fbdev: remove w100fb driver

The w100fb was used on various PXA based pocketpc machines,
all of which are now removed, so remove this dirver sd well.

Cc: Helge Deller <deller@gmx.de>
Cc: linux-fbdev@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Acked-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

4 files changed, 0 insertions, 2586 deletions

diff --git a/drivers/video/fbdev/Kconfig b/drivers/video/fbdev/Kconfig
index 3152f1a06a39..2f5219cc36b4 100644
--- a/drivers/video/fbdev/Kconfig
+++ b/drivers/video/fbdev/Kconfig
@@ -1841,23 +1841,6 @@ config FB_FSL_DIU
 	help
 	  Framebuffer driver for the Freescale SoC DIU
 
-config FB_W100
-	tristate "W100 frame buffer support"
-	depends on FB && HAS_IOMEM && (ARCH_PXA || COMPILE_TEST)
-	select FB_CFB_FILLRECT
-	select FB_CFB_COPYAREA
-	select FB_CFB_IMAGEBLIT
-	help
-	  Frame buffer driver for the w100 as found on the Sharp SL-Cxx series.
-	  It can also drive the w3220 chip found on iPAQ hx4700.
-
-	  This driver is also available as a module ( = code which can be
-	  inserted and removed from the running kernel whenever you want). The
-	  module will be called w100fb. If you want to compile it as a module,
-	  say M here and read <file:Documentation/kbuild/modules.rst>.
-
-	  If unsure, say N.
-
 config FB_SH_MOBILE_LCDC
 	tristate "SuperH Mobile LCDC framebuffer support"
 	depends on FB && HAVE_CLK && HAS_IOMEM
diff --git a/drivers/video/fbdev/Makefile b/drivers/video/fbdev/Makefile
index e5206c3331d6..e6b0ae094b8b 100644
--- a/drivers/video/fbdev/Makefile
+++ b/drivers/video/fbdev/Makefile
@@ -84,7 +84,6 @@ obj-$(CONFIG_FB_PXA)		  += pxafb.o
 obj-$(CONFIG_FB_PXA168)		  += pxa168fb.o
 obj-$(CONFIG_PXA3XX_GCU)	  += pxa3xx-gcu.o
 obj-$(CONFIG_MMP_DISP)           += mmp/
-obj-$(CONFIG_FB_W100)		  += w100fb.o
 obj-$(CONFIG_FB_AU1100)		  += au1100fb.o
 obj-$(CONFIG_FB_AU1200)		  += au1200fb.o
 obj-$(CONFIG_FB_VT8500)		  += vt8500lcdfb.o
diff --git a/drivers/video/fbdev/w100fb.c b/drivers/video/fbdev/w100fb.c
deleted file mode 100644
index 4e641a780726..000000000000
--- a/drivers/video/fbdev/w100fb.c
+++ /dev/null
@@ -1,1644 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * linux/drivers/video/w100fb.c
- *
- * Frame Buffer Device for ATI Imageon w100 (Wallaby)
- *
- * Copyright (C) 2002, ATI Corp.
- * Copyright (C) 2004-2006 Richard Purdie
- * Copyright (c) 2005 Ian Molton
- * Copyright (c) 2006 Alberto Mardegan
- *
- * 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
- *
- * Hardware acceleration support by Alberto Mardegan
- * <mardy@users.sourceforge.net>
- */
-
-#include <linux/delay.h>
-#include <linux/fb.h>
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/mm.h>
-#include <linux/platform_device.h>
-#include <linux/slab.h>
-#include <linux/string.h>
-#include <linux/vmalloc.h>
-#include <linux/module.h>
-#include <asm/io.h>
-#include <linux/uaccess.h>
-#include <video/w100fb.h>
-#include "w100fb.h"
-
-/*
- * Prototypes
- */
-static void w100_suspend(u32 mode);
-static void w100_vsync(void);
-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);
-static void w100_init_graphic_engine(struct w100fb_par *par);
-struct w100_pll_info *w100_get_xtal_table(unsigned int freq);
-
-/* Pseudo palette size */
-#define MAX_PALETTES      16
-
-#define W100_SUSPEND_EXTMEM 0
-#define W100_SUSPEND_ALL    1
-
-#define BITS_PER_PIXEL    16
-
-/* Remapped addresses for base cfg, memmapped regs and the frame buffer itself */
-static void __iomem *remapped_base;
-static void __iomem *remapped_regs;
-static void __iomem *remapped_fbuf;
-
-#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 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->flip);
-}
-
-static ssize_t flip_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
-{
-	unsigned int flip;
-	struct fb_info *info = dev_get_drvdata(dev);
-	struct w100fb_par *par=info->par;
-
-	flip = simple_strtoul(buf, NULL, 10);
-
-	if (flip > 0)
-		par->flip = 1;
-	else
-		par->flip = 0;
-
-	w100_update_disable();
-	w100_set_dispregs(par);
-	w100_update_enable();
-
-	calc_hsync(par);
-
-	return count;
-}
-
-static DEVICE_ATTR_RW(flip);
-
-static ssize_t w100fb_reg_read(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
-{
-	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);
-	return count;
-}
-
-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, param;
-	sscanf(buf, "%lx %lx", &regs, &param);
-
-	if (regs <= 0x2000) {
-		printk("Write Register 0x%08lX: 0x%08lX\n", regs, param);
-		writel(param, remapped_regs + regs);
-	}
-
-	return count;
-}
-
-static DEVICE_ATTR(reg_write, 0200, NULL, w100fb_reg_write);
-
-
-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->fastpll_mode);
-}
-
-static ssize_t fastpllclk_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
-{
-	struct fb_info *info = dev_get_drvdata(dev);
-	struct w100fb_par *par=info->par;
-
-	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_RW(fastpllclk);
-
-static struct attribute *w100fb_attrs[] = {
-	&dev_attr_fastpllclk.attr,
-	&dev_attr_reg_read.attr,
-	&dev_attr_reg_write.attr,
-	&dev_attr_flip.attr,
-	NULL,
-};
-ATTRIBUTE_GROUPS(w100fb);
-
-/*
- * Some touchscreens need hsync information from the video driver to
- * function correctly. We export it here.
- */
-unsigned long w100fb_get_hsynclen(struct device *dev)
-{
-	struct fb_info *info = dev_get_drvdata(dev);
-	struct w100fb_par *par=info->par;
-
-	/* If display is blanked/suspended, hsync isn't active */
-	if (par->blanked)
-		return 0;
-	else
-		return par->hsync_len;
-}
-EXPORT_SYMBOL(w100fb_get_hsynclen);
-
-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));
-}
-
-
-/*
- * Set a palette value from rgb components
- */
-static int w100fb_setcolreg(u_int regno, u_int red, u_int green, u_int blue,
-			     u_int trans, struct fb_info *info)
-{
-	unsigned int val;
-	int ret = 1;
-
-	/*
-	 * If greyscale is true, then we convert the RGB value
-	 * to greyscale no matter what visual we are using.
-	 */
-	if (info->var.grayscale)
-		red = green = blue = (19595 * red + 38470 * green + 7471 * blue) >> 16;
-
-	/*
-	 * 16-bit True Colour.  We encode the RGB value
-	 * according to the RGB bitfield information.
-	 */
-	if (regno < MAX_PALETTES) {
-		u32 *pal = info->pseudo_palette;
-
-		val = (red & 0xf800) | ((green & 0xfc00) >> 5) | ((blue & 0xf800) >> 11);
-		pal[regno] = val;
-		ret = 0;
-	}
-	return ret;
-}
-
-
-/*
- * Blank the display based on value in blank_mode
- */
-static int w100fb_blank(int blank_mode, struct fb_info *info)
-{
-	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->blanked == 0) {
-			if(tg && tg->suspend)
-				tg->suspend(par);
-			par->blanked = 1;
-  		}
-  		break;
-
- 	case FB_BLANK_UNBLANK: /* Unblanking */
-  		if (par->blanked != 0) {
-			if(tg && tg->resume)
-				tg->resume(par);
-			par->blanked = 0;
-  		}
-  		break;
- 	}
-	return 0;
-}
-
-
-static void w100_fifo_wait(int entries)
-{
-	union rbbm_status_u status;
-	int i;
-
-	for (i = 0; i < 2000000; i++) {
-		status.val = readl(remapped_regs + mmRBBM_STATUS);
-		if (status.f.cmdfifo_avail >= entries)
-			return;
-		udelay(1);
-	}
-	printk(KERN_ERR "w100fb: FIFO Timeout!\n");
-}
-
-
-static int w100fb_sync(struct fb_info *info)
-{
-	union rbbm_status_u status;
-	int i;
-
-	for (i = 0; i < 2000000; i++) {
-		status.val = readl(remapped_regs + mmRBBM_STATUS);
-		if (!status.f.gui_active)
-			return 0;
-		udelay(1);
-	}
-	printk(KERN_ERR "w100fb: Graphic engine timeout!\n");
-	return -EBUSY;
-}
-
-
-static void w100_init_graphic_engine(struct w100fb_par *par)
-{
-	union dp_gui_master_cntl_u gmc;
-	union dp_mix_u dp_mix;
-	union dp_datatype_u dp_datatype;
-	union dp_cntl_u dp_cntl;
-
-	w100_fifo_wait(4);
-	writel(W100_FB_BASE, remapped_regs + mmDST_OFFSET);
-	writel(par->xres, remapped_regs + mmDST_PITCH);
-	writel(W100_FB_BASE, remapped_regs + mmSRC_OFFSET);
-	writel(par->xres, remapped_regs + mmSRC_PITCH);
-
-	w100_fifo_wait(3);
-	writel(0, remapped_regs + mmSC_TOP_LEFT);
-	writel((par->yres << 16) | par->xres, remapped_regs + mmSC_BOTTOM_RIGHT);
-	writel(0x1fff1fff, remapped_regs + mmSRC_SC_BOTTOM_RIGHT);
-
-	w100_fifo_wait(4);
-	dp_cntl.val = 0;
-	dp_cntl.f.dst_x_dir = 1;
-	dp_cntl.f.dst_y_dir = 1;
-	dp_cntl.f.src_x_dir = 1;
-	dp_cntl.f.src_y_dir = 1;
-	dp_cntl.f.dst_major_x = 1;
-	dp_cntl.f.src_major_x = 1;
-	writel(dp_cntl.val, remapped_regs + mmDP_CNTL);
-
-	gmc.val = 0;
-	gmc.f.gmc_src_pitch_offset_cntl = 1;
-	gmc.f.gmc_dst_pitch_offset_cntl = 1;
-	gmc.f.gmc_src_clipping = 1;
-	gmc.f.gmc_dst_clipping = 1;
-	gmc.f.gmc_brush_datatype = GMC_BRUSH_NONE;
-	gmc.f.gmc_dst_datatype = 3; /* from DstType_16Bpp_444 */
-	gmc.f.gmc_src_datatype = SRC_DATATYPE_EQU_DST;
-	gmc.f.gmc_byte_pix_order = 1;
-	gmc.f.gmc_default_sel = 0;
-	gmc.f.gmc_rop3 = ROP3_SRCCOPY;
-	gmc.f.gmc_dp_src_source = DP_SRC_MEM_RECTANGULAR;
-	gmc.f.gmc_clr_cmp_fcn_dis = 1;
-	gmc.f.gmc_wr_msk_dis = 1;
-	gmc.f.gmc_dp_op = DP_OP_ROP;
-	writel(gmc.val, remapped_regs + mmDP_GUI_MASTER_CNTL);
-
-	dp_datatype.val = dp_mix.val = 0;
-	dp_datatype.f.dp_dst_datatype = gmc.f.gmc_dst_datatype;
-	dp_datatype.f.dp_brush_datatype = gmc.f.gmc_brush_datatype;
-	dp_datatype.f.dp_src2_type = 0;
-	dp_datatype.f.dp_src2_datatype = gmc.f.gmc_src_datatype;
-	dp_datatype.f.dp_src_datatype = gmc.f.gmc_src_datatype;
-	dp_datatype.f.dp_byte_pix_order = gmc.f.gmc_byte_pix_order;
-	writel(dp_datatype.val, remapped_regs + mmDP_DATATYPE);
-
-	dp_mix.f.dp_src_source = gmc.f.gmc_dp_src_source;
-	dp_mix.f.dp_src2_source = 1;
-	dp_mix.f.dp_rop3 = gmc.f.gmc_rop3;
-	dp_mix.f.dp_op = gmc.f.gmc_dp_op;
-	writel(dp_mix.val, remapped_regs + mmDP_MIX);
-}
-
-
-static void w100fb_fillrect(struct fb_info *info,
-                            const struct fb_fillrect *rect)
-{
-	union dp_gui_master_cntl_u gmc;
-
-	if (info->state != FBINFO_STATE_RUNNING)
-		return;
-	if (info->flags & FBINFO_HWACCEL_DISABLED) {
-		cfb_fillrect(info, rect);
-		return;
-	}
-
-	gmc.val = readl(remapped_regs + mmDP_GUI_MASTER_CNTL);
-	gmc.f.gmc_rop3 = ROP3_PATCOPY;
-	gmc.f.gmc_brush_datatype = GMC_BRUSH_SOLID_COLOR;
-	w100_fifo_wait(2);
-	writel(gmc.val, remapped_regs + mmDP_GUI_MASTER_CNTL);
-	writel(rect->color, remapped_regs + mmDP_BRUSH_FRGD_CLR);
-
-	w100_fifo_wait(2);
-	writel((rect->dy << 16) | (rect->dx & 0xffff), remapped_regs + mmDST_Y_X);
-	writel((rect->width << 16) | (rect->height & 0xffff),
-	       remapped_regs + mmDST_WIDTH_HEIGHT);
-}
-
-
-static void w100fb_copyarea(struct fb_info *info,
-                            const struct fb_copyarea *area)
-{
-	u32 dx = area->dx, dy = area->dy, sx = area->sx, sy = area->sy;
-	u32 h = area->height, w = area->width;
-	union dp_gui_master_cntl_u gmc;
-
-	if (info->state != FBINFO_STATE_RUNNING)
-		return;
-	if (info->flags & FBINFO_HWACCEL_DISABLED) {
-		cfb_copyarea(info, area);
-		return;
-	}
-
-	gmc.val = readl(remapped_regs + mmDP_GUI_MASTER_CNTL);
-	gmc.f.gmc_rop3 = ROP3_SRCCOPY;
-	gmc.f.gmc_brush_datatype = GMC_BRUSH_NONE;
-	w100_fifo_wait(1);
-	writel(gmc.val, remapped_regs + mmDP_GUI_MASTER_CNTL);
-
-	w100_fifo_wait(3);
-	writel((sy << 16) | (sx & 0xffff), remapped_regs + mmSRC_Y_X);
-	writel((dy << 16) | (dx & 0xffff), remapped_regs + mmDST_Y_X);
-	writel((w << 16) | (h & 0xffff), remapped_regs + mmDST_WIDTH_HEIGHT);
-}
-
-
-/*
- *  Change the resolution by calling the appropriate hardware functions
- */
-static void w100fb_activate_var(struct w100fb_par *par)
-{
-	struct w100_tg_info *tg = par->mach->tg;
-
-	w100_pwm_setup(par);
-	w100_setup_memory(par);
-	w100_init_clocks(par);
-	w100fb_clear_screen(par);
-	w100_vsync();
-
-	w100_update_disable();
-	w100_init_lcd(par);
-	w100_set_dispregs(par);
-	w100_update_enable();
-	w100_init_graphic_engine(par);
-
-	calc_hsync(par);
-
-	if (!par->blanked && tg && tg->change)
-		tg->change(par);
-}
-
-
-/* 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 struct w100_mode *w100fb_get_mode(struct w100fb_par *par, unsigned int *x, unsigned int *y, int saveval)
-{
-	struct w100_mode *mode = NULL;
-	struct w100_mode *modelist = par->mach->modelist;
-	unsigned int best_x = 0xffffffff, best_y = 0xffffffff;
-	unsigned int i;
-
-	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 (mode && saveval) {
-		*x = best_x;
-		*y = best_y;
-	}
-
-	return mode;
-}
-
-
-/*
- *  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)
-{
-	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);
-
-	if (var->bits_per_pixel > BITS_PER_PIXEL)
-		return -EINVAL;
-	else
-		var->bits_per_pixel = BITS_PER_PIXEL;
-
-	var->red.offset = 11;
-	var->red.length = 5;
-	var->green.offset = 5;
-	var->green.length = 6;
-	var->blue.offset = 0;
-	var->blue.length = 5;
-	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; */
-
-	return 0;
-}
-
-
-/*
- * w100fb_set_par():
- *	Set the user defined part of the display for the specified console
- *  by looking at the values in info.var
- */
-static int w100fb_set_par(struct fb_info *info)
-{
-	struct w100fb_par *par=info->par;
-
-	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.ypanstep = 0;
-		info->fix.ywrapstep = 0;
-		info->fix.line_length = par->xres * BITS_PER_PIXEL / 8;
-
-		mutex_lock(&info->mm_lock);
-		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;
-		}
-		mutex_unlock(&info->mm_lock);
-
-		w100fb_activate_var(par);
-	}
-	return 0;
-}
-
-
-/*
- *  Frame buffer operations
- */
-static const struct fb_ops w100fb_ops = {
-	.owner        = THIS_MODULE,
-	.fb_check_var = w100fb_check_var,
-	.fb_set_par   = w100fb_set_par,
-	.fb_setcolreg = w100fb_setcolreg,
-	.fb_blank     = w100fb_blank,
-	.fb_fillrect  = w100fb_fillrect,
-	.fb_copyarea  = w100fb_copyarea,
-	.fb_imageblit = cfb_imageblit,
-	.fb_sync      = w100fb_sync,
-};
-
-#ifdef CONFIG_PM
-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);
-		par->saved_extmem = NULL;
-	}
-	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);
-		par->saved_intmem = NULL;
-	}
-}
-
-static int w100fb_suspend(struct platform_device *dev, pm_message_t state)
-{
-	struct fb_info *info = platform_get_drvdata(dev);
-	struct w100fb_par *par=info->par;
-	struct w100_tg_info *tg = par->mach->tg;
-
-	w100fb_save_vidmem(par);
-	if(tg && tg->suspend)
-		tg->suspend(par);
-	w100_suspend(W100_SUSPEND_ALL);
-	par->blanked = 1;
-
-	return 0;
-}
-
-static int w100fb_resume(struct platform_device *dev)
-{
-	struct fb_info *info = platform_get_drvdata(dev);
-	struct w100fb_par *par=info->par;
-	struct w100_tg_info *tg = par->mach->tg;
-
-	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
-#endif
-
-
-static int w100fb_probe(struct platform_device *pdev)
-{
-	int err = -EIO;
-	struct w100fb_mach_info *inf;
-	struct fb_info *info = NULL;
-	struct w100fb_par *par;
-	struct resource *mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	unsigned int chip_id;
-
-	if (!mem)
-		return -EINVAL;
-
-	/* Remap the chip base address */
-	remapped_base = ioremap(mem->start+W100_CFG_BASE, W100_CFG_LEN);
-	if (remapped_base == NULL)
-		goto out;
-
-	/* Map the register space */
-	remapped_regs = ioremap(mem->start+W100_REG_BASE, W100_REG_LEN);
-	if (remapped_regs == NULL)
-		goto out;
-
-	/* 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", (unsigned long) mem->start+W100_CFG_BASE);
-
-	/* Remap the framebuffer */
-	remapped_fbuf = ioremap(mem->start+MEM_WINDOW_BASE, MEM_WINDOW_SIZE);
-	if (remapped_fbuf == NULL)
-		goto out;
-
-	info=framebuffer_alloc(sizeof(struct w100fb_par), &pdev->dev);
-	if (!info) {
-		err = -ENOMEM;
-		goto out;
-	}
-
-	par = info->par;
-	platform_set_drvdata(pdev, info);
-
-	inf = dev_get_platdata(&pdev->dev);
-	par->chip_id = chip_id;
-	par->mach = inf;
-	par->fastpll_mode = 0;
-	par->blanked = 0;
-
-	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_array(MAX_PALETTES, sizeof(u32),
-					     GFP_KERNEL);
-	if (!info->pseudo_palette) {
-		err = -ENOMEM;
-		goto out;
-	}
-
-	info->fbops = &w100fb_ops;
-	info->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_COPYAREA |
-		FBINFO_HWACCEL_FILLRECT;
-	info->node = -1;
-	info->screen_base = remapped_fbuf + (W100_FB_BASE-MEM_WINDOW_BASE);
-	info->screen_size = REMAPPED_FB_LEN;
-
-	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_virtual = info->var.yres;
-	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;
-
-	w100_hw_init(par);
-
-	if (w100fb_check_var(&info->var, info) < 0) {
-		err = -EINVAL;
-		goto out;
-	}
-
-	if (register_framebuffer(info) < 0) {
-		err = -EINVAL;
-		goto out;
-	}
-
-	fb_info(info, "%s frame buffer device\n", info->fix.id);
-	return 0;
-out:
-	if (info) {
-		fb_dealloc_cmap(&info->cmap);
-		kfree(info->pseudo_palette);
-	}
-	if (remapped_fbuf != NULL) {
-		iounmap(remapped_fbuf);
-		remapped_fbuf = NULL;
-	}
-	if (remapped_regs != NULL) {
-		iounmap(remapped_regs);
-		remapped_regs = NULL;
-	}
-	if (remapped_base != NULL) {
-		iounmap(remapped_base);
-		remapped_base = NULL;
-	}
-	if (info)
-		framebuffer_release(info);
-	return err;
-}
-
-
-static int w100fb_remove(struct platform_device *pdev)
-{
-	struct fb_info *info = platform_get_drvdata(pdev);
-	struct w100fb_par *par=info->par;
-
-	unregister_framebuffer(info);
-
-	vfree(par->saved_intmem);
-	vfree(par->saved_extmem);
-	kfree(info->pseudo_palette);
-	fb_dealloc_cmap(&info->cmap);
-
-	iounmap(remapped_base);
-	remapped_base = NULL;
-	iounmap(remapped_regs);
-	remapped_regs = NULL;
-	iounmap(remapped_fbuf);
-	remapped_fbuf = NULL;
-
-	framebuffer_release(info);
-
-	return 0;
-}
-
-
-/* ------------------- chipset specific functions -------------------------- */
-
-
-static void w100_soft_reset(void)
-{
-	u16 val = readw((u16 __iomem *)remapped_base + cfgSTATUS);
-
-	writew(val | 0x08, (u16 __iomem *)remapped_base + cfgSTATUS);
-	udelay(100);
-	writew(0x00, (u16 __iomem *)remapped_base + cfgSTATUS);
-	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)
-		writel(value, remapped_regs + mmGPIO_DATA);
-	else
-		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(struct w100fb_par *par)
-{
-	u32 temp32;
-	union cif_cntl_u cif_cntl;
-	union intf_cntl_u intf_cntl;
-	union cfgreg_base_u cfgreg_base;
-	union wrap_top_dir_u wrap_top_dir;
-	union cif_read_dbg_u cif_read_dbg;
-	union cpu_defaults_u cpu_default;
-	union cif_write_dbg_u cif_write_dbg;
-	union wrap_start_dir_u wrap_start_dir;
-	union cif_io_u cif_io;
-	struct w100_gpio_regs *gpio = par->mach->gpio;
-
-	w100_soft_reset();
-
-	/* This is what the fpga_init code does on reset. May be wrong
-	   but there is little info available */
-	writel(0x31, remapped_regs + mmSCRATCH_UMSK);
-	for (temp32 = 0; temp32 < 10000; temp32++)
-		readl(remapped_regs + mmSCRATCH_UMSK);
-	writel(0x30, remapped_regs + mmSCRATCH_UMSK);
-
-	/* Set up CIF */
-	cif_io.val = defCIF_IO;
-	writel((u32)(cif_io.val), remapped_regs + mmCIF_IO);
-
-	cif_write_dbg.val = readl(remapped_regs + mmCIF_WRITE_DBG);
-	cif_write_dbg.f.dis_packer_ful_during_rbbm_timeout = 0;
-	cif_write_dbg.f.en_dword_split_to_rbbm = 1;
-	cif_write_dbg.f.dis_timeout_during_rbbm = 1;
-	writel((u32) (cif_write_dbg.val), remapped_regs + mmCIF_WRITE_DBG);
-
-	cif_read_dbg.val = readl(remapped_regs + mmCIF_READ_DBG);
-	cif_read_dbg.f.dis_rd_same_byte_to_trig_fetch = 1;
-	writel((u32) (cif_read_dbg.val), remapped_regs + mmCIF_READ_DBG);
-
-	cif_cntl.val = readl(remapped_regs + mmCIF_CNTL);
-	cif_cntl.f.dis_system_bits = 1;
-	cif_cntl.f.dis_mr = 1;
-	cif_cntl.f.en_wait_to_compensate_dq_prop_dly = 0;
-	cif_cntl.f.intb_oe = 1;
-	cif_cntl.f.interrupt_active_high = 1;
-	writel((u32) (cif_cntl.val), remapped_regs + mmCIF_CNTL);
-
-	/* Setup cfgINTF_CNTL and cfgCPU defaults */
-	intf_cntl.val = defINTF_CNTL;
-	intf_cntl.f.ad_inc_a = 1;
-	intf_cntl.f.ad_inc_b = 1;
-	intf_cntl.f.rd_data_rdy_a = 0;
-	intf_cntl.f.rd_data_rdy_b = 0;
-	writeb((u8) (intf_cntl.val), remapped_base + cfgINTF_CNTL);
-
-	cpu_default.val = defCPU_DEFAULTS;
-	cpu_default.f.access_ind_addr_a = 1;
-	cpu_default.f.access_ind_addr_b = 1;
-	cpu_default.f.access_scratch_reg = 1;
-	cpu_default.f.transition_size = 0;
-	writeb((u8) (cpu_default.val), remapped_base + cfgCPU_DEFAULTS);
-
-	/* set up the apertures */
-	writeb((u8) (W100_REG_BASE >> 16), remapped_base + cfgREG_BASE);
-
-	cfgreg_base.val = defCFGREG_BASE;
-	cfgreg_base.f.cfgreg_base = W100_CFG_BASE;
-	writel((u32) (cfgreg_base.val), remapped_regs + mmCFGREG_BASE);
-
-	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);
-
-	wrap_top_dir.val = defWRAP_TOP_DIR;
-	wrap_top_dir.f.top_addr = WRAP_BUF_TOP_VALUE >> 1;
-	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);
-	}
-}
-
-
-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 pwrmgt_cntl_u pwrmgt_cntl;
-	int auto_mode;  /* system clock auto changing? */
-};
-
-
-static struct power_state w100_pwr_state;
-
-/* 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},
-};
-
-/* 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 */
-	{ 80,      1,   9,       0,     0xe0,        13}, /* 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] },