video: move fbdev to drivers/video/fbdev

The drivers/video directory is a mess. It contains generic video related
files, directories for backlight, console, linux logo, lots of fbdev
device drivers, fbdev framework files.

Make some order into the chaos by creating drivers/video/fbdev
directory, and move all fbdev related files there.

No functionality is changed, although I guess it is possible that some
subtle Makefile build order related issue could be created by this
patch.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Rob Clark <robdclark@gmail.com>
Acked-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>

1 files changed, 0 insertions, 1231 deletions

diff --git a/drivers/video/arkfb.c b/drivers/video/arkfb.c
deleted file mode 100644
index adc4ea2..0000000
--- a/drivers/video/arkfb.c
+++ /dev/null
@@ -1,1231 +0,0 @@
-/*
- *  linux/drivers/video/arkfb.c -- Frame buffer device driver for ARK 2000PV
- *  with ICS 5342 dac (it is easy to add support for different dacs).
- *
- *  Copyright (c) 2007 Ondrej Zajicek <santiago@crfreenet.org>
- *
- *  This file is subject to the terms and conditions of the GNU General Public
- *  License.  See the file COPYING in the main directory of this archive for
- *  more details.
- *
- *  Code is based on s3fb
- */
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/string.h>
-#include <linux/mm.h>
-#include <linux/tty.h>
-#include <linux/slab.h>
-#include <linux/delay.h>
-#include <linux/fb.h>
-#include <linux/svga.h>
-#include <linux/init.h>
-#include <linux/pci.h>
-#include <linux/console.h> /* Why should fb driver call console functions? because console_lock() */
-#include <video/vga.h>
-
-#ifdef CONFIG_MTRR
-#include <asm/mtrr.h>
-#endif
-
-struct arkfb_info {
-	int mclk_freq;
-	int mtrr_reg;
-
-	struct dac_info *dac;
-	struct vgastate state;
-	struct mutex open_lock;
-	unsigned int ref_count;
-	u32 pseudo_palette[16];
-};
-
-
-/* ------------------------------------------------------------------------- */
-
-
-static const struct svga_fb_format arkfb_formats[] = {
-	{ 0,  {0, 6, 0},  {0, 6, 0},  {0, 6, 0}, {0, 0, 0}, 0,
-		FB_TYPE_TEXT, FB_AUX_TEXT_SVGA_STEP4,	FB_VISUAL_PSEUDOCOLOR, 8, 8},
-	{ 4,  {0, 6, 0},  {0, 6, 0},  {0, 6, 0}, {0, 0, 0}, 0,
-		FB_TYPE_PACKED_PIXELS, 0,		FB_VISUAL_PSEUDOCOLOR, 8, 16},
-	{ 4,  {0, 6, 0},  {0, 6, 0},  {0, 6, 0}, {0, 0, 0}, 1,
-		FB_TYPE_INTERLEAVED_PLANES, 1,		FB_VISUAL_PSEUDOCOLOR, 8, 16},
-	{ 8,  {0, 6, 0},  {0, 6, 0},  {0, 6, 0}, {0, 0, 0}, 0,
-		FB_TYPE_PACKED_PIXELS, 0,		FB_VISUAL_PSEUDOCOLOR, 8, 8},
-	{16,  {10, 5, 0}, {5, 5, 0},  {0, 5, 0}, {0, 0, 0}, 0,
-		FB_TYPE_PACKED_PIXELS, 0,		FB_VISUAL_TRUECOLOR, 4, 4},
-	{16,  {11, 5, 0}, {5, 6, 0},  {0, 5, 0}, {0, 0, 0}, 0,
-		FB_TYPE_PACKED_PIXELS, 0,		FB_VISUAL_TRUECOLOR, 4, 4},
-	{24,  {16, 8, 0}, {8, 8, 0},  {0, 8, 0}, {0, 0, 0}, 0,
-		FB_TYPE_PACKED_PIXELS, 0,		FB_VISUAL_TRUECOLOR, 8, 8},
-	{32,  {16, 8, 0}, {8, 8, 0},  {0, 8, 0}, {0, 0, 0}, 0,
-		FB_TYPE_PACKED_PIXELS, 0,		FB_VISUAL_TRUECOLOR, 2, 2},
-	SVGA_FORMAT_END
-};
-
-
-/* CRT timing register sets */
-
-static const struct vga_regset ark_h_total_regs[]        = {{0x00, 0, 7}, {0x41, 7, 7}, VGA_REGSET_END};
-static const struct vga_regset ark_h_display_regs[]      = {{0x01, 0, 7}, {0x41, 6, 6}, VGA_REGSET_END};
-static const struct vga_regset ark_h_blank_start_regs[]  = {{0x02, 0, 7}, {0x41, 5, 5}, VGA_REGSET_END};
-static const struct vga_regset ark_h_blank_end_regs[]    = {{0x03, 0, 4}, {0x05, 7, 7	}, VGA_REGSET_END};
-static const struct vga_regset ark_h_sync_start_regs[]   = {{0x04, 0, 7}, {0x41, 4, 4}, VGA_REGSET_END};
-static const struct vga_regset ark_h_sync_end_regs[]     = {{0x05, 0, 4}, VGA_REGSET_END};
-
-static const struct vga_regset ark_v_total_regs[]        = {{0x06, 0, 7}, {0x07, 0, 0}, {0x07, 5, 5}, {0x40, 7, 7}, VGA_REGSET_END};
-static const struct vga_regset ark_v_display_regs[]      = {{0x12, 0, 7}, {0x07, 1, 1}, {0x07, 6, 6}, {0x40, 6, 6}, VGA_REGSET_END};
-static const struct vga_regset ark_v_blank_start_regs[]  = {{0x15, 0, 7}, {0x07, 3, 3}, {0x09, 5, 5}, {0x40, 5, 5}, VGA_REGSET_END};
-// const struct vga_regset ark_v_blank_end_regs[]    = {{0x16, 0, 6}, VGA_REGSET_END};
-static const struct vga_regset ark_v_blank_end_regs[]    = {{0x16, 0, 7}, VGA_REGSET_END};
-static const struct vga_regset ark_v_sync_start_regs[]   = {{0x10, 0, 7}, {0x07, 2, 2}, {0x07, 7, 7}, {0x40, 4, 4}, VGA_REGSET_END};
-static const struct vga_regset ark_v_sync_end_regs[]     = {{0x11, 0, 3}, VGA_REGSET_END};
-
-static const struct vga_regset ark_line_compare_regs[]   = {{0x18, 0, 7}, {0x07, 4, 4}, {0x09, 6, 6}, VGA_REGSET_END};
-static const struct vga_regset ark_start_address_regs[]  = {{0x0d, 0, 7}, {0x0c, 0, 7}, {0x40, 0, 2}, VGA_REGSET_END};
-static const struct vga_regset ark_offset_regs[]         = {{0x13, 0, 7}, {0x41, 3, 3}, VGA_REGSET_END};
-
-static const struct svga_timing_regs ark_timing_regs     = {
-	ark_h_total_regs, ark_h_display_regs, ark_h_blank_start_regs,
-	ark_h_blank_end_regs, ark_h_sync_start_regs, ark_h_sync_end_regs,
-	ark_v_total_regs, ark_v_display_regs, ark_v_blank_start_regs,
-	ark_v_blank_end_regs, ark_v_sync_start_regs, ark_v_sync_end_regs,
-};
-
-
-/* ------------------------------------------------------------------------- */
-
-
-/* Module parameters */
-
-static char *mode_option = "640x480-8@60";
-
-#ifdef CONFIG_MTRR
-static int mtrr = 1;
-#endif
-
-MODULE_AUTHOR("(c) 2007 Ondrej Zajicek <santiago@crfreenet.org>");
-MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("fbdev driver for ARK 2000PV");
-
-module_param(mode_option, charp, 0444);
-MODULE_PARM_DESC(mode_option, "Default video mode ('640x480-8@60', etc)");
-module_param_named(mode, mode_option, charp, 0444);
-MODULE_PARM_DESC(mode, "Default video mode ('640x480-8@60', etc) (deprecated)");
-
-#ifdef CONFIG_MTRR
-module_param(mtrr, int, 0444);
-MODULE_PARM_DESC(mtrr, "Enable write-combining with MTRR (1=enable, 0=disable, default=1)");
-#endif
-
-static int threshold = 4;
-
-module_param(threshold, int, 0644);
-MODULE_PARM_DESC(threshold, "FIFO threshold");
-
-
-/* ------------------------------------------------------------------------- */
-
-
-static void arkfb_settile(struct fb_info *info, struct fb_tilemap *map)
-{
-	const u8 *font = map->data;
-	u8 __iomem *fb = (u8 __iomem *)info->screen_base;
-	int i, c;
-
-	if ((map->width != 8) || (map->height != 16) ||
-	    (map->depth != 1) || (map->length != 256)) {
-		fb_err(info, "unsupported font parameters: width %d, height %d, depth %d, length %d\n",
-		       map->width, map->height, map->depth, map->length);
-		return;
-	}
-
-	fb += 2;
-	for (c = 0; c < map->length; c++) {
-		for (i = 0; i < map->height; i++) {
-			fb_writeb(font[i], &fb[i * 4]);
-			fb_writeb(font[i], &fb[i * 4 + (128 * 8)]);
-		}
-		fb += 128;
-
-		if ((c % 8) == 7)
-			fb += 128*8;
-
-		font += map->height;
-	}
-}
-
-static void arkfb_tilecursor(struct fb_info *info, struct fb_tilecursor *cursor)
-{
-	struct arkfb_info *par = info->par;
-
-	svga_tilecursor(par->state.vgabase, info, cursor);
-}
-
-static struct fb_tile_ops arkfb_tile_ops = {
-	.fb_settile	= arkfb_settile,
-	.fb_tilecopy	= svga_tilecopy,
-	.fb_tilefill    = svga_tilefill,
-	.fb_tileblit    = svga_tileblit,
-	.fb_tilecursor  = arkfb_tilecursor,
-	.fb_get_tilemax = svga_get_tilemax,
-};
-
-
-/* ------------------------------------------------------------------------- */
-
-
-/* image data is MSB-first, fb structure is MSB-first too */
-static inline u32 expand_color(u32 c)
-{
-	return ((c & 1) | ((c & 2) << 7) | ((c & 4) << 14) | ((c & 8) << 21)) * 0xFF;
-}
-
-/* arkfb_iplan_imageblit silently assumes that almost everything is 8-pixel aligned */
-static void arkfb_iplan_imageblit(struct fb_info *info, const struct fb_image *image)
-{
-	u32 fg = expand_color(image->fg_color);
-	u32 bg = expand_color(image->bg_color);
-	const u8 *src1, *src;
-	u8 __iomem *dst1;
-	u32 __iomem *dst;
-	u32 val;
-	int x, y;
-
-	src1 = image->data;
-	dst1 = info->screen_base + (image->dy * info->fix.line_length)
-		 + ((image->dx / 8) * 4);
-
-	for (y = 0; y < image->height; y++) {
-		src = src1;
-		dst = (u32 __iomem *) dst1;
-		for (x = 0; x < image->width; x += 8) {
-			val = *(src++) * 0x01010101;
-			val = (val & fg) | (~val & bg);
-			fb_writel(val, dst++);
-		}
-		src1 += image->width / 8;
-		dst1 += info->fix.line_length;
-	}
-
-}
-
-/* arkfb_iplan_fillrect silently assumes that almost everything is 8-pixel aligned */
-static void arkfb_iplan_fillrect(struct fb_info *info, const struct fb_fillrect *rect)
-{
-	u32 fg = expand_color(rect->color);
-	u8 __iomem *dst1;
-	u32 __iomem *dst;
-	int x, y;
-
-	dst1 = info->screen_base + (rect->dy * info->fix.line_length)
-		 + ((rect->dx / 8) * 4);
-
-	for (y = 0; y < rect->height; y++) {
-		dst = (u32 __iomem *) dst1;
-		for (x = 0; x < rect->width; x += 8) {
-			fb_writel(fg, dst++);
-		}
-		dst1 += info->fix.line_length;
-	}
-
-}
-
-
-/* image data is MSB-first, fb structure is high-nibble-in-low-byte-first */
-static inline u32 expand_pixel(u32 c)
-{
-	return (((c &  1) << 24) | ((c &  2) << 27) | ((c &  4) << 14) | ((c &   8) << 17) |
-		((c & 16) <<  4) | ((c & 32) <<  7) | ((c & 64) >>  6) | ((c & 128) >>  3)) * 0xF;
-}
-
-/* arkfb_cfb4_imageblit silently assumes that almost everything is 8-pixel aligned */
-static void arkfb_cfb4_imageblit(struct fb_info *info, const struct fb_image *image)
-{
-	u32 fg = image->fg_color * 0x11111111;
-	u32 bg = image->bg_color * 0x11111111;
-	const u8 *src1, *src;
-	u8 __iomem *dst1;
-	u32 __iomem *dst;
-	u32 val;
-	int x, y;
-
-	src1 = image->data;
-	dst1 = info->screen_base + (image->dy * info->fix.line_length)
-		 + ((image->dx / 8) * 4);
-
-	for (y = 0; y < image->height; y++) {
-		src = src1;
-		dst = (u32 __iomem *) dst1;
-		for (x = 0; x < image->width; x += 8) {
-			val = expand_pixel(*(src++));
-			val = (val & fg) | (~val & bg);
-			fb_writel(val, dst++);
-		}
-		src1 += image->width / 8;
-		dst1 += info->fix.line_length;
-	}
-
-}
-
-static void arkfb_imageblit(struct fb_info *info, const struct fb_image *image)
-{
-	if ((info->var.bits_per_pixel == 4) && (image->depth == 1)
-	    && ((image->width % 8) == 0) && ((image->dx % 8) == 0)) {
-		if (info->fix.type == FB_TYPE_INTERLEAVED_PLANES)
-			arkfb_iplan_imageblit(info, image);
-		else
-			arkfb_cfb4_imageblit(info, image);
-	} else
-		cfb_imageblit(info, image);
-}
-
-static void arkfb_fillrect(struct fb_info *info, const struct fb_fillrect *rect)
-{
-	if ((info->var.bits_per_pixel == 4)
-	    && ((rect->width % 8) == 0) && ((rect->dx % 8) == 0)
-	    && (info->fix.type == FB_TYPE_INTERLEAVED_PLANES))
-		arkfb_iplan_fillrect(info, rect);
-	 else
-		cfb_fillrect(info, rect);
-}
-
-
-/* ------------------------------------------------------------------------- */
-
-
-enum
-{
-	DAC_PSEUDO8_8,
-	DAC_RGB1555_8,
-	DAC_RGB0565_8,
-	DAC_RGB0888_8,
-	DAC_RGB8888_8,
-	DAC_PSEUDO8_16,
-	DAC_RGB1555_16,
-	DAC_RGB0565_16,
-	DAC_RGB0888_16,
-	DAC_RGB8888_16,
-	DAC_MAX
-};
-
-struct dac_ops {
-	int (*dac_get_mode)(struct dac_info *info);
-	int (*dac_set_mode)(struct dac_info *info, int mode);
-	int (*dac_get_freq)(struct dac_info *info, int channel);
-	int (*dac_set_freq)(struct dac_info *info, int channel, u32 freq);
-	void (*dac_release)(struct dac_info *info);
-};
-
-typedef void (*dac_read_regs_t)(void *data, u8 *code, int count);
-typedef void (*dac_write_regs_t)(void *data, u8 *code, int count);
-
-struct dac_info
-{
-	struct dac_ops *dacops;
-	dac_read_regs_t dac_read_regs;
-	dac_write_regs_t dac_write_regs;
-	void *data;
-};
-
-
-static inline u8 dac_read_reg(struct dac_info *info, u8 reg)
-{
-	u8 code[2] = {reg, 0};
-	info->dac_read_regs(info->data, code, 1);
-	return code[1];
-}
-
-static inline void dac_read_regs(struct dac_info *info, u8 *code, int count)
-{
-	info->dac_read_regs(info->data, code, count);
-}
-
-static inline void dac_write_reg(struct dac_info *info, u8 reg, u8 val)
-{
-	u8 code[2] = {reg, val};
-	info->dac_write_regs(info->data, code, 1);
-}
-
-static inline void dac_write_regs(struct dac_info *info, u8 *code, int count)
-{
-	info->dac_write_regs(info->data, code, count);
-}
-
-static inline int dac_set_mode(struct dac_info *info, int mode)
-{
-	return info->dacops->dac_set_mode(info, mode);
-}
-
-static inline int dac_set_freq(struct dac_info *info, int channel, u32 freq)
-{
-	return info->dacops->dac_set_freq(info, channel, freq);
-}
-
-static inline void dac_release(struct dac_info *info)
-{
-	info->dacops->dac_release(info);
-}
-
-
-/* ------------------------------------------------------------------------- */
-
-
-/* ICS5342 DAC */
-
-struct ics5342_info
-{
-	struct dac_info dac;
-	u8 mode;
-};
-
-#define DAC_PAR(info) ((struct ics5342_info *) info)
-
-/* LSB is set to distinguish unused slots */
-static const u8 ics5342_mode_table[DAC_MAX] = {
-	[DAC_PSEUDO8_8]  = 0x01, [DAC_RGB1555_8]  = 0x21, [DAC_RGB0565_8]  = 0x61,
-	[DAC_RGB0888_8]  = 0x41, [DAC_PSEUDO8_16] = 0x11, [DAC_RGB1555_16] = 0x31,
-	[DAC_RGB0565_16] = 0x51, [DAC_RGB0888_16] = 0x91, [DAC_RGB8888_16] = 0x71
-};
-
-static int ics5342_set_mode(struct dac_info *info, int mode)
-{
-	u8 code;
-
-	if (mode >= DAC_MAX)
-		return -EINVAL;
-
-	code = ics5342_mode_table[mode];
-
-	if (! code)
-		return -EINVAL;
-
-	dac_write_reg(info, 6, code & 0xF0);
-	DAC_PAR(info)->mode = mode;
-
-	return 0;
-}
-
-static const struct svga_pll ics5342_pll = {3, 129, 3, 33, 0, 3,
-	60000, 250000, 14318};
-
-/* pd4 - allow only posdivider 4 (r=2) */
-static const struct svga_pll ics5342_pll_pd4 = {3, 129, 3, 33, 2, 2,
-	60000, 335000, 14318};
-
-/* 270 MHz should be upper bound for VCO clock according to specs,
-   but that is too restrictive in pd4 case */
-
-static int ics5342_set_freq(struct dac_info *info, int channel, u32 freq)
-{
-	u16 m, n, r;
-
-	/* only postdivider 4 (r=2) is valid in mode DAC_PSEUDO8_16 */
-	int rv = svga_compute_pll((DAC_PAR(info)->mode == DAC_PSEUDO8_16)
-				  ? &ics5342_pll_pd4 : &ics5342_pll,
-				  freq, &m, &n, &r, 0);
-
-	if (rv < 0) {
-		return -EINVAL;
-	} else {
-		u8 code[6] = {4, 3, 5, m-2, 5, (n-2) | (r << 5)};
-		dac_write_regs(info, code, 3);
-		return 0;
-	}
-}
-
-static void ics5342_release(struct dac_info *info)
-{
-	ics5342_set_mode(info, DAC_PSEUDO8_8);
-	kfree(info);
-}
-
-static struct dac_ops ics5342_ops = {
-	.dac_set_mode	= ics5342_set_mode,
-	.dac_set_freq	= ics5342_set_freq,
-	.dac_release	= ics5342_release
-};
-
-
-static struct dac_info * ics5342_init(dac_read_regs_t drr, dac_write_regs_t dwr, void *data)
-{
-	struct dac_info *info = kzalloc(sizeof(struct ics5342_info), GFP_KERNEL);
-
-	if (! info)
-		return NULL;
-
-	info->dacops = &ics5342_ops;
-	info->dac_read_regs = drr;
-	info->dac_write_regs = dwr;
-	info->data = data;
-	DAC_PAR(info)->mode = DAC_PSEUDO8_8; /* estimation */
-	return info;
-}
-
-
-/* ------------------------------------------------------------------------- */
-
-
-static unsigned short dac_regs[4] = {0x3c8, 0x3c9, 0x3c6, 0x3c7};
-
-static void ark_dac_read_regs(void *data, u8 *code, int count)
-{
-	struct fb_info *info = data;
-	struct arkfb_info *par;
-	u8 regval;
-
-	par = info->par;
-	regval = vga_rseq(par->state.vgabase, 0x1C);
-	while (count != 0)
-	{
-		vga_wseq(par->state.vgabase, 0x1C, regval | (code[0] & 4 ? 0x80 : 0));
-		code[1] = vga_r(par->state.vgabase, dac_regs[code[0] & 3]);
-		count--;
-		code += 2;
-	}
-
-	vga_wseq(par->state.vgabase, 0x1C, regval);
-}
-
-static void ark_dac_write_regs(void *data, u8 *code, int count)
-{
-	struct fb_info *info = data;
-	struct arkfb_info *par;
-	u8 regval;
-
-	par = info->par;
-	regval = vga_rseq(par->state.vgabase, 0x1C);
-	while (count != 0)
-	{
-		vga_wseq(par->state.vgabase, 0x1C, regval | (code[0] & 4 ? 0x80 : 0));
-		vga_w(par->state.vgabase, dac_regs[code[0] & 3], code[1]);
-		count--;
-		code += 2;
-	}
-
-	vga_wseq(par->state.vgabase, 0x1C, regval);
-}
-
-
-static void ark_set_pixclock(struct fb_info *info, u32 pixclock)
-{
-	struct arkfb_info *par = info->par;
-	u8 regval;
-
-	int rv = dac_set_freq(par->dac, 0, 1000000000 / pixclock);
-	if (rv < 0) {
-		fb_err(info, "cannot set requested pixclock, keeping old value\n");
-		return;
-	}
-
-	/* Set VGA misc register  */
-	regval = vga_r(par->state.vgabase, VGA_MIS_R);
-	vga_w(par->state.vgabase, VGA_MIS_W, regval | VGA_MIS_ENB_PLL_LOAD);
-}
-
-
-/* Open framebuffer */
-
-static int arkfb_open(struct fb_info *info, int user)
-{
-	struct arkfb_info *par = info->par;
-
-	mutex_lock(&(par->open_lock));
-	if (par->ref_count == 0) {
-		void __iomem *vgabase = par->state.vgabase;
-
-		memset(&(par->state), 0, sizeof(struct vgastate));
-		par->state.vgabase = vgabase;
-		par->state.flags = VGA_SAVE_MODE | VGA_SAVE_FONTS | VGA_SAVE_CMAP;
-		par->state.num_crtc = 0x60;
-		par->state.num_seq = 0x30;
-		save_vga(&(par->state));
-	}
-
-	par->ref_count++;
-	mutex_unlock(&(par->open_lock));
-
-	return 0;
-}
-
-/* Close framebuffer */
-
-static int arkfb_release(struct fb_info *info, int user)
-{
-	struct arkfb_info *par = info->par;
-
-	mutex_lock(&(par->open_lock));
-	if (par->ref_count == 0) {
-		mutex_unlock(&(par->open_lock));
-		return -EINVAL;
-	}
-
-	if (par->ref_count == 1) {
-		restore_vga(&(par->state));
-		dac_set_mode(par->dac, DAC_PSEUDO8_8);
-	}
-
-	par->ref_count--;
-	mutex_unlock(&(par->open_lock));
-
-	return 0;
-}
-
-/* Validate passed in var */
-
-static int arkfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
-{
-	int rv, mem, step;
-
-	/* Find appropriate format */
-	rv = svga_match_format (arkfb_formats, var, NULL);
-	if (rv < 0)
-	{
-		fb_err(info, "unsupported mode requested\n");
-		return rv;
-	}
-
-	/* Do not allow to have real resoulution larger than virtual */
-	if (var->xres > var->xres_virtual)
-		var->xres_virtual = var->xres;
-
-	if (var->yres > var->yres_virtual)
-		var->yres_virtual = var->yres;
-
-	/* Round up xres_virtual to have proper alignment of lines */
-	step = arkfb_formats[rv].xresstep - 1;
-	var->xres_virtual = (var->xres_virtual+step) & ~step;
-
-
-	/* Check whether have enough memory */
-	mem = ((var->bits_per_pixel * var->xres_virtual) >> 3) * var->yres_virtual;
-	if (mem > info->screen_size)
-	{
-		fb_err(info, "not enough framebuffer memory (%d kB requested, %d kB available)\n",
-		       mem >> 10, (unsigned int) (info->screen_size >> 10));
-		return -EINVAL;
-	}
-
-	rv = svga_check_timings (&ark_timing_regs, var, info->node);
-	if (rv < 0)
-	{
-		fb_err(info, "invalid timings requested\n");
-		return rv;
-	}
-
-	/* Interlaced mode is broken */
-	if (var->vmode & FB_VMODE_INTERLACED)
-		return -EINVAL;
-
-	return 0;
-}
-
-/* Set video mode from par */
-
-static int arkfb_set_par(struct fb_info *info)
-{
-	struct arkfb_info *par = info->par;
-	u32 value, mode, hmul, hdiv, offset_value, screen_size;
-	u32 bpp = info->var.bits_per_pixel;
-	u8 regval;
-
-	if (bpp != 0) {
-		info->fix.ypanstep = 1;
-		info->fix.line_length = (info->var.xres_virtual * bpp) / 8;
-
-		info->flags &= ~FBINFO_MISC_TILEBLITTING;
-		info->tileops = NULL;
-
-		/* in 4bpp supports 8p wide tiles only, any tiles otherwise */
-		info->pixmap.blit_x = (bpp == 4) ? (1 << (8 - 1)) : (~(u32)0);
-		info->pixmap.blit_y = ~(u32)0;
-
-		offset_value = (info->var.xres_virtual * bpp) / 64;
-		screen_size = info->var.yres_virtual * info->fix.line_length;
-	} else {
-		info->fix.ypanstep = 16;
-		info->fix.line_length = 0;
-
-		info->flags |= FBINFO_MISC_TILEBLITTING;
-		info->tileops = &arkfb_tile_ops;
-
-		/* supports 8x16 tiles only */
-		info->pixmap.blit_x = 1 << (8 - 1);
-		info->pixmap.blit_y = 1 << (16 - 1);
-
-		offset_value = info->var.xres_virtual / 16;
-		screen_size = (info->var.xres_virtual * info->var.yres_virtual) / 64;
-	}
-
-	info->var.xoffset = 0;
-	info->var.yoffset = 0;
-	info->var.activate = FB_ACTIVATE_NOW;
-
-	/* Unlock registers */
-	svga_wcrt_mask(par->state.vgabase, 0x11, 0x00, 0x80);
-
-	/* Blank screen and turn off sync */
-	svga_wseq_mask(par->state.vgabase, 0x01, 0x20, 0x20);
-	svga_wcrt_mask(par->state.vgabase, 0x17, 0x00, 0x80);
-
-	/* Set default values */
-	svga_set_default_gfx_regs(par->state.vgabase);
-	svga_set_default_atc_regs(par->state.vgabase);
-	svga_set_default_seq_regs(par->state.vgabase);
-	svga_set_default_crt_regs(par->state.vgabase);
-	svga_wcrt_multi(par->state.vgabase, ark_line_compare_regs, 0xFFFFFFFF);
-	svga_wcrt_multi(par->state.vgabase, ark_start_address_regs, 0);
-
-	/* ARK specific initialization */
-	svga_wseq_mask(par->state.vgabase, 0x10, 0x1F, 0x1F); /* enable linear framebuffer and full memory access */
-	svga_wseq_mask(par->state.vgabase, 0x12, 0x03, 0x03); /* 4 MB linear framebuffer size */
-
-	vga_wseq(par->state.vgabase, 0x13, info->fix.smem_start >> 16);
-	vga_wseq(par->state.vgabase, 0x14, info->fix.smem_start >> 24);
-	vga_wseq(par->state.vgabase, 0x15, 0);
-	vga_wseq(par->state.vgabase, 0x16, 0);
-
-	/* Set the FIFO threshold register */
-	/* It is fascinating way to store 5-bit value in 8-bit register */
-	regval = 0x10 | ((threshold & 0x0E) >> 1) | (threshold & 0x01) << 7 | (threshold & 0x10) << 1;
-	vga_wseq(par->state.vgabase, 0x18, regval);
-
-	/* Set the offset register */
-	fb_dbg(info, "offset register       : %d\n", offset_value);
-	svga_wcrt_multi(par->state.vgabase, ark_offset_regs, offset_value);
-
-	/* fix for hi-res textmode */
-	svga_wcrt_mask(par->state.vgabase, 0x40, 0x08, 0x08);
-
-	if (info->var.vmode & FB_VMODE_DOUBLE)
-		svga_wcrt_mask(par->state.vgabase, 0x09, 0x80, 0x80);
-	else
-		svga_wcrt_mask(par->state.vgabase, 0x09, 0x00, 0x80);
-
-	if (info->var.vmode & FB_VMODE_INTERLACED)
-		svga_wcrt_mask(par->state.vgabase, 0x44, 0x04, 0x04);
-	else
-		svga_wcrt_mask(par->state.vgabase, 0x44, 0x00, 0x04);
-
-	hmul = 1;
-	hdiv = 1;
-	mode = svga_match_format(arkfb_formats, &(info->var), &(info->fix));
-
-	/* Set mode-specific register values */
-	switch (mode) {
-	case 0:
-		fb_dbg(info, "text mode\n");
-		svga_set_textmode_vga_regs(par->state.vgabase);
-
-		vga_wseq(par->state.vgabase, 0x11, 0x10); /* basic VGA mode */
-		svga_wcrt_mask(par->state.vgabase, 0x46, 0x00, 0x04); /* 8bit pixel path */
-		dac_set_mode(par->dac, DAC_PSEUDO8_8);
-
-		break;
-	case 1:
-		fb_dbg(info, "4 bit pseudocolor\n");
-		vga_wgfx(par->state.vgabase, VGA_GFX_MODE, 0x40);
-
-		vga_wseq(par->state.vgabase, 0x11, 0x10); /* basic VGA mode */
-		svga_wcrt_mask(par->state.vgabase, 0x46, 0x00, 0x04); /* 8bit pixel path */
-		dac_set_mode(par->dac, DAC_PSEUDO8_8);
-		break;
-	case 2:
-		fb_dbg(info, "4 bit pseudocolor, planar\n");
-
-		vga_wseq(par->state.vgabase, 0x11, 0x10); /* basic VGA mode */
-		svga_wcrt_mask(par->state.vgabase, 0x46, 0x00, 0x04); /* 8bit pixel path */
-		dac_set_mode(par->dac, DAC_PSEUDO8_8);
-		break;
-	case 3:
-		fb_dbg(info, "8 bit pseudocolor\n");
-
-		vga_wseq(par->state.vgabase, 0x11, 0x16); /* 8bpp accel mode */
-
-		if (info->var.pixclock > 20000) {
-			fb_dbg(info, "not using multiplex\n");
-			svga_wcrt_mask(par->state.vgabase, 0x46, 0x00, 0x04); /* 8bit pixel path */
-			dac_set_mode(par->dac, DAC_PSEUDO8_8);
-		} else {
-			fb_dbg(info, "using multiplex\n");
-			svga_wcrt_mask(par->state.vgabase, 0x46, 0x04, 0x04); /* 16bit pixel path */
-			dac_set_mode(par->dac, DAC_PSEUDO8_16);
-			hdiv = 2;
-		}
-		break;
-	case 4:
-		fb_dbg(info, "5/5/5 truecolor\n");
-
-		vga_wseq(par->state.vgabase, 0x11, 0x1A); /* 16bpp accel mode */
-		svga_wcrt_mask(par->state.vgabase, 0x46, 0x04, 0x04); /* 16bit pixel path */
-		dac_set_mode(par->dac, DAC_RGB1555_16);
-		break;
-	case 5:
-		fb_dbg(info, "5/6/5 truecolor\n");
-
-		vga_wseq(par->state.vgabase, 0x11, 0x1A); /* 16bpp accel mode */
-		svga_wcrt_mask(par->state.vgabase, 0x46, 0x04, 0x04); /* 16bit pixel path */
-		dac_set_mode(par->dac, DAC_RGB0565_16);
-		break;
-	case 6:
-		fb_dbg(info, "8/8/8 truecolor\n");
-
-		vga_wseq(par->state.vgabase, 0x11, 0x16); /* 8bpp accel mode ??? */
-		svga_wcrt_mask(par->state.vgabase, 0x46, 0x04, 0x04); /* 16bit pixel path */
-		dac_set_mode(par->dac, DAC_RGB0888_16);
-		hmul = 3;
-		hdiv = 2;
-		break;
-	case 7:
-		fb_dbg(info, "8/8/8/8 truecolor\n");
-
-		vga_wseq(par->state.vgabase, 0x11, 0x1E); /* 32bpp accel mode */
-		svga_wcrt_mask(par->state.vgabase, 0x46, 0x04, 0x04); /* 16bit pixel path */
-		dac_set_mode(par->dac, DAC_RGB8888_16);
-		hmul = 2;
-		break;
-	default:
-		fb_err(info, "unsupported mode - bug\n");
-		return -EINVAL;
-	}
-
-	ark_set_pixclock(info, (hdiv * info->var.pixclock) / hmul);
-	svga_set_timings(par->state.vgabase, &ark_timing_regs, &(info->var), hmul, hdiv,
-			 (info->var.vmode & FB_VMODE_DOUBLE)     ? 2 : 1,
-			 (info->var.vmode & FB_VMODE_INTERLACED) ? 2 : 1,
-			  hmul, info->node);
-
-	/* Set interlaced mode start/end register */
-	value = info->var.xres + info->var.left_margin + info->var.right_margin + info->var.hsync_len;
-	value = ((value * hmul / hdiv) / 8) - 5;
-	vga_wcrt(par->state.vgabase, 0x42, (value + 1) / 2);
-
-	memset_io(info->screen_base, 0x00, screen_size);
-	/* Device and screen back on */
-	svga_wcrt_mask(par->state.vgabase, 0x17, 0x80, 0x80);
-	svga_wseq_mask(par->state.vgabase, 0x01, 0x00, 0x20);
-
-	return 0;
-}
-
-/* Set a colour register */
-
-static int arkfb_setcolreg(u_int regno, u_int red, u_int green, u_int blue,
-				u_int transp, struct fb_info *fb)
-{
-	switch (fb->var.bits_per_pixel) {
-	case 0:
-	case 4:
-		if (regno >= 16)
-			return -EINVAL;
-
-		if ((fb->var.bits_per_pixel == 4) &&
-		    (fb->var.nonstd == 0)) {
-			outb(0xF0, VGA_PEL_MSK);
-			outb(regno*16, VGA_PEL_IW);
-		} else {
-			outb(0x0F, VGA_PEL_MSK);
-			outb(regno, VGA_PEL_IW);
-		}
-		outb(red >> 10, VGA_PEL_D);
-		outb(green >> 10, VGA_PEL_D);
-		outb(blue >> 10, VGA_PEL_D);
-		break;
-	case 8:
-		if (regno >= 256)
-			return -EINVAL;
-
-		outb(0xFF, VGA_PEL_MSK);
-		outb(regno, VGA_PEL_IW);
-		outb(red >> 10, VGA_PEL_D);
-		outb(green >> 10, VGA_PEL_D);
-		outb(blue >> 10, VGA_PEL_D);
-		break;
-	case 16:
-		if (regno >= 16)
-			return 0;
-
-		if (fb->var.green.length == 5)
-			((u32*)fb->pseudo_palette)[regno] = ((red & 0xF800) >> 1) |
-				((green & 0xF800) >> 6) | ((blue & 0xF800) >> 11);
-		else if (fb->var.green.length == 6)
-			((u32*)fb->pseudo_palette)[regno] = (red & 0xF800) |
-				((green & 0xFC00) >> 5) | ((blue & 0xF800) >> 11);
-		else
-			return -EINVAL;
-		break;
-	case 24:
-	case 32:
-		if (regno >= 16)
-			return 0;
-
-		((u32*)fb->pseudo_palette)[regno] = ((red & 0xFF00) << 8) |
-			(green & 0xFF00) | ((blue & 0xFF00) >> 8);
-		break;
-	default:
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
-/* Set the display blanking state */
-
-static int arkfb_blank(int blank_mode, struct fb_info *info)
-{
-	struct arkfb_info *par = info->par;
-
-	switch (blank_mode) {
-	case FB_BLANK_UNBLANK:
-		fb_dbg(info, "unblank\n");
-		svga_wseq_mask(par->state.vgabase, 0x01, 0x00, 0x20);
-		svga_wcrt_mask(par->state.vgabase, 0x17, 0x80, 0x80);
-		break;
-	case FB_BLANK_NORMAL:
-		fb_dbg(info, "blank\n");
-		svga_wseq_mask(par->state.vgabase, 0x01, 0x20, 0x20);
-		svga_wcrt_mask(par->state.vgabase, 0x17, 0x80, 0x80);
-		break;
-	case FB_BLANK_POWERDOWN:
-	case FB_BLANK_HSYNC_SUSPEND:
-	case FB_BLANK_VSYNC_SUSPEND:
-		fb_dbg(info, "sync down\n");
-		svga_wseq_mask(par->state.vgabase, 0x01, 0x20, 0x20);
-		svga_wcrt_mask(par->state.vgabase, 0x17, 0x00, 0x80);
-		break;
-	}
-	return 0;
-}
-
-
-/* Pan the display */
-
-static int arkfb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info)
-{
-	struct arkfb_info *par = info->par;
-	unsigned int offset;
-
-	/* Calculate the offset */
-	if (info->var.bits_per_pixel == 0) {
-		offset = (var->yoffset / 16) * (info->var.xres_virtual / 2)
-		       + (var->xoffset / 2);
-		offset = offset >> 2;
-	} else {
-		offset = (var->yoffset * info->fix.line_length) +
-			 (var->xoffset * info->var.bits_per_pixel / 8);
-		offset = offset >> ((info->var.bits_per_pixel == 4) ? 2 : 3);
-	}
-
-	/* Set the offset */
-	svga_wcrt_multi(par->state.vgabase, ark_start_address_regs, offset);
-
-	return 0;
-}
-
-
-/* ------------------------------------------------------------------------- */
-
-
-/* Frame buffer operations */
-
-static struct fb_ops arkfb_ops = {
-	.owner		= THIS_MODULE,
-	.fb_open	= arkfb_open,
-	.fb_release	= arkfb_release,
-	.fb_check_var	= arkfb_check_var,
-	.fb_set_par	= arkfb_set_par,
-	.fb_setcolreg	= arkfb_setcolreg,
-	.fb_blank	= arkfb_blank,
-	.fb_pan_display	= arkfb_pan_display,
-	.fb_fillrect	= arkfb_fillrect,
-	.fb_copyarea	= cfb_copyarea,
-	.fb_imageblit	= arkfb_imageblit,
-	.fb_get_caps    = svga_get_caps,
-};
-
-
-/* ------------------------------------------------------------------------- */
-
-
-/* PCI probe */
-static int ark_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
-{
-	struct pci_bus_region bus_reg;
-	struct resource vga_res;
-	struct fb_info *info;
-	struct arkfb_info *par;
-	int rc;
-	u8 regval;
-
-	/* Ignore secondary VGA device because there is no VGA arbitration */
-	if (! svga_primary_device(dev)) {
-		dev_info(&(dev->dev), "ignoring secondary device\n");
-		return -ENODEV;
-	}
-
-	/* Allocate and fill driver data structure */
-	info = framebuffer_alloc(sizeof(struct arkfb_info), &(dev->dev));
-	if (! info) {
-		dev_err(&(dev->dev), "cannot allocate memory\n");
-		return -ENOMEM;
-	}
-
-	par = info->par;
-	mutex_init(&par->open_lock);
-
-	info->flags = FBINFO_PARTIAL_PAN_OK | FBINFO_HWACCEL_YPAN;
-	info->fbops = &arkfb_ops;
-
-	/* Prepare PCI device */
-	rc = pci_enable_device(dev);
-	if (rc < 0) {
-		dev_err(info->device, "cannot enable PCI device\n");
-		goto err_enable_device;
-	}
-
-	rc = pci_request_regions(dev, "arkfb");
-	if (rc < 0) {
-		dev_err(info->device, "cannot reserve framebuffer region\n");
-		goto err_request_regions;
-	}
-
-	par->dac = ics5342_init(ark_dac_read_regs, ark_dac_write_regs, info);
-	if (! par->dac) {
-		rc = -ENOMEM;
-		dev_err(info->device, "RAMDAC initialization failed\n");
-		goto err_dac;
-	}
-
-	info->fix.smem_start = pci_resource_start(dev, 0);
-	info->fix.smem_len = pci_resource_len(dev, 0);
-
-	/* Map physical IO memory address into kernel space */
-	info->screen_base = pci_iomap(dev, 0, 0);
-	if (! info->screen_base) {
-		rc = -ENOMEM;
-		dev_err(info->device, "iomap for framebuffer failed\n");
-		goto err_iomap;
-	}
-
-	bus_reg.start = 0;
-	bus_reg.end = 64 * 1024;
-
-	vga_res.flags = IORESOURCE_IO;
-
-	pcibios_bus_to_resource(dev->bus, &vga_res, &bus_reg);
-
-	par->state.vgabase = (void __iomem *) vga_res.start;
-
-	/* FIXME get memsize */
-	regval = vga_rseq(par->state.vgabase, 0x10);
-	info->screen_size = (1 << (regval >> 6)) << 20;
-	info->fix.smem_len = info->screen_size;
-
-	strcpy(info->fix.id, "ARK 2000PV");
-	info->fix.mmio_start = 0;
-	info->fix.mmio_len = 0;
-	info->fix.type = FB_TYPE_PACKED_PIXELS;
-	info->fix.visual = FB_VISUAL_PSEUDOCOLOR;
-	info->fix.ypanstep = 0;
-	info->fix.accel = FB_ACCEL_NONE;
-	info->pseudo_palette = (void*) (par->pseudo_palette);
-
-	/* Prepare startup mode */
-	rc = fb_find_mode(&(info->var), info, mode_option, NULL, 0, NULL, 8);
-	if (! ((rc == 1) || (rc == 2))) {
-		rc = -EINVAL;
-		dev_err(info->device, "mode %s not found\n", mode_option);
-		goto err_find_mode;
-	}
-
-	rc = fb_alloc_cmap(&info->cmap, 256, 0);
-	if (rc < 0) {
-		dev_err(info->device, "cannot allocate colormap\n");
-		goto err_alloc_cmap;
-	}
-
-	rc = register_framebuffer(info);
-	if (rc < 0) {
-		dev_err(info->device, "cannot register framebuffer\n");
-		goto err_reg_fb;
-	}
-
-	fb_info(info, "%s on %s, %d MB RAM\n",
-		info->fix.id, pci_name(dev), info->fix.smem_len >> 20);
-
-	/* Record a reference to the driver data */
-	pci_set_drvdata(dev, info);
-
-#ifdef CONFIG_MTRR
-	if (mtrr) {
-		par->mtrr_reg = -1;
-		par->mtrr_reg = mtrr_add(info->fix.smem_start, info->fix.smem_len, MTRR_TYPE_WRCOMB, 1);
-	}
-#endif
-
-	return 0;
-
-	/* Error handling */
-err_reg_fb:
-	fb_dealloc_cmap(&info->cmap);
-err_alloc_cmap:
-err_find_mode:
-	pci_iounmap(dev, info->screen_base);
-err_iomap:
-	dac_release(par->dac);
-err_dac:
-	pci_release_regions(dev);
-err_request_regions:
-/*	pci_disable_device(dev); */
-err_enable_device:
-	framebuffer_release(info);
-	return rc;
-}
-
-/* PCI remove */
-
-static void ark_pci_remove(struct pci_dev *dev)
-{
-	struct fb_info *info = pci_get_drvdata(dev);
-
-	if (info) {
-		struct arkfb_info *par = info->par;
-
-#ifdef CONFIG_MTRR
-		if (par->mtrr_reg >= 0) {
-			mtrr_del(par->mtrr_reg, 0, 0);
-			par->mtrr_reg = -1;
-		}
-#endif
-
-		dac_release(par->dac);
-		unregister_framebuffer(info);
-		fb_dealloc_cmap(&info->cmap);
-
-		pci_iounmap(dev, info->screen_base);
-		pci_release_regions(dev);
-/*		pci_disable_device(dev); */
-
-		framebuffer_release(info);
-	}
-}
-
-
-#ifdef CONFIG_PM
-/* PCI suspend */
-
-static int ark_pci_suspend (struct pci_dev* dev, pm_message_t state)
-{
-	struct fb_info *info = pci_get_drvdata(dev);
-	struct arkfb_info *par = info->par;
-
-	dev_info(info->device, "suspend\n");
-
-	console_lock();
-	mutex_lock(&(par->open_lock));
-
-	if ((state.event == PM_EVENT_FREEZE) || (par->ref_count == 0)) {
-		mutex_unlock(&(par->open_lock));
-		console_unlock();
-		return 0;
-	}
-
-	fb_set_suspend(info, 1);
-
-	pci_save_state(dev);
-	pci_disable_device(dev);
-	pci_set_power_state(dev, pci_choose_state(dev, state));
-
-	mutex_unlock(&(par->open_lock));
-	console_unlock();
-
-	return 0;
-}
-
-
-/* PCI resume */
-
-static int ark_pci_resume (struct pci_dev* dev)
-{
-	struct fb_info *info = pci_get_drvdata(dev);
-	struct arkfb_info *par = info->par;
-
-	dev_info(info->device, "resume\n");
-
-	console_lock();
-	mutex_lock(&(par->open_lock));
-
-	if (par->ref_count == 0)
-		goto fail;
-
-	pci_set_power_state(dev, PCI_D0);
-	pci_restore_state(dev);
-
-	if (pci_enable_device(dev))
-		goto fail;
-
-	pci_set_master(dev);
-
-	arkfb_set_par(info);
-	fb_set_suspend(info, 0);
-
-fail:
-	mutex_unlock(&(par->open_lock));
-	console_unlock();
-	return 0;
-}
-#else
-#define ark_pci_suspend NULL
-#define ark_pci_resume NULL
-#endif /* CONFIG_PM */
-
-/* List of boards that we are trying to support */
-
-static struct pci_device_id ark_devices[] = {
-	{PCI_DEVICE(0xEDD8, 0xA099)},
-	{0, 0, 0, 0, 0, 0, 0}
-};
-
-
-MODULE_DEVICE_TABLE(pci, ark_devices);
-
-static struct pci_driver arkfb_pci_driver = {
-	.name		= "arkfb",
-	.id_table	= ark_devices,
-	.probe		= ark_pci_probe,
-	.remove		= ark_pci_remove,
-	.suspend	= ark_pci_suspend,
-	.resume		= ark_pci_resume,
-};
-
-/* Cleanup */
-
-static void __exit arkfb_cleanup(void)
-{
-	pr_debug("arkfb: cleaning up\n");
-	pci_unregister_driver(&arkfb_pci_driver);
-}
-
-/* Driver Initialisation */
-
-static int __init arkfb_init(void)
-{
-
-#ifndef MODULE
-	char *option = NULL;
-
-	if (fb_get_options("arkfb", &option))
-		return -ENODEV;
-
-	if (option && *option)
-		mode_option = option;
-#endif
-
-	pr_debug("arkfb: initializing\n");
-	return pci_register_driver(&arkfb_pci_driver);
-}
-
-module_init(arkfb_init);
-module_exit(arkfb_cleanup);