtc_gclk, remapped_regs + mmCRTC_GCLK);
+	writel(mode->crtc_goe, remapped_regs + mmCRTC_GOE);
+	writel(mode->crtc_ps1_active, remapped_regs + mmCRTC_PS1_ACTIVE);
+
+	writel(regs->lcd_format, remapped_regs + mmLCD_FORMAT);
+	writel(regs->lcdd_cntl1, remapped_regs + mmLCDD_CNTL1);
+	writel(regs->lcdd_cntl2, remapped_regs + mmLCDD_CNTL2);
+	writel(regs->genlcd_cntl1, remapped_regs + mmGENLCD_CNTL1);
+	writel(regs->genlcd_cntl2, remapped_regs + mmGENLCD_CNTL2);
+	writel(regs->genlcd_cntl3, remapped_regs + mmGENLCD_CNTL3);
+
+	writel(0x00000000, remapped_regs + mmCRTC_FRAME);
+	writel(0x00000000, remapped_regs + mmCRTC_FRAME_VPOS);
+	writel(0x00000000, remapped_regs + mmCRTC_DEFAULT_COUNT);
+	writel(0x0000FF00, remapped_regs + mmLCD_BACKGROUND_COLOR);
 
 	/* Hack for overlay in ext memory */
 	temp32 = readl(remapped_regs + mmDISP_DEBUG2);
 	temp32 |= 0xc0000000;
 	writel(temp32, remapped_regs + mmDISP_DEBUG2);
-
-	/* Re-enable display updates */
-	disp_db_buf_wr_cntl.f.db_buf_cntl = 0x1e;
-	disp_db_buf_wr_cntl.f.update_db_buf = 1;
-	disp_db_buf_wr_cntl.f.en_db_buf = 1;
-	writel((u32) (disp_db_buf_wr_cntl.val), remapped_regs + mmDISP_DB_BUF_CNTL);
 }
 
 
-static void w100_set_vga_rotation_regs(u16 divider, unsigned long ctrl, unsigned long offset, unsigned long pitch)
+static void w100_setup_memory(struct w100fb_par *par)
 {
-	w100_pwr_state.pclk_cntl.f.pclk_src_sel = 0x1;
+	union mc_ext_mem_location_u extmem_location;
+	union mc_fb_location_u intmem_location;
+	struct w100_mem_info *mem = par->mach->mem;
+	struct w100_bm_mem_info *bm_mem = par->mach->bm_mem;
+
+	if (!par->extmem_active) {
+		w100_suspend(W100_SUSPEND_EXTMEM);
+
+		/* Map Internal Memory at FB Base */
+		intmem_location.f.mc_fb_start = W100_FB_BASE >> 8;
+		intmem_location.f.mc_fb_top = (W100_FB_BASE+MEM_INT_SIZE) >> 8;
+		writel((u32) (intmem_location.val), remapped_regs + mmMC_FB_LOCATION);
+
+		/* Unmap External Memory - value is *probably* irrelevant but may have meaning
+		   to acceleration libraries */
+		extmem_location.f.mc_ext_mem_start = MEM_EXT_BASE_VALUE >> 8;
+		extmem_location.f.mc_ext_mem_top = (MEM_EXT_BASE_VALUE-1) >> 8;
+		writel((u32) (extmem_location.val), remapped_regs + mmMC_EXT_MEM_LOCATION);
+	} else {
+		/* Map Internal Memory to its default location */
+		intmem_location.f.mc_fb_start = MEM_INT_BASE_VALUE >> 8;
+		intmem_location.f.mc_fb_top = (MEM_INT_BASE_VALUE+MEM_INT_SIZE) >> 8;
+		writel((u32) (intmem_location.val), remapped_regs + mmMC_FB_LOCATION);
+
+		/* Map External Memory at FB Base */
+		extmem_location.f.mc_ext_mem_start = W100_FB_BASE >> 8;
+		extmem_location.f.mc_ext_mem_top = (W100_FB_BASE+par->mach->mem->size) >> 8;
+		writel((u32) (extmem_location.val), remapped_regs + mmMC_EXT_MEM_LOCATION);
+
+		writel(0x00007800, remapped_regs + mmMC_BIST_CTRL);
+		writel(mem->ext_cntl, remapped_regs + mmMEM_EXT_CNTL);
+		writel(0x00200021, remapped_regs + mmMEM_SDRAM_MODE_REG);
+		udelay(100);
+		writel(0x80200021, remapped_regs + mmMEM_SDRAM_MODE_REG);
+		udelay(100);
+		writel(mem->sdram_mode_reg, remapped_regs + mmMEM_SDRAM_MODE_REG);
+		udelay(100);
+		writel(mem->ext_timing_cntl, remapped_regs + mmMEM_EXT_TIMING_CNTL);
+		writel(mem->io_cntl, remapped_regs + mmMEM_IO_CNTL);
+		if (bm_mem) {
+			writel(bm_mem->ext_mem_bw, remapped_regs + mmBM_EXT_MEM_BANDWIDTH);
+			writel(bm_mem->offset, remapped_regs + mmBM_OFFSET);
+			writel(bm_mem->ext_timing_ctl, remapped_regs + mmBM_MEM_EXT_TIMING_CNTL);
+			writel(bm_mem->ext_cntl, remapped_regs + mmBM_MEM_EXT_CNTL);
+			writel(bm_mem->mode_reg, remapped_regs + mmBM_MEM_MODE_REG);
+			writel(bm_mem->io_cntl, remapped_regs + mmBM_MEM_IO_CNTL);
+			writel(bm_mem->config, remapped_regs + mmBM_CONFIG);
+		}
+	}
+}
+
+static void w100_set_dispregs(struct w100fb_par *par)
+{
+	unsigned long rot=0, divider, offset=0;
+	union graphic_ctrl_u graphic_ctrl;
+
+	/* See if the mode has been rotated */
+	if (par->xres == par->mode->xres) {
+		if (par->flip) {
+			rot=3; /* 180 degree */
+			offset=(par->xres * par->yres) - 1;
+		} /* else 0 degree */
+		divider = par->mode->pixclk_divider;
+	} else {
+		if (par->flip) {
+			rot=2; /* 270 degree */
+			offset=par->xres - 1;
+		} else {
+			rot=1; /* 90 degree */
+			offset=par->xres * (par->yres - 1);
+		}
+		divider = par->mode->pixclk_divider_rotated;
+	}
+
+	graphic_ctrl.val = 0; /* w32xx doesn't like undefined bits */
+	switch (par->chip_id) {
+		case CHIP_ID_W100:
+			graphic_ctrl.f_w100.color_depth=6;
+			graphic_ctrl.f_w100.en_crtc=1;
+			graphic_ctrl.f_w100.en_graphic_req=1;
+			graphic_ctrl.f_w100.en_graphic_crtc=1;
+			graphic_ctrl.f_w100.lcd_pclk_on=1;
+			graphic_ctrl.f_w100.lcd_sclk_on=1;
+			graphic_ctrl.f_w100.low_power_on=0;
+			graphic_ctrl.f_w100.req_freq=0;
+			graphic_ctrl.f_w100.portrait_mode=rot;
+
+			/* Zaurus needs this */
+			switch(par->xres) {
+				case 240:
+				case 320:
+				default:
+					graphic_ctrl.f_w100.total_req_graphic=0xa0;
+					break;
+				case 480:
+				case 640:
+					switch(rot) {
+						case 0:  /* 0 */
+						case 3:  /* 180 */
+							graphic_ctrl.f_w100.low_power_on=1;
+							graphic_ctrl.f_w100.req_freq=5;
+						break;
+						case 1:  /* 90 */
+						case 2:  /* 270 */
+							graphic_ctrl.f_w100.req_freq=4;
+							break;
+						default:
+							break;
+					}
+					graphic_ctrl.f_w100.total_req_graphic=0xf0;
+					break;
+			}
+			break;
+		case CHIP_ID_W3200:
+		case CHIP_ID_W3220:
+			graphic_ctrl.f_w32xx.color_depth=6;
+			graphic_ctrl.f_w32xx.en_crtc=1;
+			graphic_ctrl.f_w32xx.en_graphic_req=1;
+			graphic_ctrl.f_w32xx.en_graphic_crtc=1;
+			graphic_ctrl.f_w32xx.lcd_pclk_on=1;
+			graphic_ctrl.f_w32xx.lcd_sclk_on=1;
+			graphic_ctrl.f_w32xx.low_power_on=0;
+			graphic_ctrl.f_w32xx.req_freq=0;
+			graphic_ctrl.f_w32xx.total_req_graphic=par->mode->xres >> 1; /* panel xres, not mode */
+			graphic_ctrl.f_w32xx.portrait_mode=rot;
+			break;
+	}
+
+	/* Set the pixel clock source and divider */
+	w100_pwr_state.pclk_cntl.f.pclk_src_sel = par->mode->pixclk_src;
 	w100_pwr_state.pclk_cntl.f.pclk_post_div = divider;
 	writel((u32) (w100_pwr_state.pclk_cntl.val), remapped_regs + mmPCLK_CNTL);
 
-	writel(ctrl, remapped_regs + mmGRAPHIC_CTRL);
-	writel(offset, remapped_regs + mmGRAPHIC_OFFSET);
-	writel(pitch, remapped_regs + mmGRAPHIC_PITCH);
-
-	/* Re-enable display updates */
-	writel(0x0000007b, remapped_regs + mmDISP_DB_BUF_CNTL);
+	writel(graphic_ctrl.val, remapped_regs + mmGRAPHIC_CTRL);
+	writel(W100_FB_BASE + ((offset * BITS_PER_PIXEL/8)&~0x03UL), remapped_regs + mmGRAPHIC_OFFSET);
+	writel((par->xres*BITS_PER_PIXEL/8), remapped_regs + mmGRAPHIC_PITCH);
 }
 
 
-static void w100_init_vga_rotation(u16 deg)
+/*
+ * Work out how long the sync pulse lasts
+ * Value is 1/(time in seconds)
+ */
+static void calc_hsync(struct w100fb_par *par)
 {
-	switch(deg) {
-	case 0:
-		w100_set_vga_rotation_regs(0x02, 0x00DE1D66, 0x00800000, 0x000003c0);
-		break;
-	case 90:
-		w100_set_vga_rotation_regs(0x06, 0x00DE1D0e, 0x00895b00, 0x00000500);
-		break;
-	case 180:
-		w100_set_vga_rotation_regs(0x02, 0x00DE1D7e, 0x00895ffc, 0x000003c0);
-		break;
-	case 270:
-		w100_set_vga_rotation_regs(0x06, 0x00DE1D16, 0x008004fc, 0x00000500);
-		break;
-	default:
-		/* not-support */
-		break;
-	}
+	unsigned long hsync;
+	struct w100_mode *mode = par->mode;
+	union crtc_ss_u crtc_ss;
+
+	if (mode->pixclk_src == CLK_SRC_XTAL)
+		hsync=par->mach->xtal_freq;
+	else
+		hsync=((par->fastpll_mode && mode->fast_pll_freq) ? mode->fast_pll_freq : mode->pll_freq)*100000;
+
+	hsync /= (w100_pwr_state.pclk_cntl.f.pclk_post_div + 1);
+
+	crtc_ss.val = readl(remapped_regs + mmCRTC_SS);
+	if (crtc_ss.val)
+		par->hsync_len = hsync / (crtc_ss.f.ss_end-crtc_ss.f.ss_start);
+	else
+		par->hsync_len = 0;
 }
 
-
-static void w100_set_qvga_rotation_regs(unsigned long ctrl, unsigned long offset, unsigned long pitch)
-{
-	writel(ctrl, remapped_regs + mmGRAPHIC_CTRL);
-	writel(offset, remapped_regs + mmGRAPHIC_OFFSET);
-	writel(pitch, remapped_regs + mmGRAPHIC_PITCH);
-
-	/* Re-enable display updates */
-	writel(0x0000007b, remapped_regs + mmDISP_DB_BUF_CNTL);
-}
-
-
-static void w100_init_qvga_rotation(u16 deg)
-{
-	switch(deg) {
-	case 0:
-		w100_set_qvga_rotation_regs(0x00d41c06, 0x00800000, 0x000001e0);
-		break;
-	case 90:
-		w100_set_qvga_rotation_regs(0x00d41c0E, 0x00825580, 0x00000280);
-		break;
-	case 180:
-		w100_set_qvga_rotation_regs(0x00d41c1e, 0x008257fc, 0x000001e0);
-		break;
-	case 270:
-		w100_set_qvga_rotation_regs(0x00d41c16, 0x0080027c, 0x00000280);
-		break;
-	default:
-		/* not-support */
-		break;
-	}
-}
-
-
 static void w100_suspend(u32 mode)
 {
 	u32 val;
@@ -1387,30 +1377,28 @@ static void w100_suspend(u32 mode)
 	writel(0x00FF0000, remapped_regs + mmMC_PERF_MON_CNTL);
 
 	val = readl(remapped_regs + mmMEM_EXT_TIMING_CNTL);
-	val &= ~(0x00100000);	/* bit20=0 */
-	val |= 0xFF000000;	/* bit31:24=0xff */
+	val &= ~(0x00100000);  /* bit20=0 */
+	val |= 0xFF000000;     /* bit31:24=0xff */
 	writel(val, remapped_regs + mmMEM_EXT_TIMING_CNTL);
 
 	val = readl(remapped_regs + mmMEM_EXT_CNTL);
-	val &= ~(0x00040000);	/* bit18=0 */
-	val |= 0x00080000;	/* bit19=1 */
+	val &= ~(0x00040000);  /* bit18=0 */
+	val |= 0x00080000;     /* bit19=1 */
 	writel(val, remapped_regs + mmMEM_EXT_CNTL);
 
-	udelay(1);		/* wait 1us */
+	udelay(1);  /* wait 1us */
 
 	if (mode == W100_SUSPEND_EXTMEM) {
-
 		/* CKE: Tri-State */
 		val = readl(remapped_regs + mmMEM_EXT_CNTL);
-		val |= 0x40000000;	/* bit30=1 */
+		val |= 0x40000000;  /* bit30=1 */
 		writel(val, remapped_regs + mmMEM_EXT_CNTL);
 
 		/* CLK: Stop */
 		val = readl(remapped_regs + mmMEM_EXT_CNTL);
-		val &= ~(0x00000001);	/* bit0=0 */
+		val &= ~(0x00000001);  /* bit0=0 */
 		writel(val, remapped_regs + mmMEM_EXT_CNTL);
 	} else {
-
 		writel(0x00000000, remapped_regs + mmSCLK_CNTL);
 		writel(0x000000BF, remapped_regs + mmCLK_PIN_CNTL);
 		writel(0x00000015, remapped_regs + mmPWRMGT_CNTL);
@@ -1418,43 +1406,16 @@ static void w100_suspend(u32 mode)
 		udelay(5);
 
 		val = readl(remapped_regs + mmPLL_CNTL);
-		val |= 0x00000004;	/* bit2=1 */
+		val |= 0x00000004;  /* bit2=1 */
 		writel(val, remapped_regs + mmPLL_CNTL);
 		writel(0x0000001d, remapped_regs + mmPWRMGT_CNTL);
 	}
 }
 
-
-static void w100_resume(void)
-{
-	u32 temp32;
-
-	w100_hw_init();
-	w100_pwm_setup();
-
-	temp32 = readl(remapped_regs + mmDISP_DEBUG2);
-	temp32 &= 0xff7fffff;
-	temp32 |= 0x00800000;
-	writel(temp32, remapped_regs + mmDISP_DEBUG2);
-
-	if (current_par->lcdMode == LCD_MODE_480 || current_par->lcdMode == LCD_MODE_640) {
-		w100_init_sharp_lcd(LCD_SHARP_VGA);
-		if (current_par->lcdMode == LCD_MODE_640) {
-			w100_init_vga_rotation(current_par->rotation_flag ? 270 : 90);
-		}
-	} else {
-		w100_init_sharp_lcd(LCD_SHARP_QVGA);
-		if (current_par->lcdMode == LCD_MODE_320) {
-			w100_init_qvga_rotation(current_par->rotation_flag ? 270 : 90);
-		}
-	}
-}
-
-
 static void w100_vsync(void)
 {
 	u32 tmp;
-	int timeout = 30000; /* VSync timeout = 30[ms] > 16.8[ms] */
+	int timeout = 30000;  /* VSync timeout = 30[ms] > 16.8[ms] */
 
 	tmp = readl(remapped_regs + mmACTIVE_V_DISP);
 
@@ -1490,363 +1451,6 @@ static void w100_vsync(void)
 	writel(0x00000002, remapped_regs + mmGEN_INT_STATUS);
 }
 
-
-static void w100_InitExtMem(u32 mode)
-{
-	switch(mode) {
-	case LCD_SHARP_QVGA:
-		/* QVGA doesn't use external memory
-		   nothing to do, really. */
-		break;
-	case LCD_SHARP_VGA:
-		writel(0x00007800, remapped_regs + mmMC_BIST_CTRL);
-		writel(0x00040003, remapped_regs + mmMEM_EXT_CNTL);
-		writel(0x00200021, remapped_regs + mmMEM_SDRAM_MODE_REG);
-		udelay(100);
-		writel(0x80200021, remapped_regs + mmMEM_SDRAM_MODE_REG);
-		udelay(100);
-		writel(0x00650021, remapped_regs + mmMEM_SDRAM_MODE_REG);
-		udelay(100);
-		writel(0x10002a4a, remapped_regs + mmMEM_EXT_TIMING_CNTL);
-		writel(0x7ff87012, remapped_regs + mmMEM_IO_CNTL);
-		break;
-	default:
-		break;
-	}
-}
-
-
-#define RESCTL_ADRS     0x00
-#define PHACTRL_ADRS	0x01
-#define DUTYCTRL_ADRS	0x02
-#define POWERREG0_ADRS	0x03
-#define POWERREG1_ADRS	0x04
-#define GPOR3_ADRS		0x05
-#define PICTRL_ADRS     0x06
-#define POLCTRL_ADRS    0x07
-
-#define RESCTL_QVGA     0x01
-#define RESCTL_VGA      0x00
-
-#define POWER1_VW_ON	0x01	/* VW Supply FET ON */
-#define POWER1_GVSS_ON	0x02	/* GVSS(-8V) Power Supply ON */
-#define POWER1_VDD_ON	0x04	/* VDD(8V),SVSS(-4V) Power Supply ON */
-
-#define POWER1_VW_OFF	0x00	/* VW Supply FET OFF */
-#define POWER1_GVSS_OFF	0x00	/* GVSS(-8V) Power Supply OFF */
-#define POWER1_VDD_OFF	0x00	/* VDD(8V),SVSS(-4V) Power Supply OFF */
-
-#define POWER0_COM_DCLK	0x01	/* COM Voltage DC Bias DAC Serial Data Clock */
-#define POWER0_COM_DOUT	0x02	/* COM Voltage DC Bias DAC Serial Data Out */
-#define POWER0_DAC_ON	0x04	/* DAC Power Supply ON */
-#define POWER0_COM_ON	0x08	/* COM Powewr Supply ON */
-#define POWER0_VCC5_ON	0x10	/* VCC5 Power Supply ON */
-
-#define POWER0_DAC_OFF	0x00	/* DAC Power Supply OFF */
-#define POWER0_COM_OFF	0x00	/* COM Powewr Supply OFF */
-#define POWER0_VCC5_OFF	0x00	/* VCC5 Power Supply OFF */
-
-#define PICTRL_INIT_STATE	0x01
-#define PICTRL_INIOFF		0x02
-#define PICTRL_POWER_DOWN	0x04
-#define PICTRL_COM_SIGNAL_OFF	0x08
-#define PICTRL_DAC_SIGNAL_OFF	0x10
-
-#define PICTRL_POWER_ACTIVE	(0)
-
-#define POLCTRL_SYNC_POL_FALL	0x01
-#define POLCTRL_EN_POL_FALL	0x02
-#define POLCTRL_DATA_POL_FALL	0x04
-#define POLCTRL_SYNC_ACT_H	0x08
-#define POLCTRL_EN_ACT_L	0x10
-
-#define POLCTRL_SYNC_POL_RISE	0x00
-#define POLCTRL_EN_POL_RISE	0x00
-#define POLCTRL_DATA_POL_RISE	0x00
-#define POLCTRL_SYNC_ACT_L	0x00
-#define POLCTRL_EN_ACT_H	0x00
-
-#define PHACTRL_PHASE_MANUAL	0x01
-
-#define PHAD_QVGA_DEFAULT_VAL (9)
-#define COMADJ_DEFAULT        (125)
-
-static void lcdtg_ssp_send(u8 adrs, u8 data)
-{
-	w100fb_ssp_send(adrs,data);
-}
-
-/*
- * This is only a psuedo I2C interface. We can't use the standard kernel
- * routines as the interface is write only. We just assume the data is acked...
- */
-static void lcdtg_ssp_i2c_send(u8 data)
-{
-	lcdtg_ssp_send(POWERREG0_ADRS, data);
-	udelay(10);
-}
-
-static void lcdtg_i2c_send_bit(u8 data)
-{
-	lcdtg_ssp_i2c_send(data);
-	lcdtg_ssp_i2c_send(data | POWER0_COM_DCLK);
-	lcdtg_ssp_i2c_send(data);
-}
-
-static void lcdtg_i2c_send_start(u8 base)
-{
-	lcdtg_ssp_i2c_send(base | POWER0_COM_DCLK | POWER0_COM_DOUT);
-	lcdtg_ssp_i2c_send(base | POWER0_COM_DCLK);
-	lcdtg_ssp_i2c_send(base);
-}
-
-static void lcdtg_i2c_send_stop(u8 base)
-{
-	lcdtg_ssp_i2c_send(base);
-	lcdtg_ssp_i2c_send(base | POWER0_COM_DCLK);
-	lcdtg_ssp_i2c_send(base | POWER0_COM_DCLK | POWER0_COM_DOUT);
-}
-
-static void lcdtg_i2c_send_byte(u8 base, u8 data)
-{
-	int i;
-	for (i = 0; i < 8; i++) {
-		if (data & 0x80)
-			lcdtg_i2c_send_bit(base | POWER0_COM_DOUT);
-		else
-			lcdtg_i2c_send_bit(base);
-		data <<= 1;
-	}
-}
-
-static void lcdtg_i2c_wait_ack(u8 base)
-{
-	lcdtg_i2c_send_bit(base);
-}
-
-static void lcdtg_set_common_voltage(u8 base_data, u8 data)
-{
-	/* Set Common Voltage to M62332FP via I2C */
-	lcdtg_i2c_send_start(base_data);
-	lcdtg_i2c_send_byte(base_data, 0x9c);
-	lcdtg_i2c_wait_ack(base_data);
-	lcdtg_i2c_send_byte(base_data, 0x00);
-	lcdtg_i2c_wait_ack(base_data);
-	lcdtg_i2c_send_byte(base_data, data);
-	lcdtg_i2c_wait_ack(base_data);
-	lcdtg_i2c_send_stop(base_data);
-}
-
-static struct lcdtg_register_setting {
-	u8 adrs;
-	u8 data;
-	u32 wait;
-} lcdtg_power_on_table[] = {
-
-    /* Initialize Internal Logic & Port */
-    { PICTRL_ADRS,
-      PICTRL_POWER_DOWN | PICTRL_INIOFF | PICTRL_INIT_STATE |
-      PICTRL_COM_SIGNAL_OFF | PICTRL_DAC_SIGNAL_OFF,
-      0 },
-
-    { POWERREG0_ADRS,
-      POWER0_COM_DCLK | POWER0_COM_DOUT | POWER0_DAC_OFF | POWER0_COM_OFF |
-      POWER0_VCC5_OFF,
-      0 },
-
-    { POWERREG1_ADRS,
-      POWER1_VW_OFF | POWER1_GVSS_OFF | POWER1_VDD_OFF,
-      0 },
-
-    /* VDD(+8V),SVSS(-4V) ON */
-    { POWERREG1_ADRS,
-      POWER1_VW_OFF | POWER1_GVSS_OFF | POWER1_VDD_ON /* VDD ON */,
-      3000 },
-
-    /* DAC ON */
-    { POWERREG0_ADRS,
-      POWER0_COM_DCLK | POWER0_COM_DOUT | POWER0_DAC_ON /* DAC ON */ |
-      POWER0_COM_OFF | POWER0_VCC5_OFF,
-      0 },
-
-    /* INIB = H, INI = L  */
-    { PICTRL_ADRS,
-      /* PICTL[0] = H , PICTL[1] = PICTL[2] = PICTL[4] = L */
-      PICTRL_INIT_STATE | PICTRL_COM_SIGNAL_OFF,
-      0 },
-
-    /* Set Common Voltage */
-    { 0xfe, 0, 0 },
-
-    /* VCC5 ON */
-    { POWERREG0_ADRS,
-      POWER0_COM_DCLK | POWER0_COM_DOUT | POWER0_DAC_ON /* DAC ON */ |
-      POWER0_COM_OFF | POWER0_VCC5_ON /* VCC5 ON */,
-      0 },
-
-    /* GVSS(-8V) ON */
-    { POWERREG1_ADRS,
-      POWER1_VW_OFF | POWER1_GVSS_ON /* GVSS ON */ |
-      POWER1_VDD_ON /* VDD ON */,
-      2000 },
-
-    /* COM SIGNAL ON (PICTL[3] = L) */
-    { PICTRL_ADRS,
-      PICTRL_INIT_STATE,
-      0 },
-
-    /* COM ON */
-    { POWERREG0_ADRS,
-      POWER0_COM_DCLK | POWER0_COM_DOUT | POWER0_DAC_ON /* DAC ON */ |
-      POWER0_COM_ON /* COM ON */ | POWER0_VCC5_ON /* VCC5_ON */,
-      0 },
-
-    /* VW ON */
-    { POWERREG1_ADRS,
-      POWER1_VW_ON /* VW ON */ | POWER1_GVSS_ON /* GVSS ON */ |
-      POWER1_VDD_ON /* VDD ON */,
-      0 /* Wait 100ms */ },
-
-    /* Signals output enable */
-    { PICTRL_ADRS,
-      0 /* Signals output enable */,
-      0 },
-
-    { PHACTRL_ADRS,
-      PHACTRL_PHASE_MANUAL,
-      0 },
-
-    /* Initialize for Input Signals from ATI */
-    { POLCTRL_ADRS,
-      POLCTRL_SYNC_POL_RISE | POLCTRL_EN_POL_RISE | POLCTRL_DATA_POL_RISE |
-      POLCTRL_SYNC_ACT_L | POLCTRL_EN_ACT_H,
-      1000 /*100000*/ /* Wait 100ms */ },
-
-    /* end mark */
-    { 0xff, 0, 0 }
-};
-
-static void lcdtg_resume(void)
-{
-	if (current_par->lcdMode == LCD_MODE_480 || current_par->lcdMode == LCD_MODE_640) {
-		lcdtg_hw_init(LCD_SHARP_VGA);
-	} else {
-		lcdtg_hw_init(LCD_SHARP_QVGA);
-	}
-}
-
-static void lcdtg_suspend(void)
-{
-	int i;
-
-	for (i = 0; i < (current_par->xres * current_par->yres); i++) {
-		writew(0xffff, remapped_fbuf + (2*i));
-	}
-
-	/* 60Hz x 2 frame = 16.7msec x 2 = 33.4 msec */
-	mdelay(34);
-
-	/* (1)VW OFF */
-	lcdtg_ssp_send(POWERREG1_ADRS, POWER1_VW_OFF | POWER1_GVSS_ON | POWER1_VDD_ON);
-
-	/* (2)COM OFF */
-	lcdtg_ssp_send(PICTRL_ADRS, PICTRL_COM_SIGNAL_OFF);
-	lcdtg_ssp_send(POWERREG0_ADRS, POWER0_DAC_ON | POWER0_COM_OFF | POWER0_VCC5_ON);
-
-	/* (3)Set Common Voltage Bias 0V */
-	lcdtg_set_common_voltage(POWER0_DAC_ON | POWER0_COM_OFF | POWER0_VCC5_ON, 0);
-
-	/* (4)GVSS OFF */
-	lcdtg_ssp_send(POWERREG1_ADRS, POWER1_VW_OFF | POWER1_GVSS_OFF | POWER1_VDD_ON);
-
-	/* (5)VCC5 OFF */
-	lcdtg_ssp_send(POWERREG0_ADRS, POWER0_DAC_ON | POWER0_COM_OFF | POWER0_VCC5_OFF);
-
-	/* (6)Set PDWN, INIOFF, DACOFF */
-	lcdtg_ssp_send(PICTRL_ADRS, PICTRL_INIOFF | PICTRL_DAC_SIGNAL_OFF |
-			PICTRL_POWER_DOWN | PICTRL_COM_SIGNAL_OFF);
-
-	/* (7)DAC OFF */
-	lcdtg_ssp_send(POWERREG0_ADRS, POWER0_DAC_OFF | POWER0_COM_OFF | POWER0_VCC5_OFF);
-
-	/* (8)VDD OFF */
-	lcdtg_ssp_send(POWERREG1_ADRS, POWER1_VW_OFF | POWER1_GVSS_OFF | POWER1_VDD_OFF);
-
-}
-
-static void lcdtg_set_phadadj(u32 mode)
-{
-	int adj;
-
-	if (mode == LCD_SHARP_VGA) {
-		/* Setting for VGA */
-		adj = current_par->phadadj;
-		if (adj < 0) {
-			adj = PHACTRL_PHASE_MANUAL;
-		} else {
-			adj = ((adj & 0x0f) << 1) | PHACTRL_PHASE_MANUAL;
-		}
-	} else {
-		/* Setting for QVGA */
-		adj = (PHAD_QVGA_DEFAULT_VAL << 1) | PHACTRL_PHASE_MANUAL;
-	}
-	lcdtg_ssp_send(PHACTRL_ADRS, adj);
-}
-
-static void lcdtg_hw_init(u32 mode)
-{
-	int i;
-	int comadj;
-
-	i = 0;
-	while(lcdtg_power_on_table[i].adrs != 0xff) {
-		if (lcdtg_power_on_table[i].adrs == 0xfe) {
-			/* Set Common Voltage */
-			comadj = current_par->comadj;
-			if (comadj < 0) {
-				comadj = COMADJ_DEFAULT;
-			}
-			lcdtg_set_common_voltage((POWER0_DAC_ON | POWER0_COM_OFF | POWER0_VCC5_OFF), comadj);
-		} else if (lcdtg_power_on_table[i].adrs == PHACTRL_ADRS) {
-			/* Set Phase Adjuct */
-			lcdtg_set_phadadj(mode);
-		} else {
-			/* Other */
-			lcdtg_ssp_send(lcdtg_power_on_table[i].adrs, lcdtg_power_on_table[i].data);
-		}
-		if (lcdtg_power_on_table[i].wait != 0)
-			udelay(lcdtg_power_on_table[i].wait);
-		i++;
-	}
-
-	switch(mode) {
-	case LCD_SHARP_QVGA:
-		/* Set Lcd Resolution (QVGA) */
-		lcdtg_ssp_send(RESCTL_ADRS, RESCTL_QVGA);
-		break;
-	case LCD_SHARP_VGA:
-		/* Set Lcd Resolution (VGA) */
-		lcdtg_ssp_send(RESCTL_ADRS, RESCTL_VGA);
-		break;
-	default:
-		break;
-	}
-}
-
-static void lcdtg_lcd_change(u32 mode)
-{
-	/* Set Phase Adjuct */
-	lcdtg_set_phadadj(mode);
-
-	if (mode == LCD_SHARP_VGA)
-		/* Set Lcd Resolution (VGA) */
-		lcdtg_ssp_send(RESCTL_ADRS, RESCTL_VGA);
-	else if (mode == LCD_SHARP_QVGA)
-		/* Set Lcd Resolution (QVGA) */
-		lcdtg_ssp_send(RESCTL_ADRS, RESCTL_QVGA);
-}
-
-
 static struct device_driver w100fb_driver = {
 	.name		= "w100fb",
 	.bus		= &platform_bus_type,
@@ -1870,4 +1474,4 @@ module_init(w100fb_init);
 module_exit(w100fb_cleanup);
 
 MODULE_DESCRIPTION("ATI Imageon w100 framebuffer driver");
-MODULE_LICENSE("GPLv2");
+MODULE_LICENSE("GPL");
diff --git a/drivers/video/w100fb.h b/drivers/video/w100fb.h
index 41624f961237..7a58a1e3e427 100644
--- a/drivers/video/w100fb.h
+++ b/drivers/video/w100fb.h
@@ -5,9 +5,12 @@
  *
  * Copyright (C) 2002, ATI Corp.
  * Copyright (C) 2004-2005 Richard Purdie
+ * Copyright (c) 2005 Ian Molton <spyro@f2s.com>
  *
  * Modified to work with 2.6 by Richard Purdie <rpurdie@rpsys.net>
  *
+ * w32xx support by Ian Molton
+ *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
@@ -19,7 +22,7 @@
 
 /* Block CIF Start: */
 #define mmCHIP_ID           0x0000
-#define mmREVISION_ID		0x0004
+#define mmREVISION_ID       0x0004
 #define mmWRAP_BUF_A        0x0008
 #define mmWRAP_BUF_B        0x000C
 #define mmWRAP_TOP_DIR      0x0010
@@ -88,7 +91,7 @@
 #define mmDISP_DEBUG        0x04D4
 #define mmDISP_DB_BUF_CNTL  0x04D8
 #define mmDISP_CRC_SIG      0x04DC
-#define mmCRTC_DEFAULT_COUNT 	0x04E0
+#define mmCRTC_DEFAULT_COUNT    0x04E0
 #define mmLCD_BACKGROUND_COLOR  0x04E4
 #define mmCRTC_PS2          0x04E8
 #define mmCRTC_PS2_VPOS     0x04EC
@@ -119,17 +122,17 @@
 /* Block DISPLAY End: */
 
 /* Block GFX Start: */
-#define mmBRUSH_OFFSET      0x108C
-#define mmBRUSH_Y_X         0x1074
-#define mmDEFAULT_PITCH_OFFSET		0x10A0
-#define mmDEFAULT_SC_BOTTOM_RIGHT	0x10A8
-#define mmDEFAULT2_SC_BOTTOM_RIGHT	0x10AC
-#define mmGLOBAL_ALPHA      0x1210
-#define mmFILTER_COEF       0x1214
-#define mmMVC_CNTL_START    0x11E0
-#define mmE2_ARITHMETIC_CNTL	0x1220
-#define mmENG_CNTL          0x13E8
-#define mmENG_PERF_CNT      0x13F0
+#define mmBRUSH_OFFSET        0x108C
+#define mmBRUSH_Y_X           0x1074
+#define mmDEFAULT_PITCH_OFFSET      0x10A0
+#define mmDEFAULT_SC_BOTTOM_RIGHT   0x10A8
+#define mmDEFAULT2_SC_BOTTOM_RIGHT  0x10AC
+#define mmGLOBAL_ALPHA        0x1210
+#define mmFILTER_COEF         0x1214
+#define mmMVC_CNTL_START      0x11E0
+#define mmE2_ARITHMETIC_CNTL  0x1220
+#define mmENG_CNTL            0x13E8
+#define mmENG_PERF_CNT        0x13F0
 /* Block GFX End: */
 
 /* Block IDCT Start: */
@@ -141,22 +144,38 @@
 /* Block IDCT End: */
 
 /* Block MC Start: */
-#define mmMEM_CNTL          0x0180
-#define mmMEM_ARB           0x0184
-#define mmMC_FB_LOCATION    0x0188
-#define mmMEM_EXT_CNTL      0x018C
-#define mmMC_EXT_MEM_LOCATION   0x0190
-#define mmMEM_EXT_TIMING_CNTL   0x0194
-#define mmMEM_SDRAM_MODE_REG	0x0198
-#define mmMEM_IO_CNTL       0x019C
-#define mmMC_DEBUG          0x01A0
-#define mmMC_BIST_CTRL      0x01A4
-#define mmMC_BIST_COLLAR_READ  	0x01A8
-#define mmTC_MISMATCH       0x01AC
-#define mmMC_PERF_MON_CNTL  0x01B0
-#define mmMC_PERF_COUNTERS  0x01B4
+#define mmMEM_CNTL             0x0180
+#define mmMEM_ARB              0x0184
+#define mmMC_FB_LOCATION       0x0188
+#define mmMEM_EXT_CNTL         0x018C
+#define mmMC_EXT_MEM_LOCATION  0x0190
+#define mmMEM_EXT_TIMING_CNTL  0x0194
+#define mmMEM_SDRAM_MODE_REG   0x0198
+#define mmMEM_IO_CNTL          0x019C
+#define mmMC_DEBUG             0x01A0
+#define mmMC_BIST_CTRL         0x01A4
+#define mmMC_BIST_COLLAR_READ  0x01A8
+#define mmTC_MISMATCH          0x01AC
+#define mmMC_PERF_MON_CNTL     0x01B0
+#define mmMC_PERF_COUNTERS     0x01B4
 /* Block MC End: */
 
+/* Block BM Start: */
+#define mmBM_EXT_MEM_BANDWIDTH    0x0A00
+#define mmBM_OFFSET               0x0A04
+#define mmBM_MEM_EXT_TIMING_CNTL  0x0A08
+#define mmBM_MEM_EXT_CNTL         0x0A0C
+#define mmBM_MEM_MODE_REG         0x0A10
+#define mmBM_MEM_IO_CNTL          0x0A18
+#define mmBM_CONFIG               0x0A1C
+#define mmBM_STATUS               0x0A20
+#define mmBM_DEBUG                0x0A24
+#define mmBM_PERF_MON_CNTL        0x0A28
+#define mmBM_PERF_COUNTERS        0x0A2C
+#define mmBM_PERF2_MON_CNTL       0x0A30
+#define mmBM_PERF2_COUNTERS       0x0A34
+/* Block BM End: */
+
 /* Block RBBM Start: */
 #define mmWAIT_UNTIL        0x1400
 #define mmISYNC_CNTL        0x1404
@@ -176,439 +195,575 @@
 /* Block CG End: */
 
 /* default value definitions */
-#define defWRAP_TOP_DIR     0x00000000
-#define defWRAP_START_DIR	0x00000000
-#define defCFGREG_BASE      0x00000000
-#define defCIF_IO           0x000C0902
-#define defINTF_CNTL        0x00000011
-#define defCPU_DEFAULTS     0x00000006
-#define defHW_INT           0x00000000
-#define defMC_EXT_MEM_LOCATION            0x07ff0000
-#define defTC_MISMATCH      0x00000000
+#define defWRAP_TOP_DIR        0x00000000
+#define defWRAP_START_DIR      0x00000000
+#define defCFGREG_BASE         0x00000000
+#define defCIF_IO              0x000C0902
+#define defINTF_CNTL           0x00000011
+#define defCPU_DEFAULTS        0x00000006
+#define defHW_INT              0x00000000
+#define defMC_EXT_MEM_LOCATION 0x07ff0000
+#define defTC_MISMATCH         0x00000000
 
 #define W100_CFG_BASE          0x0
 #define W100_CFG_LEN           0x10
 #define W100_REG_BASE          0x10000
 #define W100_REG_LEN           0x2000
 #define MEM_INT_BASE_VALUE     0x100000
-#define MEM_INT_TOP_VALUE_W100 0x15ffff
 #define MEM_EXT_BASE_VALUE     0x800000
-#define MEM_EXT_TOP_VALUE      0x9fffff
+#define MEM_INT_SIZE           0x05ffff
+#define MEM_WINDOW_BASE        0x100000
+#define MEM_WINDOW_SIZE        0xf00000
+
 #define WRAP_BUF_BASE_VALUE    0x80000
 #define WRAP_BUF_TOP_VALUE     0xbffff
 
+#define CHIP_ID_W100           0x57411002
+#define CHIP_ID_W3200          0x56441002
+#define CHIP_ID_W3220          0x57441002
 
-/* data structure definitions */
+/* Register structure definitions */
 
 struct wrap_top_dir_t {
-     unsigned long top_addr         : 23;
-     unsigned long    				: 9;
+	unsigned long top_addr  : 23;
+	unsigned long           : 9;
 } __attribute__((packed));
 
 union wrap_top_dir_u {
-     unsigned long val : 32;
-     struct wrap_top_dir_t f;
+	unsigned long val : 32;
+	struct wrap_top_dir_t f;
 } __attribute__((packed));
 
 struct wrap_start_dir_t {
-     unsigned long start_addr       : 23;
-     unsigned long    				: 9;
+	unsigned long start_addr : 23;
+	unsigned long            : 9;
 } __attribute__((packed));
 
 union wrap_start_dir_u {
-     unsigned long val : 32;
-     struct wrap_start_dir_t f;
+	unsigned long val : 32;
+	struct wrap_start_dir_t f;
 } __attribute__((packed));
 
 struct cif_cntl_t {
-     unsigned long swap_reg         		: 2;
-     unsigned long swap_fbuf_1      		: 2;
-     unsigned long swap_fbuf_2      		: 2;
-     unsigned long swap_fbuf_3      		: 2;
-     unsigned long pmi_int_disable  		: 1;
-     unsigned long pmi_schmen_disable       : 1;
-     unsigned long intb_oe          		: 1;
-     unsigned long en_wait_to_compensate_dq_prop_dly : 1;
-     unsigned long compensate_wait_rd_size  : 2;
-     unsigned long wait_asserted_timeout_val      : 2;
-     unsigned long wait_masked_val  		: 2;
-     unsigned long en_wait_timeout  		: 1;
-     unsigned long en_one_clk_setup_before_wait   : 1;
-     unsigned long interrupt_active_high    : 1;
-     unsigned long en_overwrite_straps      : 1;
-     unsigned long strap_wait_active_hi     : 1;
-     unsigned long lat_busy_count   		: 2;
-     unsigned long lat_rd_pm4_sclk_busy     : 1;
-     unsigned long dis_system_bits  		: 1;
-     unsigned long dis_mr           		: 1;
-     unsigned long cif_spare_1      		: 4;
+	unsigned long swap_reg                 : 2;
+	unsigned long swap_fbuf_1              : 2;
+	unsigned long swap_fbuf_2              : 2;
+	unsigned long swap_fbuf_3              : 2;
+	unsigned long pmi_int_disable          : 1;
+	unsigned long pmi_schmen_disable       : 1;
+	unsigned long intb_oe                  : 1;
+	unsigned long en_wait_to_compensate_dq_prop_dly  : 1;
+	unsigned long compensate_wait_rd_size  : 2;
+	unsigned long wait_asserted_timeout_val  : 2;
+	unsigned long wait_masked_val          : 2;
+	unsigned long en_wait_timeout          : 1;
+	unsigned long en_one_clk_setup_before_wait  : 1;
+	unsigned long interrupt_active_high    : 1;
+	unsigned long en_overwrite_straps      : 1;
+	unsigned long strap_wait_active_hi     : 1;
+	unsigned long lat_busy_count           : 2;
+	unsigned long lat_rd_pm4_sclk_busy     : 1;
+	unsigned long dis_system_bits          : 1;
+	unsigned long dis_mr                   : 1;
+	unsigned long cif_spare_1              : 4;
 } __attribute__((packed));
 
 union cif_cntl_u {
-     unsigned long val : 32;
-     struct cif_cntl_t f;
+	unsigned long val : 32;
+	struct cif_cntl_t f;
 } __attribute__((packed));
 
 struct cfgreg_base_t {
-     unsigned long cfgreg_base      : 24;
-     unsigned long    				: 8;
+	unsigned long cfgreg_base  : 24;
+	unsigned long              : 8;
 } __attribute__((packed));
 
 union cfgreg_base_u {
-     unsigned long val : 32;
-     struct cfgreg_base_t f;
+	unsigned long val : 32;
+	struct cfgreg_base_t f;
 } __attribute__((packed));
 
 struct cif_io_t {
-     unsigned long dq_srp           : 1;
-     unsigned long dq_srn           : 1;
-     unsigned long dq_sp            : 4;
-     unsigned long dq_sn            : 4;
-     unsigned long waitb_srp        : 1;
-     unsigned long waitb_srn        : 1;
-     unsigned long waitb_sp         : 4;
-     unsigned long waitb_sn         : 4;
-     unsigned long intb_srp         : 1;
-     unsigned long intb_srn         : 1;
-     unsigned long intb_sp          : 4;
-     unsigned long intb_sn          : 4;
-     unsigned long    				: 2;
+	unsigned long dq_srp     : 1;
+	unsigned long dq_srn     : 1;
+	unsigned long dq_sp      : 4;
+	unsigned long dq_sn      : 4;
+	unsigned long waitb_srp  : 1;
+	unsigned long waitb_srn  : 1;
+	unsigned long waitb_sp   : 4;
+	unsigned long waitb_sn   : 4;
+	unsigned long intb_srp   : 1;
+	unsigned long intb_srn   : 1;
+	unsigned long intb_sp    : 4;
+	unsigned long intb_sn    : 4;
+	unsigned long            : 2;
 } __attribute__((packed));
 
 union cif_io_u {
-     unsigned long val : 32;
-     struct cif_io_t f;
+	unsigned long val : 32;
+	struct cif_io_t f;
 } __attribute__((packed));
 
 struct cif_read_dbg_t {
-     unsigned long unpacker_pre_fetch_trig_gen  : 2;
-     unsigned long dly_second_rd_fetch_trig     : 1;
-     unsigned long rst_rd_burst_id  			: 1;
-     unsigned long dis_rd_burst_id  			: 1;
-     unsigned long en_block_rd_when_packer_is_not_emp : 1;
-     unsigned long dis_pre_fetch_cntl_sm        : 1;
-     unsigned long rbbm_chrncy_dis  			: 1;
-     unsigned long rbbm_rd_after_wr_lat         : 2;
-     unsigned long dis_be_during_rd 			: 1;
-     unsigned long one_clk_invalidate_pulse     : 1;
-     unsigned long dis_chnl_priority			: 1;
-     unsigned long rst_read_path_a_pls          : 1;
-     unsigned long rst_read_path_b_pls          : 1;
-     unsigned long dis_reg_rd_fetch_trig        : 1;
-     unsigned long dis_rd_fetch_trig_from_ind_addr : 1;
-     unsigned long dis_rd_same_byte_to_trig_fetch : 1;
-     unsigned long dis_dir_wrap     			: 1;
-     unsigned long dis_ring_buf_to_force_dec    : 1;
-     unsigned long dis_addr_comp_in_16bit       : 1;
-     unsigned long clr_w            			: 1;
-     unsigned long err_rd_tag_is_3  			: 1;
-     unsigned long err_load_when_ful_a          : 1;
-     unsigned long err_load_when_ful_b          : 1;
-     unsigned long    							: 7;
+	unsigned long unpacker_pre_fetch_trig_gen  : 2;
+	unsigned long dly_second_rd_fetch_trig     : 1;
+	unsigned long rst_rd_burst_id              : 1;
+	unsigned long dis_rd_burst_id              : 1;
+	unsigned long en_block_rd_when_packer_is_not_emp : 1;
+	unsigned long dis_pre_fetch_cntl_sm        : 1;
+	unsigned long rbbm_chrncy_dis              : 1;
+	unsigned long rbbm_rd_after_wr_lat         : 2;
+	unsigned long dis_be_during_rd             : 1;
+	unsigned long one_clk_invalidate_pulse     : 1;
+	unsigned long dis_chnl_priority            : 1;
+	unsigned long rst_read_path_a_pls          : 1;
+	unsigned long rst_read_path_b_pls          : 1;
+	unsigned long dis_reg_rd_fetch_trig        : 1;
+	unsigned long dis_rd_fetch_trig_from_ind_addr : 1;
+	unsigned long dis_rd_same_byte_to_trig_fetch : 1;
+	unsigned long dis_dir_wrap                 : 1;
+	unsigned long dis_ring_buf_to_force_dec    : 1;
+	unsigned long dis_addr_comp_in_16bit       : 1;
+	unsigned long clr_w                        : 1;
+	unsigned long err_rd_tag_is_3              : 1;
+	unsigned long err_load_when_ful_a          : 1;
+	unsigned long err_load_when_ful_b          : 1;
+	unsigned long                              : 7;
 } __attribute__((packed));
 
 union cif_read_dbg_u {
-     unsigned long val : 32;
-     struct cif_read_dbg_t f;
+	unsigned long val : 32;
+	struct cif_read_dbg_t f;
 } __attribute__((packed));
 
 struct cif_write_dbg_t {
-     unsigned long packer_timeout_count           : 2;
-     unsigned long en_upper_load_cond             : 1;
-     unsigned long en_chnl_change_cond            : 1;
-     unsigned long dis_addr_comp_cond             : 1;
-     unsigned long dis_load_same_byte_addr_cond   : 1;
-     unsigned long dis_timeout_cond 			  : 1;
-     unsigned long dis_timeout_during_rbbm        : 1;
-     unsigned long dis_packer_ful_during_rbbm_timeout : 1;
-     unsigned long en_dword_split_to_rbbm         : 1;
-     unsigned long en_dummy_val     			  : 1;
-     unsigned long dummy_val_sel    			  : 1;
-     unsigned long mask_pm4_wrptr_dec             : 1;
-     unsigned long dis_mc_clean_cond			  : 1;
-     unsigned long err_two_reqi_during_ful        : 1;
-     unsigned long err_reqi_during_idle_clk       : 1;
-     unsigned long err_global       			  : 1;
-     unsigned long en_wr_buf_dbg_load             : 1;
-     unsigned long en_wr_buf_dbg_path             : 1;
-     unsigned long sel_wr_buf_byte  			  : 3;
-     unsigned long dis_rd_flush_wr  			  : 1;
-     unsigned long dis_packer_ful_cond            : 1;
-     unsigned long dis_invalidate_by_ops_chnl     : 1;
-     unsigned long en_halt_when_reqi_err          : 1;
-     unsigned long cif_spare_2      			  : 5;
-     unsigned long    							  : 1;
+	unsigned long packer_timeout_count          : 2;
+	unsigned long en_upper_load_cond            : 1;
+	unsigned long en_chnl_change_cond           : 1;
+	unsigned long dis_addr_comp_cond            : 1;
+	unsigned long dis_load_same_byte_addr_cond  : 1;
+	unsigned long dis_timeout_cond              : 1;
+	unsigned long dis_timeout_during_rbbm       : 1;
+	unsigned long dis_packer_ful_during_rbbm_timeout : 1;
+	unsigned long en_dword_split_to_rbbm        : 1;
+	unsigned long en_dummy_val                  : 1;
+	unsigned long dummy_val_sel                 : 1;
+	unsigned long mask_pm4_wrptr_dec            : 1;
+	unsigned long dis_mc_clean_cond             : 1;
+	unsigned long err_two_reqi_during_ful       : 1;
+	unsigned long err_reqi_during_idle_clk      : 1;
+	unsigned long err_global                    : 1;
+	unsigned long en_wr_buf_dbg_load            : 1;
+	unsigned long en_wr_buf_dbg_path            : 1;
+	unsigned long sel_wr_buf_byte               : 3;
+	unsigned long dis_rd_flush_wr               : 1;
+	unsigned long dis_packer_ful_cond           : 1;
+	unsigned long dis_invalidate_by_ops_chnl    : 1;
+	unsigned long en_halt_when_reqi_err         : 1;
+	unsigned long cif_spare_2                   : 5;
+	unsigned long                               : 1;
 } __attribute__((packed));
 
 union cif_write_dbg_u {
-     unsigned long val : 32;
-     struct cif_write_dbg_t f;
+	unsigned long val : 32;
+	struct cif_write_dbg_t f;
 } __attribute__((packed));
 
 
 struct intf_cntl_t {
-     unsigned char ad_inc_a            : 1;
-     unsigned char ring_buf_a          : 1;
-     unsigned char rd_fetch_trigger_a  : 1;
-     unsigned char rd_data_rdy_a       : 1;
-     unsigned char ad_inc_b            : 1;
-     unsigned char ring_buf_b          : 1;
-     unsigned char rd_fetch_trigger_b  : 1;
-     unsigned char rd_data_rdy_b       : 1;
+	unsigned char ad_inc_a            : 1;
+	unsigned char ring_buf_a          : 1;
+	unsigned char rd_fetch_trigger_a  : 1;
+	unsigned char rd_data_rdy_a       : 1;
+	unsigned char ad_inc_b            : 1;
+	unsigned char ring_buf_b          : 1;
+	unsigned char rd_fetch_trigger_b  : 1;
+	unsigned char rd_data_rdy_b       : 1;
 } __attribute__((packed));
 
 union intf_cntl_u {
-     unsigned char val : 8;
-     struct intf_cntl_t f;
+	unsigned char val : 8;
+	struct intf_cntl_t f;
 } __attribute__((packed));
 
 struct cpu_defaults_t {
-     unsigned char unpack_rd_data   : 1;
-     unsigned char access_ind_addr_a: 1;
-     unsigned char access_ind_addr_b: 1;
-     unsigned char access_scratch_reg             : 1;
-     unsigned char pack_wr_data     : 1;
-     unsigned char transition_size  : 1;
-     unsigned char en_read_buf_mode : 1;
-     unsigned char rd_fetch_scratch : 1;
+	unsigned char unpack_rd_data     : 1;
+	unsigned char access_ind_addr_a  : 1;
+	unsigned char access_ind_addr_b  : 1;
+	unsigned char access_scratch_reg : 1;
+	unsigned char pack_wr_data       : 1;
+	unsigned char transition_size    : 1;
+	unsigned char en_read_buf_mode   : 1;
+	unsigned char rd_fetch_scratch   : 1;
 } __attribute__((packed));
 
 union cpu_defaults_u {
-     unsigned char val : 8;
-     struct cpu_defaults_t f;
+	unsigned char val : 8;
+	struct cpu_defaults_t f;
+} __attribute__((packed));
+
+struct crtc_total_t {
+	unsigned long crtc_h_total : 10;
+	unsigned long              : 6;
+	unsigned long crtc_v_total : 10;
+	unsigned long              : 6;
+} __attribute__((packed));
+
+union crtc_total_u {
+	unsigned long val : 32;
+	struct crtc_total_t f;
+} __attribute__((packed));
+
+struct crtc_ss_t {
+	unsigned long ss_start    : 10;
+	unsigned long             : 6;
+	unsigned long ss_end      : 10;
+	unsigned long             : 2;
+	unsigned long ss_align    : 1;
+	unsigned long ss_pol      : 1;
+	unsigned long ss_run_mode : 1;
+	unsigned long ss_en       : 1;
+} __attribute__((packed));
+
+union crtc_ss_u {
+	unsigned long val : 32;
+	struct crtc_ss_t f;
+} __attribute__((packed));
+
+struct active_h_disp_t {
+	unsigned long active_h_start  : 10;
+	unsigned long                 : 6;
+	unsigned long active_h_end    : 10;
+	unsigned long                 : 6;
+} __attribute__((packed));
+
+union active_h_disp_u {
+	unsigned long val : 32;
+	struct active_h_disp_t f;
+} __attribute__((packed));
+
+struct active_v_disp_t {
+	unsigned long active_v_start  : 10;
+	unsigned long                 : 6;
+	unsigned long active_v_end    : 10;
+	unsigned long                 : 6;
+} __attribute__((packed));
+
+union active_v_disp_u {
+	unsigned long val : 32;
+	struct active_v_disp_t f;
+} __attribute__((packed));
+
+struct graphic_h_disp_t {
+	unsigned long graphic_h_start : 10;
+	unsigned long                 : 6;
+	unsigned long graphic_h_end   : 10;
+	unsigned long                 : 6;
+} __attribute__((packed));
+
+union graphic_h_disp_u {
+	unsigned long val : 32;
+	struct graphic_h_disp_t f;
+} __attribute__((packed));
+
+struct graphic_v_disp_t {
+	unsigned long graphic_v_start : 10;
+	unsigned long                 : 6;
+	unsigned long graphic_v_end   : 10;
+	unsigned long                 : 6;
+} __attribute__((packed));
+
+union graphic_v_disp_u{
+	unsigned long val : 32;
+	struct graphic_v_disp_t f;
+} __attribute__((packed));
+
+struct graphic_ctrl_t_w100 {
+	unsigned long color_depth       : 3;
+	unsigned long portrait_mode     : 2;
+	unsigned long low_power_on      : 1;
+	unsigned long req_freq          : 4;
+	unsigned long en_crtc           : 1;
+	unsigned long en_graphic_req    : 1;
+	unsigned long en_graphic_crtc   : 1;
+	unsigned long total_req_graphic : 9;
+	unsigned long lcd_pclk_on       : 1;
+	unsigned long lcd_sclk_on       : 1;
+	unsigned long pclk_running      : 1;
+	unsigned long sclk_running      : 1;
+	unsigned long                   : 6;
+} __attribute__((packed));
+
+struct graphic_ctrl_t_w32xx {
+	unsigned long color_depth       : 3;
+	unsigned long portrait_mode     : 2;
+	unsigned long low_power_on      : 1;
+	unsigned long req_freq          : 4;
+	unsigned long en_crtc           : 1;
+	unsigned long en_graphic_req    : 1;
+	unsigned long en_graphic_crtc   : 1;
+	unsigned long total_req_graphic : 10;
+	unsigned long lcd_pclk_on       : 1;
+	unsigned long lcd_sclk_on       : 1;
+	unsigned long pclk_running      : 1;
+	unsigned long sclk_running      : 1;
+	unsigned long                   : 5;
+} __attribute__((packed));
+
+union graphic_ctrl_u {
+	unsigned long val : 32;
+	struct graphic_ctrl_t_w100 f_w100;
+	struct graphic_ctrl_t_w32xx f_w32xx;
 } __attribute__((packed));
 
 struct video_ctrl_t {
-     unsigned long video_mode       : 1;
-     unsigned long keyer_en         : 1;
-     unsigned long en_video_req     : 1;
-     unsigned long en_graphic_req_video           : 1;
-     unsigned long en_video_crtc    : 1;
-     unsigned long video_hor_exp    : 2;
-     unsigned long video_ver_exp    : 2;
-     unsigned long uv_combine       : 1;
-     unsigned long total_req_video  : 9;
-     unsigned long video_ch_sel     : 1;
-     unsigned long video_portrait   : 2;
-     unsigned long yuv2rgb_en       : 1;
-     unsigned long yuv2rgb_option   : 1;
-     unsigned long video_inv_hor    : 1;
-     unsigned long video_inv_ver    : 1;
-     unsigned long gamma_sel        : 2;
-     unsigned long dis_limit        : 1;
-     unsigned long en_uv_hblend     : 1;
-     unsigned long rgb_gamma_sel    : 2;
+	unsigned long video_mode       : 1;
+	unsigned long keyer_en         : 1;
+	unsigned long en_video_req     : 1;
+	unsigned long en_graphic_req_video  : 1;
+	unsigned long en_video_crtc    : 1;
+	unsigned long video_hor_exp    : 2;
+	unsigned long video_ver_exp    : 2;
+	unsigned long uv_combine       : 1;
+	unsigned long total_req_video  : 9;
+	unsigned long video_ch_sel     : 1;
+	unsigned long video_portrait   : 2;
+	unsigned long yuv2rgb_en       : 1;
+	unsigned long yuv2rgb_option   : 1;
+	unsigned long video_inv_hor    : 1;
+	unsigned long video_inv_ver    : 1;
+	unsigned long gamma_sel        : 2;
+	unsigned long dis_limit        : 1;
+	unsigned long en_uv_hblend     : 1;
+	unsigned long rgb_gamma_sel    : 2;
 } __attribute__((packed));
 
 union video_ctrl_u {
-     unsigned long val : 32;
-     struct video_ctrl_t f;
+	unsigned long val : 32;
+	struct video_ctrl_t f;
 } __attribute__((packed));
 
 struct disp_db_buf_cntl_rd_t {
-     unsigned long en_db_buf        	: 1;
-     unsigned long update_db_buf_done   : 1;
-     unsigned long db_buf_cntl      	: 6;
-     unsigned long    					: 24;
+	unsigned long en_db_buf           : 1;
+	unsigned long update_db_buf_done  : 1;
+	unsigned long db_buf_cntl         : 6;
+	unsigned long                     : 24;
 } __attribute__((packed));
 
 union disp_db_buf_cntl_rd_u {
-     unsigned long val : 32;
-     struct disp_db_buf_cntl_rd_t f;
+	unsigned long val : 32;
+	struct disp_db_buf_cntl_rd_t f;
 } __attribute__((packed));
 
 struct disp_db_buf_cntl_wr_t {
-     unsigned long en_db_buf        : 1;
-     unsigned long update_db_buf    : 1;
-     unsigned long db_buf_cntl      : 6;
-     unsigned long    : 24;
+	unsigned long en_db_buf      : 1;
+	unsigned long update_db_buf  : 1;
+	unsigned long db_buf_cntl    : 6;
+	unsigned long                : 24;
 } __attribute__((packed));
 
 union disp_db_buf_cntl_wr_u {
-     unsigned long val : 32;
-     struct disp_db_buf_cntl_wr_t f;
+	unsigned long val : 32;
+	struct disp_db_buf_cntl_wr_t f;
 } __attribute__((packed));
 
 struct gamma_value1_t {
-     unsigned long gamma1           : 8;
-     unsigned long gamma2           : 8;
-     unsigned long gamma3           : 8;
-     unsigned long gamma4           : 8;
+	unsigned long gamma1   : 8;
+	unsigned long gamma2   : 8;
+	unsigned long gamma3   : 8;
+	unsigned long gamma4   : 8;
 } __attribute__((packed));
 
 union gamma_value1_u {
-     unsigned long val : 32;
-     struct gamma_value1_t f;
+	unsigned long val : 32;
+	struct gamma_value1_t f;
 } __attribute__((packed));
 
 struct gamma_value2_t {
-     unsigned long gamma5           : 8;
-     unsigned long gamma6           : 8;
-     unsigned long gamma7           : 8;
-     unsigned long gamma8           : 8;
+	unsigned long gamma5   : 8;
+	unsigned long gamma6   : 8;
+	unsigned long gamma7   : 8;
+	unsigned long gamma8   : 8;
 } __attribute__((packed));
 
 union gamma_value2_u {
-     unsigned long val : 32;
-     struct gamma_value2_t f;
+	unsigned long val : 32;
+	struct gamma_value2_t f;
 } __attribute__((packed));
 
 struct gamma_slope_t {
-     unsigned long slope1           : 3;
-     unsigned long slope2           : 3;
-     unsigned long slope3           : 3;
-     unsigned long slope4           : 3;
-     unsigned long slope5           : 3;
-     unsigned long slope6           : 3;
-     unsigned long slope7           : 3;
-     unsigned long slope8           : 3;
-     unsigned long    				: 8;
+	unsigned long slope1   : 3;
+	unsigned long slope2   : 3;
+	unsigned long slope3   : 3;
+	unsigned long slope4   : 3;
+	unsigned long slope5   : 3;
+	unsigned long slope6   : 3;
+	unsigned long slope7   : 3;
+	unsigned long slope8   : 3;
+	unsigned long          : 8;
 } __attribute__((packed));
 
 union gamma_slope_u {
-     unsigned long val : 32;
-     struct gamma_slope_t f;
+	unsigned long val : 32;
+	struct gamma_slope_t f;
 } __attribute__((packed));
 
 struct mc_ext_mem_location_t {
-     unsigned long mc_ext_mem_start : 16;
-     unsigned long mc_ext_mem_top   : 16;
+	unsigned long mc_ext_mem_start : 16;
+	unsigned long mc_ext_mem_top   : 16;
 } __attribute__((packed));
 
 union mc_ext_mem_location_u {
-     unsigned long val : 32;
-     struct mc_ext_mem_location_t f;
+	unsigned long val : 32;
+	struct mc_ext_mem_location_t f;
+} __attribute__((packed));
+
+struct mc_fb_location_t {
+	unsigned long mc_fb_start      : 16;
+	unsigned long mc_fb_top        : 16;
+} __attribute__((packed));
+
+union mc_fb_location_u {
+	unsigned long val : 32;
+	struct mc_fb_location_t f;
 } __attribute__((packed));
 
 struct clk_pin_cntl_t {
-     unsigned long osc_en           : 1;
-     unsigned long osc_gain         : 5;
-     unsigned long dont_use_xtalin  : 1;
-     unsigned long xtalin_pm_en     : 1;
-     unsigned long xtalin_dbl_en    : 1;
-     unsigned long    				: 7;
-     unsigned long cg_debug         : 16;
+	unsigned long osc_en           : 1;
+	unsigned long osc_gain         : 5;
+	unsigned long dont_use_xtalin  : 1;
+	unsigned long xtalin_pm_en     : 1;
+	unsigned long xtalin_dbl_en    : 1;
+	unsigned long                  : 7;
+	unsigned long cg_debug         : 16;
 } __attribute__((packed));
 
 union clk_pin_cntl_u {
-     unsigned long val : 32;
-     struct clk_pin_cntl_t f;
+	unsigned long val : 32;
+	struct clk_pin_cntl_t f;
 } __attribute__((packed));
 
 struct pll_ref_fb_div_t {
-     unsigned long pll_ref_div      : 4;
-     unsigned long    				: 4;
-     unsigned long pll_fb_div_int   : 6;
-     unsigned long    				: 2;
-     unsigned long pll_fb_div_frac  : 3;
-     unsigned long    				: 1;
-     unsigned long pll_reset_time   : 4;
-     unsigned long pll_lock_time    : 8;
+	unsigned long pll_ref_div      : 4;
+	unsigned long                  : 4;
+	unsigned long pll_fb_div_int   : 6;
+	unsigned long                  : 2;
+	unsigned long pll_fb_div_frac  : 3;
+	unsigned long                  : 1;
+	unsigned long pll_reset_time   : 4;
+	unsigned long pll_lock_time    : 8;
 } __attribute__((packed));
 
 union pll_ref_fb_div_u {
-     unsigned long val : 32;
-     struct pll_ref_fb_div_t f;
+	unsigned long val : 32;
+	struct pll_ref_fb_div_t f;
 } __attribute__((packed));
 
 struct pll_cntl_t {
-     unsigned long pll_pwdn         : 1;
-     unsigned long pll_reset        : 1;
-     unsigned long pll_pm_en        : 1;
-     unsigned long pll_mode         : 1;
-     unsigned long pll_refclk_sel   : 1;
-     unsigned long pll_fbclk_sel    : 1;
-     unsigned long pll_tcpoff       : 1;
-     unsigned long pll_pcp          : 3;
-     unsigned long pll_pvg          : 3;
-     unsigned long pll_vcofr        : 1;
-     unsigned long pll_ioffset      : 2;
-     unsigned long pll_pecc_mode    : 2;
-     unsigned long pll_pecc_scon    : 2;
-     unsigned long pll_dactal       : 4;
-     unsigned long pll_cp_clip      : 2;
-     unsigned long pll_conf         : 3;
-     unsigned long pll_mbctrl       : 2;
-     unsigned long pll_ring_off     : 1;
+	unsigned long pll_pwdn        : 1;
+	unsigned long pll_reset       : 1;
+	unsigned long pll_pm_en       : 1;
+	unsigned long pll_mode        : 1;
+	unsigned long pll_refclk_sel  : 1;
+	unsigned long pll_fbclk_sel   : 1;
+	unsigned long pll_tcpoff      : 1;
+	unsigned long pll_pcp         : 3;
+	unsigned long pll_pvg         : 3;
+	unsigned long pll_vcofr       : 1;
+	unsigned long pll_ioffset     : 2;
+	unsigned long pll_pecc_mode   : 2;
+	unsigned long pll_pecc_scon   : 2;
+	unsigned long pll_dactal      : 4;
+	unsigned long pll_cp_clip     : 2;
+	unsigned long pll_conf        : 3;
+	unsigned long pll_mbctrl      : 2;
+	unsigned long pll_ring_off    : 1;
 } __attribute__((packed));
 
 union pll_cntl_u {
-     unsigned long val : 32;
-     struct pll_cntl_t f;
+	unsigned long val : 32;
+	struct pll_cntl_t f;
 } __attribute__((packed));
 
 struct sclk_cntl_t {
-     unsigned long sclk_src_sel     	: 2;
-     unsigned long    					: 2;
-     unsigned long sclk_post_div_fast   : 4;
-     unsigned long sclk_clkon_hys   	: 3;
-     unsigned long sclk_post_div_slow   : 4;
-     unsigned long disp_cg_ok2switch_en : 1;
-     unsigned long sclk_force_reg   	: 1;
-     unsigned long sclk_force_disp  	: 1;
-     unsigned long sclk_force_mc    	: 1;
-     unsigned long sclk_force_extmc 	: 1;
-     unsigned long sclk_force_cp    	: 1;
-     unsigned long sclk_force_e2    	: 1;
-     unsigned long sclk_force_e3    	: 1;
-     unsigned long sclk_force_idct  	: 1;
-     unsigned long sclk_force_bist  	: 1;
-     unsigned long busy_extend_cp   	: 1;
-     unsigned long busy_extend_e2   	: 1;
-     unsigned long busy_extend_e3   	: 1;
-     unsigned long busy_extend_idct 	: 1;
-     unsigned long    					: 3;
+	unsigned long sclk_src_sel         : 2;
+	unsigned long                      : 2;
+	unsigned long sclk_post_div_fast   : 4;
+	unsigned long sclk_clkon_hys       : 3;
+	unsigned long sclk_post_div_slow   : 4;
+	unsigned long disp_cg_ok2switch_en : 1;
+	unsigned long sclk_force_reg       : 1;
+	unsigned long sclk_force_disp      : 1;
+	unsigned long sclk_force_mc        : 1;
+	unsigned long sclk_force_extmc     : 1;
+	unsigned long sclk_force_cp        : 1;
+	unsigned long sclk_force_e2        : 1;
+	unsigned long sclk_force_e3        : 1;
+	unsigned long sclk_force_idct      : 1;
+	unsigned long sclk_force_bist      : 1;
+	unsigned long busy_extend_cp       : 1;
+	unsigned long busy_extend_e2       : 1;
+	unsigned long busy_extend_e3       : 1;
+	unsigned long busy_extend_idct     : 1;
+	unsigned long                      : 3;
 } __attribute__((packed));
 
 union sclk_cntl_u {
-     unsigned long val : 32;
-     struct sclk_cntl_t f;
+	unsigned long val : 32;
+	struct sclk_cntl_t f;
 } __attribute__((packed));
 
 struct pclk_cntl_t {
-     unsigned long pclk_src_sel     : 2;
-     unsigned long    				: 2;
-     unsigned long pclk_post_div    : 4;
-     unsigned long    				: 8;
-     unsigned long pclk_force_disp  : 1;
-     unsigned long    				: 15;
+	unsigned long pclk_src_sel     : 2;
+	unsigned long                  : 2;
+	unsigned long pclk_post_div    : 4;
+	unsigned long                  : 8;
+	unsigned long pclk_force_disp  : 1;
+	unsigned long                  : 15;
 } __attribute__((packed));
 
 union pclk_cntl_u {
-     unsigned long val : 32;
-     struct pclk_cntl_t f;
+	unsigned long val : 32;
+	struct pclk_cntl_t f;
 } __attribute__((packed));
 
+
+#define TESTCLK_SRC_PLL   0x01
+#define TESTCLK_SRC_SCLK  0x02
+#define TESTCLK_SRC_PCLK  0x03
+/* 4 and 5 seem to by XTAL/M */
+#define TESTCLK_SRC_XTAL  0x06
+
 struct clk_test_cntl_t {
-     unsigned long testclk_sel      : 4;
-     unsigned long    				: 3;
-     unsigned long start_check_freq : 1;
-     unsigned long tstcount_rst     : 1;
-     unsigned long    				: 15;
-     unsigned long test_count       : 8;
+	unsigned long testclk_sel      : 4;
+	unsigned long                  : 3;
+	unsigned long start_check_freq : 1;
+	unsigned long tstcount_rst     : 1;
+	unsigned long                  : 15;
+	unsigned long test_count       : 8;
 } __attribute__((packed));
 
 union clk_test_cntl_u {
-     unsigned long val : 32;
-     struct clk_test_cntl_t f;
+	unsigned long val : 32;
+	struct clk_test_cntl_t f;
 } __attribute__((packed));
 
 struct pwrmgt_cntl_t {
-     unsigned long pwm_enable       	: 1;
-     unsigned long    					: 1;
-     unsigned long pwm_mode_req         : 2;
-     unsigned long pwm_wakeup_cond      : 2;
-     unsigned long pwm_fast_noml_hw_en  : 1;
-     unsigned long pwm_noml_fast_hw_en  : 1;
-     unsigned long pwm_fast_noml_cond   : 4;
-     unsigned long pwm_noml_fast_cond   : 4;
-     unsigned long pwm_idle_timer   	: 8;
-     unsigned long pwm_busy_timer   	: 8;
+	unsigned long pwm_enable           : 1;
+	unsigned long                      : 1;
+	unsigned long pwm_mode_req         : 2;
+	unsigned long pwm_wakeup_cond      : 2;
+	unsigned long pwm_fast_noml_hw_en  : 1;
+	unsigned long pwm_noml_fast_hw_en  : 1;
+	unsigned long pwm_fast_noml_cond   : 4;
+	unsigned long pwm_noml_fast_cond   : 4;
+	unsigned long pwm_idle_timer       : 8;
+	unsigned long pwm_busy_timer       : 8;
 } __attribute__((packed));
 
 union pwrmgt_cntl_u {
-     unsigned long val : 32;
-     struct pwrmgt_cntl_t f;
+	unsigned long val : 32;
+	struct pwrmgt_cntl_t f;
 } __attribute__((packed));
 
 #endif
diff --git a/include/video/w100fb.h b/include/video/w100fb.h
index bd548c2b47c4..e6da2d7ded8c 100644
--- a/include/video/w100fb.h
+++ b/include/video/w100fb.h
@@ -1,21 +1,149 @@
 /*
  *  Support for the w100 frame buffer.
  *
- *  Copyright (c) 2004 Richard Purdie
+ *  Copyright (c) 2004-2005 Richard Purdie
+ *  Copyright (c) 2005 Ian Molton
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License version 2 as
  *  published by the Free Software Foundation.
  */
 
+#define W100_GPIO_PORT_A	0
+#define W100_GPIO_PORT_B	1
+
+#define CLK_SRC_XTAL  0
+#define CLK_SRC_PLL   1
+
+struct w100fb_par;
+
+unsigned long w100fb_gpio_read(int port);
+void w100fb_gpio_write(int port, unsigned long value);
+
+/* LCD Specific Routines and Config */
+struct w100_tg_info {
+	void (*change)(struct w100fb_par*);
+	void (*suspend)(struct w100fb_par*);
+	void (*resume)(struct w100fb_par*);
+};
+
+/* General Platform Specific w100 Register Values */
+struct w100_gen_regs {
+	unsigned long lcd_format;
+	unsigned long lcdd_cntl1;
+	unsigned long lcdd_cntl2;
+	unsigned long genlcd_cntl1;
+	unsigned long genlcd_cntl2;
+	unsigned long genlcd_cntl3;
+};
+
+struct w100_gpio_regs {
+	unsigned long init_data1;
+	unsigned long init_data2;
+	unsigned long gpio_dir1;
+	unsigned long gpio_oe1;
+	unsigned long gpio_dir2;
+	unsigned long gpio_oe2;
+};
+
+/* Optional External Memory Configuration */
+struct w100_mem_info {
+	unsigned long ext_cntl;
+	unsigned long sdram_mode_reg;
+	unsigned long ext_timing_cntl;
+	unsigned long io_cntl;
+	unsigned int size;
+};
+
+struct w100_bm_mem_info {
+	unsigned long ext_mem_bw;
+	unsigned long offset;
+	unsigned long ext_timing_ctl;
+	unsigned long ext_cntl;
+	unsigned long mode_reg;
+	unsigned long io_cntl;
+	unsigned long config;
+};
+
+/* LCD Mode definition */
+struct w100_mode {
+	unsigned int xres;
+	unsigned int yres;
+	unsigned short left_margin;
+	unsigned short right_margin;
+	unsigned short upper_margin;
+	unsigned short lower_margin;
+	unsigned long crtc_ss;
+	unsigned long crtc_ls;
+	unsigned long crtc_gs;
+	unsigned long crtc_vpos_gs;
+	unsigned long crtc_rev;
+	unsigned long crtc_dclk;
+	unsigned long crtc_gclk;
+	unsigned long crtc_goe;
+	unsigned long crtc_ps1_active;
+	char pll_freq;
+	char fast_pll_freq;
+	int sysclk_src;
+	int sysclk_divider;
+	int pixclk_src;
+	int pixclk_divider;
+	int pixclk_divider_rotated;
+};
+
+struct w100_pll_info {
+	uint16_t freq;  /* desired Fout for PLL (Mhz) */
+	uint8_t M;      /* input divider */
+	uint8_t N_int;  /* VCO multiplier */
+	uint8_t N_fac;  /* VCO multiplier fractional part */
+	uint8_t tfgoal;
+	uint8_t lock_time;
+};
+
+/* Initial Video mode orientation flags */
+#define INIT_MODE_ROTATED  0x1
+#define INIT_MODE_FLIPPED  0x2
+
 /*
  * This structure describes the machine which we are running on.
  * It is set by machine specific code and used in the probe routine
  * of drivers/video/w100fb.c
  */
-
 struct w100fb_mach_info {
-	void (*w100fb_ssp_send)(u8 adrs, u8 data);
-	int comadj;
-	int phadadj;
+	/* General Platform Specific Registers */
+	struct w100_gen_regs *regs;
+	/* Table of modes the LCD is capable of */
+	struct w100_mode *modelist;
+	unsigned int num_modes;
+	/* Hooks for any platform specific tg/lcd code (optional) */
+	struct w100_tg_info *tg;
+	/* External memory definition (if present) */
+	struct w100_mem_info *mem;
+	/* Additional External memory definition (if present) */
+	struct w100_bm_mem_info *bm_mem;
+	/* GPIO definitions (optional) */
+	struct w100_gpio_regs *gpio;
+	/* Initial Mode flags */
+	unsigned int init_mode;
+	/* Xtal Frequency */
+	unsigned int xtal_freq;
+	/* Enable Xtal input doubler (1 == enable) */
+	unsigned int xtal_dbl;
+};
+
+/* General frame buffer data structure */
+struct w100fb_par {
+	unsigned int chip_id;
+	unsigned int xres;
+	unsigned int yres;
+	unsigned int extmem_active;
+	unsigned int flip;
+	unsigned int blanked;
+	unsigned int fastpll_mode;
+	unsigned long hsync_len;
+	struct w100_mode *mode;
+	struct w100_pll_info *pll_table;
+	struct w100fb_mach_info *mach;
+	uint32_t *saved_intmem;
+	uint32_t *saved_extmem;
 };