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, 2121 deletions

diff --git a/drivers/video/intelfb/intelfbhw.c b/drivers/video/intelfb/intelfbhw.c
deleted file mode 100644
index fbad61da359f..000000000000
--- a/drivers/video/intelfb/intelfbhw.c
+++ /dev/null
@@ -1,2121 +0,0 @@
-/*
- * intelfb
- *
- * Linux framebuffer driver for Intel(R) 865G integrated graphics chips.
- *
- * Copyright © 2002, 2003 David Dawes <dawes@xfree86.org>
- *                   2004 Sylvain Meyer
- *
- * This driver consists of two parts.  The first part (intelfbdrv.c) provides
- * the basic fbdev interfaces, is derived in part from the radeonfb and
- * vesafb drivers, and is covered by the GPL.  The second part (intelfbhw.c)
- * provides the code to program the hardware.  Most of it is derived from
- * the i810/i830 XFree86 driver.  The HW-specific code is covered here
- * under a dual license (GPL and MIT/XFree86 license).
- *
- * Author: David Dawes
- *
- */
-
-/* $DHD: intelfb/intelfbhw.c,v 1.9 2003/06/27 15:06:25 dawes Exp $ */
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/string.h>
-#include <linux/mm.h>
-#include <linux/delay.h>
-#include <linux/fb.h>
-#include <linux/ioport.h>
-#include <linux/init.h>
-#include <linux/pci.h>
-#include <linux/vmalloc.h>
-#include <linux/pagemap.h>
-#include <linux/interrupt.h>
-
-#include <asm/io.h>
-
-#include "intelfb.h"
-#include "intelfbhw.h"
-
-struct pll_min_max {
-	int min_m, max_m, min_m1, max_m1;
-	int min_m2, max_m2, min_n, max_n;
-	int min_p, max_p, min_p1, max_p1;
-	int min_vco, max_vco, p_transition_clk, ref_clk;
-	int p_inc_lo, p_inc_hi;
-};
-
-#define PLLS_I8xx 0
-#define PLLS_I9xx 1
-#define PLLS_MAX 2
-
-static struct pll_min_max plls[PLLS_MAX] = {
-	{ 108, 140, 18, 26,
-	  6, 16, 3, 16,
-	  4, 128, 0, 31,
-	  930000, 1400000, 165000, 48000,
-	  4, 2 },		/* I8xx */
-
-	{ 75, 120, 10, 20,
-	  5, 9, 4, 7,
-	  5, 80, 1, 8,
-	  1400000, 2800000, 200000, 96000,
-	  10, 5 }		/* I9xx */
-};
-
-int intelfbhw_get_chipset(struct pci_dev *pdev, struct intelfb_info *dinfo)
-{
-	u32 tmp;
-	if (!pdev || !dinfo)
-		return 1;
-
-	switch (pdev->device) {
-	case PCI_DEVICE_ID_INTEL_830M:
-		dinfo->name = "Intel(R) 830M";
-		dinfo->chipset = INTEL_830M;
-		dinfo->mobile = 1;
-		dinfo->pll_index = PLLS_I8xx;
-		return 0;
-	case PCI_DEVICE_ID_INTEL_845G:
-		dinfo->name = "Intel(R) 845G";
-		dinfo->chipset = INTEL_845G;
-		dinfo->mobile = 0;
-		dinfo->pll_index = PLLS_I8xx;
-		return 0;
-	case PCI_DEVICE_ID_INTEL_854:
-		dinfo->mobile = 1;
-		dinfo->name = "Intel(R) 854";
-		dinfo->chipset = INTEL_854;
-		return 0;
-	case PCI_DEVICE_ID_INTEL_85XGM:
-		tmp = 0;
-		dinfo->mobile = 1;
-		dinfo->pll_index = PLLS_I8xx;
-		pci_read_config_dword(pdev, INTEL_85X_CAPID, &tmp);
-		switch ((tmp >> INTEL_85X_VARIANT_SHIFT) &
-			INTEL_85X_VARIANT_MASK) {
-		case INTEL_VAR_855GME:
-			dinfo->name = "Intel(R) 855GME";
-			dinfo->chipset = INTEL_855GME;
-			return 0;
-		case INTEL_VAR_855GM:
-			dinfo->name = "Intel(R) 855GM";
-			dinfo->chipset = INTEL_855GM;
-			return 0;
-		case INTEL_VAR_852GME:
-			dinfo->name = "Intel(R) 852GME";
-			dinfo->chipset = INTEL_852GME;
-			return 0;
-		case INTEL_VAR_852GM:
-			dinfo->name = "Intel(R) 852GM";
-			dinfo->chipset = INTEL_852GM;
-			return 0;
-		default:
-			dinfo->name = "Intel(R) 852GM/855GM";
-			dinfo->chipset = INTEL_85XGM;
-			return 0;
-		}
-		break;
-	case PCI_DEVICE_ID_INTEL_865G:
-		dinfo->name = "Intel(R) 865G";
-		dinfo->chipset = INTEL_865G;
-		dinfo->mobile = 0;
-		dinfo->pll_index = PLLS_I8xx;
-		return 0;
-	case PCI_DEVICE_ID_INTEL_915G:
-		dinfo->name = "Intel(R) 915G";
-		dinfo->chipset = INTEL_915G;
-		dinfo->mobile = 0;
-		dinfo->pll_index = PLLS_I9xx;
-		return 0;
-	case PCI_DEVICE_ID_INTEL_915GM:
-		dinfo->name = "Intel(R) 915GM";
-		dinfo->chipset = INTEL_915GM;
-		dinfo->mobile = 1;
-		dinfo->pll_index = PLLS_I9xx;
-		return 0;
-	case PCI_DEVICE_ID_INTEL_945G:
-		dinfo->name = "Intel(R) 945G";
-		dinfo->chipset = INTEL_945G;
-		dinfo->mobile = 0;
-		dinfo->pll_index = PLLS_I9xx;
-		return 0;
-	case PCI_DEVICE_ID_INTEL_945GM:
-		dinfo->name = "Intel(R) 945GM";
-		dinfo->chipset = INTEL_945GM;
-		dinfo->mobile = 1;
-		dinfo->pll_index = PLLS_I9xx;
-		return 0;
-	case PCI_DEVICE_ID_INTEL_945GME:
-		dinfo->name = "Intel(R) 945GME";
-		dinfo->chipset = INTEL_945GME;
-		dinfo->mobile = 1;
-		dinfo->pll_index = PLLS_I9xx;
-		return 0;
-	case PCI_DEVICE_ID_INTEL_965G:
-		dinfo->name = "Intel(R) 965G";
-		dinfo->chipset = INTEL_965G;
-		dinfo->mobile = 0;
-		dinfo->pll_index = PLLS_I9xx;
-		return 0;
-	case PCI_DEVICE_ID_INTEL_965GM:
-		dinfo->name = "Intel(R) 965GM";
-		dinfo->chipset = INTEL_965GM;
-		dinfo->mobile = 1;
-		dinfo->pll_index = PLLS_I9xx;
-		return 0;
-	default:
-		return 1;
-	}
-}
-
-int intelfbhw_get_memory(struct pci_dev *pdev, int *aperture_size,
-			 int *stolen_size)
-{
-	struct pci_dev *bridge_dev;
-	u16 tmp;
-	int stolen_overhead;
-
-	if (!pdev || !aperture_size || !stolen_size)
-		return 1;
-
-	/* Find the bridge device.  It is always 0:0.0 */
-	if (!(bridge_dev = pci_get_bus_and_slot(0, PCI_DEVFN(0, 0)))) {
-		ERR_MSG("cannot find bridge device\n");
-		return 1;
-	}
-
-	/* Get the fb aperture size and "stolen" memory amount. */
-	tmp = 0;
-	pci_read_config_word(bridge_dev, INTEL_GMCH_CTRL, &tmp);
-	pci_dev_put(bridge_dev);
-
-	switch (pdev->device) {
-	case PCI_DEVICE_ID_INTEL_915G:
-	case PCI_DEVICE_ID_INTEL_915GM:
-	case PCI_DEVICE_ID_INTEL_945G:
-	case PCI_DEVICE_ID_INTEL_945GM:
-	case PCI_DEVICE_ID_INTEL_945GME:
-	case PCI_DEVICE_ID_INTEL_965G:
-	case PCI_DEVICE_ID_INTEL_965GM:
-		/* 915, 945 and 965 chipsets support a 256MB aperture.
-		   Aperture size is determined by inspected the
-		   base address of the aperture. */
-		if (pci_resource_start(pdev, 2) & 0x08000000)
-			*aperture_size = MB(128);
-		else
-			*aperture_size = MB(256);
-		break;
-	default:
-		if ((tmp & INTEL_GMCH_MEM_MASK) == INTEL_GMCH_MEM_64M)
-			*aperture_size = MB(64);
-		else
-			*aperture_size = MB(128);
-		break;
-	}
-
-	/* Stolen memory size is reduced by the GTT and the popup.
-	   GTT is 1K per MB of aperture size, and popup is 4K. */
-	stolen_overhead = (*aperture_size / MB(1)) + 4;
-	switch(pdev->device) {
-	case PCI_DEVICE_ID_INTEL_830M:
-	case PCI_DEVICE_ID_INTEL_845G:
-		switch (tmp & INTEL_830_GMCH_GMS_MASK) {
-		case INTEL_830_GMCH_GMS_STOLEN_512:
-			*stolen_size = KB(512) - KB(stolen_overhead);
-			return 0;
-		case INTEL_830_GMCH_GMS_STOLEN_1024:
-			*stolen_size = MB(1) - KB(stolen_overhead);
-			return 0;
-		case INTEL_830_GMCH_GMS_STOLEN_8192:
-			*stolen_size = MB(8) - KB(stolen_overhead);
-			return 0;
-		case INTEL_830_GMCH_GMS_LOCAL:
-			ERR_MSG("only local memory found\n");
-			return 1;
-		case INTEL_830_GMCH_GMS_DISABLED:
-			ERR_MSG("video memory is disabled\n");
-			return 1;
-		default:
-			ERR_MSG("unexpected GMCH_GMS value: 0x%02x\n",
-				tmp & INTEL_830_GMCH_GMS_MASK);
-			return 1;
-		}
-		break;
-	default:
-		switch (tmp & INTEL_855_GMCH_GMS_MASK) {
-		case INTEL_855_GMCH_GMS_STOLEN_1M:
-			*stolen_size = MB(1) - KB(stolen_overhead);
-			return 0;
-		case INTEL_855_GMCH_GMS_STOLEN_4M:
-			*stolen_size = MB(4) - KB(stolen_overhead);
-			return 0;
-		case INTEL_855_GMCH_GMS_STOLEN_8M:
-			*stolen_size = MB(8) - KB(stolen_overhead);
-			return 0;
-		case INTEL_855_GMCH_GMS_STOLEN_16M:
-			*stolen_size = MB(16) - KB(stolen_overhead);
-			return 0;
-		case INTEL_855_GMCH_GMS_STOLEN_32M:
-			*stolen_size = MB(32) - KB(stolen_overhead);
-			return 0;
-		case INTEL_915G_GMCH_GMS_STOLEN_48M:
-			*stolen_size = MB(48) - KB(stolen_overhead);
-			return 0;
-		case INTEL_915G_GMCH_GMS_STOLEN_64M:
-			*stolen_size = MB(64) - KB(stolen_overhead);
-			return 0;
-		case INTEL_855_GMCH_GMS_DISABLED:
-			ERR_MSG("video memory is disabled\n");
-			return 0;
-		default:
-			ERR_MSG("unexpected GMCH_GMS value: 0x%02x\n",
-				tmp & INTEL_855_GMCH_GMS_MASK);
-			return 1;
-		}
-	}
-}
-
-int intelfbhw_check_non_crt(struct intelfb_info *dinfo)
-{
-	int dvo = 0;
-
-	if (INREG(LVDS) & PORT_ENABLE)
-		dvo |= LVDS_PORT;
-	if (INREG(DVOA) & PORT_ENABLE)
-		dvo |= DVOA_PORT;
-	if (INREG(DVOB) & PORT_ENABLE)
-		dvo |= DVOB_PORT;
-	if (INREG(DVOC) & PORT_ENABLE)
-		dvo |= DVOC_PORT;
-
-	return dvo;
-}
-
-const char * intelfbhw_dvo_to_string(int dvo)
-{
-	if (dvo & DVOA_PORT)
-		return "DVO port A";
-	else if (dvo & DVOB_PORT)
-		return "DVO port B";
-	else if (dvo & DVOC_PORT)
-		return "DVO port C";
-	else if (dvo & LVDS_PORT)
-		return "LVDS port";
-	else
-		return NULL;
-}
-
-
-int intelfbhw_validate_mode(struct intelfb_info *dinfo,
-			    struct fb_var_screeninfo *var)
-{
-	int bytes_per_pixel;
-	int tmp;
-
-#if VERBOSE > 0
-	DBG_MSG("intelfbhw_validate_mode\n");
-#endif
-
-	bytes_per_pixel = var->bits_per_pixel / 8;
-	if (bytes_per_pixel == 3)
-		bytes_per_pixel = 4;
-
-	/* Check if enough video memory. */
-	tmp = var->yres_virtual * var->xres_virtual * bytes_per_pixel;
-	if (tmp > dinfo->fb.size) {
-		WRN_MSG("Not enough video ram for mode "
-			"(%d KByte vs %d KByte).\n",
-			BtoKB(tmp), BtoKB(dinfo->fb.size));
-		return 1;
-	}
-
-	/* Check if x/y limits are OK. */
-	if (var->xres - 1 > HACTIVE_MASK) {
-		WRN_MSG("X resolution too large (%d vs %d).\n",
-			var->xres, HACTIVE_MASK + 1);
-		return 1;
-	}
-	if (var->yres - 1 > VACTIVE_MASK) {
-		WRN_MSG("Y resolution too large (%d vs %d).\n",
-			var->yres, VACTIVE_MASK + 1);
-		return 1;
-	}
-	if (var->xres < 4) {
-		WRN_MSG("X resolution too small (%d vs 4).\n", var->xres);
-		return 1;
-	}
-	if (var->yres < 4) {
-		WRN_MSG("Y resolution too small (%d vs 4).\n", var->yres);
-		return 1;
-	}
-
-	/* Check for doublescan modes. */
-	if (var->vmode & FB_VMODE_DOUBLE) {
-		WRN_MSG("Mode is double-scan.\n");
-		return 1;
-	}
-
-	if ((var->vmode & FB_VMODE_INTERLACED) && (var->yres & 1)) {
-		WRN_MSG("Odd number of lines in interlaced mode\n");
-		return 1;
-	}
-
-	/* Check if clock is OK. */
-	tmp = 1000000000 / var->pixclock;
-	if (tmp < MIN_CLOCK) {
-		WRN_MSG("Pixel clock is too low (%d MHz vs %d MHz).\n",
-			(tmp + 500) / 1000, MIN_CLOCK / 1000);
-		return 1;
-	}
-	if (tmp > MAX_CLOCK) {
-		WRN_MSG("Pixel clock is too high (%d MHz vs %d MHz).\n",
-			(tmp + 500) / 1000, MAX_CLOCK / 1000);
-		return 1;
-	}
-
-	return 0;
-}
-
-int intelfbhw_pan_display(struct fb_var_screeninfo *var, struct fb_info *info)
-{
-	struct intelfb_info *dinfo = GET_DINFO(info);
-	u32 offset, xoffset, yoffset;
-
-#if VERBOSE > 0
-	DBG_MSG("intelfbhw_pan_display\n");
-#endif
-
-	xoffset = ROUND_DOWN_TO(var->xoffset, 8);
-	yoffset = var->yoffset;
-
-	if ((xoffset + info->var.xres > info->var.xres_virtual) ||
-	    (yoffset + info->var.yres > info->var.yres_virtual))
-		return -EINVAL;
-
-	offset = (yoffset * dinfo->pitch) +
-		 (xoffset * info->var.bits_per_pixel) / 8;
-
-	offset += dinfo->fb.offset << 12;
-
-	dinfo->vsync.pan_offset = offset;
-	if ((var->activate & FB_ACTIVATE_VBL) &&
-	    !intelfbhw_enable_irq(dinfo))
-		dinfo->vsync.pan_display = 1;
-	else {
-		dinfo->vsync.pan_display = 0;
-		OUTREG(DSPABASE, offset);
-	}
-
-	return 0;
-}
-
-/* Blank the screen. */
-void intelfbhw_do_blank(int blank, struct fb_info *info)
-{
-	struct intelfb_info *dinfo = GET_DINFO(info);
-	u32 tmp;
-
-#if VERBOSE > 0
-	DBG_MSG("intelfbhw_do_blank: blank is %d\n", blank);
-#endif
-
-	/* Turn plane A on or off */
-	tmp = INREG(DSPACNTR);
-	if (blank)
-		tmp &= ~DISPPLANE_PLANE_ENABLE;
-	else
-		tmp |= DISPPLANE_PLANE_ENABLE;
-	OUTREG(DSPACNTR, tmp);
-	/* Flush */
-	tmp = INREG(DSPABASE);
-	OUTREG(DSPABASE, tmp);
-
-	/* Turn off/on the HW cursor */
-#if VERBOSE > 0
-	DBG_MSG("cursor_on is %d\n", dinfo->cursor_on);
-#endif
-	if (dinfo->cursor_on) {
-		if (blank)
-			intelfbhw_cursor_hide(dinfo);
-		else
-			intelfbhw_cursor_show(dinfo);
-		dinfo->cursor_on = 1;
-	}
-	dinfo->cursor_blanked = blank;
-
-	/* Set DPMS level */
-	tmp = INREG(ADPA) & ~ADPA_DPMS_CONTROL_MASK;
-	switch (blank) {
-	case FB_BLANK_UNBLANK:
-	case FB_BLANK_NORMAL:
-		tmp |= ADPA_DPMS_D0;
-		break;
-	case FB_BLANK_VSYNC_SUSPEND:
-		tmp |= ADPA_DPMS_D1;
-		break;
-	case FB_BLANK_HSYNC_SUSPEND:
-		tmp |= ADPA_DPMS_D2;
-		break;
-	case FB_BLANK_POWERDOWN:
-		tmp |= ADPA_DPMS_D3;
-		break;
-	}
-	OUTREG(ADPA, tmp);
-
-	return;
-}
-
-
-/* Check which pipe is connected to an active display plane. */
-int intelfbhw_active_pipe(const struct intelfb_hwstate *hw)
-{
-	int pipe = -1;
-
-	/* keep old default behaviour - prefer PIPE_A */
-	if (hw->disp_b_ctrl & DISPPLANE_PLANE_ENABLE) {
-		pipe = (hw->disp_b_ctrl >> DISPPLANE_SEL_PIPE_SHIFT);
-		pipe &= PIPE_MASK;
-		if (unlikely(pipe == PIPE_A))
-			return PIPE_A;
-	}
-	if (hw->disp_a_ctrl & DISPPLANE_PLANE_ENABLE) {
-		pipe = (hw->disp_a_ctrl >> DISPPLANE_SEL_PIPE_SHIFT);
-		pipe &= PIPE_MASK;
-		if (likely(pipe == PIPE_A))
-			return PIPE_A;
-	}
-	/* Impossible that no pipe is selected - return PIPE_A */
-	WARN_ON(pipe == -1);
-	if (unlikely(pipe == -1))
-		pipe = PIPE_A;
-
-	return pipe;
-}
-
-void intelfbhw_setcolreg(struct intelfb_info *dinfo, unsigned regno,
-			 unsigned red, unsigned green, unsigned blue,
-			 unsigned transp)
-{
-	u32 palette_reg = (dinfo->pipe == PIPE_A) ?
-			  PALETTE_A : PALETTE_B;
-
-#if VERBOSE > 0
-	DBG_MSG("intelfbhw_setcolreg: %d: (%d, %d, %d)\n",
-		regno, red, green, blue);
-#endif
-
-	OUTREG(palette_reg + (regno << 2),
-	       (red << PALETTE_8_RED_SHIFT) |
-	       (green << PALETTE_8_GREEN_SHIFT) |
-	       (blue << PALETTE_8_BLUE_SHIFT));
-}
-
-
-int intelfbhw_read_hw_state(struct intelfb_info *dinfo,
-			    struct intelfb_hwstate *hw, int flag)
-{
-	int i;
-
-#if VERBOSE > 0
-	DBG_MSG("intelfbhw_read_hw_state\n");
-#endif
-
-	if (!hw || !dinfo)
-		return -1;
-
-	/* Read in as much of the HW state as possible. */
-	hw->vga0_divisor = INREG(VGA0_DIVISOR);
-	hw->vga1_divisor = INREG(VGA1_DIVISOR);
-	hw->vga_pd = INREG(VGAPD);
-	hw->dpll_a = INREG(DPLL_A);
-	hw->dpll_b = INREG(DPLL_B);
-	hw->fpa0 = INREG(FPA0);
-	hw->fpa1 = INREG(FPA1);
-	hw->fpb0 = INREG(FPB0);
-	hw->fpb1 = INREG(FPB1);
-
-	if (flag == 1)
-		return flag;
-
-#if 0
-	/* This seems to be a problem with the 852GM/855GM */
-	for (i = 0; i < PALETTE_8_ENTRIES; i++) {
-		hw->palette_a[i] = INREG(PALETTE_A + (i << 2));
-		hw->palette_b[i] = INREG(PALETTE_B + (i << 2));
-	}
-#endif
-
-	if (flag == 2)
-		return flag;
-
-	hw->htotal_a = INREG(HTOTAL_A);
-	hw->hblank_a = INREG(HBLANK_A);
-	hw->hsync_a = INREG(HSYNC_A);
-	hw->vtotal_a = INREG(VTOTAL_A);
-	hw->vblank_a = INREG(VBLANK_A);
-	hw->vsync_a = INREG(VSYNC_A);
-	hw->src_size_a = INREG(SRC_SIZE_A);
-	hw->bclrpat_a = INREG(BCLRPAT_A);
-	hw->htotal_b = INREG(HTOTAL_B);
-	hw->hblank_b = INREG(HBLANK_B);
-	hw->hsync_b = INREG(HSYNC_B);
-	hw->vtotal_b = INREG(VTOTAL_B);
-	hw->vblank_b = INREG(VBLANK_B);
-	hw->vsync_b = INREG(VSYNC_B);
-	hw->src_size_b = INREG(SRC_SIZE_B);
-	hw->bclrpat_b = INREG(BCLRPAT_B);
-
-	if (flag == 3)
-		return flag;
-
-	hw->adpa = INREG(ADPA);
-	hw->dvoa = INREG(DVOA);
-	hw->dvob = INREG(DVOB);
-	hw->dvoc = INREG(DVOC);
-	hw->dvoa_srcdim = INREG(DVOA_SRCDIM);
-	hw->dvob_srcdim = INREG(DVOB_SRCDIM);
-	hw->dvoc_srcdim = INREG(DVOC_SRCDIM);
-	hw->lvds = INREG(LVDS);
-
-	if (flag == 4)
-		return flag;
-
-	hw->pipe_a_conf = INREG(PIPEACONF);
-	hw->pipe_b_conf = INREG(PIPEBCONF);
-	hw->disp_arb = INREG(DISPARB);
-
-	if (flag == 5)
-		return flag;
-
-	hw->cursor_a_control = INREG(CURSOR_A_CONTROL);
-	hw->cursor_b_control = INREG(CURSOR_B_CONTROL);
-	hw->cursor_a_base = INREG(CURSOR_A_BASEADDR);
-	hw->cursor_b_base = INREG(CURSOR_B_BASEADDR);
-
-	if (flag == 6)
-		return flag;
-
-	for (i = 0; i < 4; i++) {
-		hw->cursor_a_palette[i] = INREG(CURSOR_A_PALETTE0 + (i << 2));
-		hw->cursor_b_palette[i] = INREG(CURSOR_B_PALETTE0 + (i << 2));
-	}
-
-	if (flag == 7)
-		return flag;
-
-	hw->cursor_size = INREG(CURSOR_SIZE);
-
-	if (flag == 8)
-		return flag;
-
-	hw->disp_a_ctrl = INREG(DSPACNTR);
-	hw->disp_b_ctrl = INREG(DSPBCNTR);
-	hw->disp_a_base = INREG(DSPABASE);
-	hw->disp_b_base = INREG(DSPBBASE);
-	hw->disp_a_stride = INREG(DSPASTRIDE);
-	hw->disp_b_stride = INREG(DSPBSTRIDE);
-
-	if (flag == 9)
-		return flag;
-
-	hw->vgacntrl = INREG(VGACNTRL);
-
-	if (flag == 10)
-		return flag;
-
-	hw->add_id = INREG(ADD_ID);
-
-	if (flag == 11)
-		return flag;
-
-	for (i = 0; i < 7; i++) {
-		hw->swf0x[i] = INREG(SWF00 + (i << 2));
-		hw->swf1x[i] = INREG(SWF10 + (i << 2));
-		if (i < 3)
-			hw->swf3x[i] = INREG(SWF30 + (i << 2));
-	}
-
-	for (i = 0; i < 8; i++)
-		hw->fence[i] = INREG(FENCE + (i << 2));
-
-	hw->instpm = INREG(INSTPM);
-	hw->mem_mode = INREG(MEM_MODE);
-	hw->fw_blc_0 = INREG(FW_BLC_0);
-	hw->fw_blc_1 = INREG(FW_BLC_1);
-
-	hw->hwstam = INREG16(HWSTAM);
-	hw->ier = INREG16(IER);
-	hw->iir = INREG16(IIR);
-	hw->imr = INREG16(IMR);
-
-	return 0;
-}
-
-
-static int calc_vclock3(int index, int m, int n, int p)
-{
-	if (p == 0 || n == 0)
-		return 0;
-	return plls[index].ref_clk * m / n / p;
-}
-
-static int calc_vclock(int index, int m1, int m2, int n, int p1, int p2,
-		       int lvds)
-{
-	struct pll_min_max *pll = &plls[index];
-	u32 m, vco, p;
-
-	m = (5 * (m1 + 2)) + (m2 + 2);
-	n += 2;
-	vco = pll->ref_clk * m / n;
-
-	if (index == PLLS_I8xx)
-		p = ((p1 + 2) * (1 << (p2 + 1)));
-	else
-		p = ((p1) * (p2 ? 5 : 10));
-	return vco / p;
-}
-
-#if REGDUMP
-static void intelfbhw_get_p1p2(struct intelfb_info *dinfo, int dpll,
-			       int *o_p1, int *o_p2)
-{
-	int p1, p2;
-
-	if (IS_I9XX(dinfo)) {
-		if (dpll & DPLL_P1_FORCE_DIV2)
-			p1 = 1;
-		else
-			p1 = (dpll >> DPLL_P1_SHIFT) & 0xff;
-
-		p1 = ffs(p1);
-
-		p2 = (dpll >> DPLL_I9XX_P2_SHIFT) & DPLL_P2_MASK;
-	} else {
-		if (dpll & DPLL_P1_FORCE_DIV2)
-			p1 = 0;
-		else
-			p1 = (dpll >> DPLL_P1_SHIFT) & DPLL_P1_MASK;
-		p2 = (dpll >> DPLL_P2_SHIFT) & DPLL_P2_MASK;
-	}
-
-	*o_p1 = p1;
-	*o_p2 = p2;
-}
-#endif
-
-
-void intelfbhw_print_hw_state(struct intelfb_info *dinfo,
-			      struct intelfb_hwstate *hw)
-{
-#if REGDUMP
-	int i, m1, m2, n, p1, p2;
-	int index = dinfo->pll_index;
-	DBG_MSG("intelfbhw_print_hw_state\n");
-
-	if (!hw)
-		return;
-	/* Read in as much of the HW state as possible. */
-	printk("hw state dump start\n");
-	printk("	VGA0_DIVISOR:		0x%08x\n", hw->vga0_divisor);
-	printk("	VGA1_DIVISOR:		0x%08x\n", hw->vga1_divisor);
-	printk("	VGAPD:			0x%08x\n", hw->vga_pd);
-	n = (hw->vga0_divisor >> FP_N_DIVISOR_SHIFT) & FP_DIVISOR_MASK;
-	m1 = (hw->vga0_divisor >> FP_M1_DIVISOR_SHIFT) & FP_DIVISOR_MASK;
-	m2 = (hw->vga0_divisor >> FP_M2_DIVISOR_SHIFT) & FP_DIVISOR_MASK;
-
-	intelfbhw_get_p1p2(dinfo, hw->vga_pd, &p1, &p2);
-
-	printk("	VGA0: (m1, m2, n, p1, p2) = (%d, %d, %d, %d, %d)\n",
-	       m1, m2, n, p1, p2);
-	printk("	VGA0: clock is %d\n",
-	       calc_vclock(index, m1, m2, n, p1, p2, 0));
-
-	n = (hw->vga1_divisor >> FP_N_DIVISOR_SHIFT) & FP_DIVISOR_MASK;
-	m1 = (hw->vga1_divisor >> FP_M1_DIVISOR_SHIFT) & FP_DIVISOR_MASK;
-	m2 = (hw->vga1_divisor >> FP_M2_DIVISOR_SHIFT) & FP_DIVISOR_MASK;
-
-	intelfbhw_get_p1p2(dinfo, hw->vga_pd, &p1, &p2);
-	printk("	VGA1: (m1, m2, n, p1, p2) = (%d, %d, %d, %d, %d)\n",
-	       m1, m2, n, p1, p2);
-	printk("	VGA1: clock is %d\n",
-	       calc_vclock(index, m1, m2, n, p1, p2, 0));
-
-	printk("	DPLL_A:			0x%08x\n", hw->dpll_a);
-	printk("	DPLL_B:			0x%08x\n", hw->dpll_b);
-	printk("	FPA0:			0x%08x\n", hw->fpa0);
-	printk("	FPA1:			0x%08x\n", hw->fpa1);
-	printk("	FPB0:			0x%08x\n", hw->fpb0);
-	printk("	FPB1:			0x%08x\n", hw->fpb1);
-
-	n = (hw->fpa0 >> FP_N_DIVISOR_SHIFT) & FP_DIVISOR_MASK;
-	m1 = (hw->fpa0 >> FP_M1_DIVISOR_SHIFT) & FP_DIVISOR_MASK;
-	m2 = (hw->fpa0 >> FP_M2_DIVISOR_SHIFT) & FP_DIVISOR_MASK;
-
-	intelfbhw_get_p1p2(dinfo, hw->dpll_a, &p1, &p2);
-
-	printk("	PLLA0: (m1, m2, n, p1, p2) = (%d, %d, %d, %d, %d)\n",
-	       m1, m2, n, p1, p2);
-	printk("	PLLA0: clock is %d\n",
-	       calc_vclock(index, m1, m2, n, p1, p2, 0));
-
-	n = (hw->fpa1 >> FP_N_DIVISOR_SHIFT) & FP_DIVISOR_MASK;
-	m1 = (hw->fpa1 >> FP_M1_DIVISOR_SHIFT) & FP_DIVISOR_MASK;
-	m2 = (hw->fpa1 >> FP_M2_DIVISOR_SHIFT) & FP_DIVISOR_MASK;
-
-	intelfbhw_get_p1p2(dinfo, hw->dpll_a, &p1, &p2);
-
-	printk("	PLLA1: (m1, m2, n, p1, p2) = (%d, %d, %d, %d, %d)\n",
-	       m1, m2, n, p1, p2);
-	printk("	PLLA1: clock is %d\n",
-	       calc_vclock(index, m1, m2, n, p1, p2, 0));
-
-#if 0
-	printk("	PALETTE_A:\n");
-	for (i = 0; i < PALETTE_8_ENTRIES)
-		printk("	%3d:	0x%08x\n", i, hw->palette_a[i]);
-	printk("	PALETTE_B:\n");
-	for (i = 0; i < PALETTE_8_ENTRIES)
-		printk("	%3d:	0x%08x\n", i, hw->palette_b[i]);
-#endif
-
-	printk("	HTOTAL_A:		0x%08x\n", hw->htotal_a);
-	printk("	HBLANK_A:		0x%08x\n", hw->hblank_a);
-	printk("	HSYNC_A:		0x%08x\n", hw->hsync_a);
-	printk("	VTOTAL_A:		0x%08x\n", hw->vtotal_a);
-	printk("	VBLANK_A:		0x%08x\n", hw->vblank_a);
-	printk("	VSYNC_A:		0x%08x\n", hw->vsync_a);
-	printk("	SRC_SIZE_A:		0x%08x\n", hw->src_size_a);
-	printk("	BCLRPAT_A:		0x%08x\n", hw->bclrpat_a);
-	printk("	HTOTAL_B:		0x%08x\n", hw->htotal_b);
-	printk("	HBLANK_B:		0x%08x\n", hw->hblank_b);
-	printk("	HSYNC_B:		0x%08x\n", hw->hsync_b);
-	printk("	VTOTAL_B:		0x%08x\n", hw->vtotal_b);
-	printk("	VBLANK_B:		0x%08x\n", hw->vblank_b);
-	printk("	VSYNC_B:		0x%08x\n", hw->vsync_b);
-	printk("	SRC_SIZE_B:		0x%08x\n", hw->src_size_b);
-	printk("	BCLRPAT_B:		0x%08x\n", hw->bclrpat_b);
-
-	printk("	ADPA:			0x%08x\n", hw->adpa);
-	printk("	DVOA:			0x%08x\n", hw->dvoa);
-	printk("	DVOB:			0x%08x\n", hw->dvob);
-	printk("	DVOC:			0x%08x\n", hw->dvoc);
-	printk("	DVOA_SRCDIM:		0x%08x\n", hw->dvoa_srcdim);
-	printk("	DVOB_SRCDIM:		0x%08x\n", hw->dvob_srcdim);
-	printk("	DVOC_SRCDIM:		0x%08x\n", hw->dvoc_srcdim);
-	printk("	LVDS:			0x%08x\n", hw->lvds);
-
-	printk("	PIPEACONF:		0x%08x\n", hw->pipe_a_conf);
-	printk("	PIPEBCONF:		0x%08x\n", hw->pipe_b_conf);
-	printk("	DISPARB:		0x%08x\n", hw->disp_arb);
-
-	printk("	CURSOR_A_CONTROL:	0x%08x\n", hw->cursor_a_control);
-	printk("	CURSOR_B_CONTROL:	0x%08x\n", hw->cursor_b_control);
-	printk("	CURSOR_A_BASEADDR:	0x%08x\n", hw->cursor_a_base);
-	printk("	CURSOR_B_BASEADDR:	0x%08x\n", hw->cursor_b_base);
-
-	printk("	CURSOR_A_PALETTE:	");
-	for (i = 0; i < 4; i++) {
-		printk("0x%08x", hw->cursor_a_palette[i]);
-		if (i < 3)
-			printk(", ");
-	}
-	printk("\n");
-	printk("	CURSOR_B_PALETTE:	");
-	for (i = 0; i < 4; i++) {
-		printk("0x%08x", hw->cursor_b_palette[i]);
-		if (i < 3)
-			printk(", ");
-	}
-	printk("\n");
-
-	printk("	CURSOR_SIZE:		0x%08x\n", hw->cursor_size);
-
-	printk("	DSPACNTR:		0x%08x\n", hw->disp_a_ctrl);
-	printk("	DSPBCNTR:		0x%08x\n", hw->disp_b_ctrl);
-	printk("	DSPABASE:		0x%08x\n", hw->disp_a_base);
-	printk("	DSPBBASE:		0x%08x\n", hw->disp_b_base);
-	printk("	DSPASTRIDE:		0x%08x\n", hw->disp_a_stride);
-	printk("	DSPBSTRIDE:		0x%08x\n", hw->disp_b_stride);
-
-	printk("	VGACNTRL:		0x%08x\n", hw->vgacntrl);
-	printk("	ADD_ID:			0x%08x\n", hw->add_id);
-
-	for (i = 0; i < 7; i++) {
-		printk("	SWF0%d			0x%08x\n", i,
-			hw->swf0x[i]);
-	}
-	for (i = 0; i < 7; i++) {
-		printk("	SWF1%d			0x%08x\n", i,
-			hw->swf1x[i]);
-	}
-	for (i = 0; i < 3; i++) {
-		printk("	SWF3%d			0x%08x\n", i,
-		       hw->swf3x[i]);
-	}
-	for (i = 0; i < 8; i++)
-		printk("	FENCE%d			0x%08x\n", i,
-		       hw->fence[i]);
-
-	printk("	INSTPM			0x%08x\n", hw->instpm);
-	printk("	MEM_MODE		0x%08x\n", hw->mem_mode);
-	printk("	FW_BLC_0		0x%08x\n", hw->fw_blc_0);
-	printk("	FW_BLC_1		0x%08x\n", hw->fw_blc_1);
-
-	printk("	HWSTAM			0x%04x\n", hw->hwstam);
-	printk("	IER			0x%04x\n", hw->ier);
-	printk("	IIR			0x%04x\n", hw->iir);
-	printk("	IMR			0x%04x\n", hw->imr);
-	printk("hw state dump end\n");
-#endif
-}
-
-
-
-/* Split the M parameter into M1 and M2. */
-static int splitm(int index, unsigned int m, unsigned int *retm1,
-		  unsigned int *retm2)
-{
-	int m1, m2;
-	int testm;
-	struct pll_min_max *pll = &plls[index];
-
-	/* no point optimising too much - brute force m */
-	for (m1 = pll->min_m1; m1 < pll->max_m1 + 1; m1++) {
-		for (m2 = pll->min_m2; m2 < pll->max_m2 + 1; m2++) {
-			testm = (5 * (m1 + 2)) + (m2 + 2);
-			if (testm == m) {
-				*retm1 = (unsigned int)m1;
-				*retm2 = (unsigned int)m2;
-				return 0;
-			}
-		}
-	}
-	return 1;
-}
-
-/* Split the P parameter into P1 and P2. */
-static int splitp(int index, unsigned int p, unsigned int *retp1,
-		  unsigned int *retp2)
-{
-	int p1, p2;
-	struct pll_min_max *pll = &plls[index];
-
-	if (index == PLLS_I9xx) {
-		p2 = (p % 10) ? 1 : 0;
-
-		p1 = p / (p2 ? 5 : 10);
-
-		*retp1 = (unsigned int)p1;
-		*retp2 = (unsigned int)p2;
-		return 0;
-	}
-
-	if (p % 4 == 0)
-		p2 = 1;
-	else
-		p2 = 0;
-	p1 = (p / (1 << (p2 + 1))) - 2;
-	if (p % 4 == 0 && p1 < pll->min_p1) {
-		p2 = 0;
-		p1 = (p / (1 << (p2 + 1))) - 2;
-	}
-	if (p1 < pll->min_p1 || p1 > pll->max_p1 ||
-	    (p1 + 2) * (1 << (p2 + 1)) != p) {
-		return 1;
-	} else {
-		*retp1 = (unsigned int)p1;
-		*retp2 = (unsigned int)p2;
-		return 0;
-	}
-}
-
-static int calc_pll_params(int index, int clock, u32 *retm1, u32 *retm2,
-			   u32 *retn, u32 *retp1, u32 *retp2, u32 *retclock)
-{
-	u32 m1, m2, n, p1, p2, n1, testm;
-	u32 f_vco, p, p_best = 0, m, f_out = 0;
-	u32 err_max, err_target, err_best = 10000000;
-	u32 n_best = 0, m_best = 0, f_best, f_err;
-	u32 p_min, p_max, p_inc, div_max;
-	struct pll_min_max *pll = &plls[index];
-
-	/* Accept 0.5% difference, but aim for 0.1% */
-	err_max = 5 * clock / 1000;
-	err_target = clock / 1000;
-
-	DBG_MSG("Clock is %d\n", clock);
-
-	div_max = pll->max_vco / clock;
-
-	p_inc = (clock <= pll->p_transition_clk) ? pll->p_inc_lo : pll->p_inc_hi;
-	p_min = p_inc;
-	p_max = ROUND_DOWN_TO(div_max, p_inc);
-	if (p_min < pll->min_p)
-		p_min = pll->min_p;
-	if (p_max > pll->max_p)
-		p_max = pll->max_p;
-
-	DBG_MSG("p range is %d-%d (%d)\n", p_min, p_max, p_inc);
-
-	p = p_min;
-	do {
-		if (splitp(index, p, &p1, &p2)) {
-			WRN_MSG("cannot split p = %d\n", p);
-			p += p_inc;
-			continue;
-		}
-		n = pll->min_n;
-		f_vco = clock * p;
-
-		do {
-			m = ROUND_UP_TO(f_vco * n, pll->ref_clk) / pll->ref_clk;
-			if (m < pll->min_m)
-				m = pll->min_m + 1;
-			if (m > pll->max_m)
-				m = pll->max_m - 1;
-			for (testm = m - 1; testm <= m; testm++) {
-				f_out = calc_vclock3(index, testm, n, p);
-				if (splitm(index, testm, &m1, &m2)) {
-					WRN_MSG("cannot split m = %d\n",
-						testm);
-					continue;
-				}
-				if (clock > f_out)
-					f_err = clock - f_out;
-				else/* slightly bias the error for bigger clocks */
-					f_err = f_out - clock + 1;
-
-				if (f_err < err_best) {
-					m_best = testm;
-					n_best = n;
-					p_best = p;
-					f_best = f_out;
-					err_best = f_err;
-				}
-			}
-			n++;
-		} while ((n <= pll->max_n) && (f_out >= clock));
-		p += p_inc;
-	} while ((p <= p_max));
-
-	if (!m_best) {
-		WRN_MSG("cannot find parameters for clock %d\n", clock);
-		return 1;
-	}
-	m = m_best;
-	n = n_best;
-	p = p_best;
-	splitm(index, m, &m1, &m2);
-	splitp(index, p, &p1, &p2);
-	n1 = n - 2;
-
-	DBG_MSG("m, n, p: %d (%d,%d), %d (%d), %d (%d,%d), "
-		"f: %d (%d), VCO: %d\n",
-		m, m1, m2, n, n1, p, p1, p2,
-		calc_vclock3(index, m, n, p),
-		calc_vclock(index, m1, m2, n1, p1, p2, 0),
-		calc_vclock3(index, m, n, p) * p);
-	*retm1 = m1;
-	*retm2 = m2;
-	*retn = n1;
-	*retp1 = p1;
-	*retp2 = p2;
-	*retclock = calc_vclock(index, m1, m2, n1, p1, p2, 0);
-
-	return 0;
-}
-
-static __inline__ int check_overflow(u32 value, u32 limit,
-				     const char *description)
-{
-	if (value > limit) {
-		WRN_MSG("%s value %d exceeds limit %d\n",
-			description, value, limit);
-		return 1;
-	}
-	return 0;
-}
-
-/* It is assumed that hw is filled in with the initial state information. */
-int intelfbhw_mode_to_hw(struct intelfb_info *dinfo,
-			 struct intelfb_hwstate *hw,
-			 struct fb_var_screeninfo *var)
-{
-	int pipe = intelfbhw_active_pipe(hw);
-	u32 *dpll, *fp0, *fp1;
-	u32 m1, m2, n, p1, p2, clock_target, clock;
-	u32 hsync_start, hsync_end, hblank_start, hblank_end, htotal, hactive;
-	u32 vsync_start, vsync_end, vblank_start, vblank_end, vtotal, vactive;
-	u32 vsync_pol, hsync_pol;
-	u32 *vs, *vb, *vt, *hs, *hb, *ht, *ss, *pipe_conf;
-	u32 stride_alignment;
-
-	DBG_MSG("intelfbhw_mode_to_hw\n");
-
-	/* Disable VGA */
-	hw->vgacntrl |= VGA_DISABLE;
-
-	/* Set which pipe's registers will be set. */
-	if (pipe == PIPE_B) {
-		dpll = &hw->dpll_b;
-		fp0 = &hw->fpb0;
-		fp1 = &hw->fpb1;
-		hs = &hw->hsync_b;
-		hb = &hw->hblank_b;
-		ht = &hw->htotal_b;
-		vs = &hw->vsync_b;
-		vb = &hw->vblank_b;
-		vt = &hw->vtotal_b;
-		ss = &hw->src_size_b;
-		pipe_conf = &hw->pipe_b_conf;
-	} else {
-		dpll = &hw->dpll_a;
-		fp0 = &hw->fpa0;
-		fp1 = &hw->fpa1;
-		hs = &hw->hsync_a;
-		hb = &hw->hblank_a;
-		ht = &hw->htotal_a;
-		vs = &hw->vsync_a;
-		vb = &hw->vblank_a;
-		vt = &hw->vtotal_a;
-		ss = &hw->src_size_a;
-		pipe_conf = &hw->pipe_a_conf;
-	}
-
-	/* Use ADPA register for sync control. */
-	hw->adpa &= ~ADPA_USE_VGA_HVPOLARITY;
-
-	/* sync polarity */
-	hsync_pol = (var->sync & FB_SYNC_HOR_HIGH_ACT) ?
-			ADPA_SYNC_ACTIVE_HIGH : ADPA_SYNC_ACTIVE_LOW;
-	vsync_pol = (var->sync & FB_SYNC_VERT_HIGH_ACT) ?
-			ADPA_SYNC_ACTIVE_HIGH : ADPA_SYNC_ACTIVE_LOW;
-	hw->adpa &= ~((ADPA_SYNC_ACTIVE_MASK << ADPA_VSYNC_ACTIVE_SHIFT) |
-		      (ADPA_SYNC_ACTIVE_MASK << ADPA_HSYNC_ACTIVE_SHIFT));
-	hw->adpa |= (hsync_pol << ADPA_HSYNC_ACTIVE_SHIFT) |
-		    (vsync_pol << ADPA_VSYNC_ACTIVE_SHIFT);
-
-	/* Connect correct pipe to the analog port DAC */
-	hw->adpa &= ~(PIPE_MASK << ADPA_PIPE_SELECT_SHIFT);
-	hw->adpa |= (pipe << ADPA_PIPE_SELECT_SHIFT);
-
-	/* Set DPMS state to D0 (on) */
-	hw->adpa &= ~ADPA_DPMS_CONTROL_MASK;
-	hw->adpa |= ADPA_DPMS_D0;
-
-	hw->adpa |= ADPA_DAC_ENABLE;
-
-	*dpll |= (DPLL_VCO_ENABLE | DPLL_VGA_MODE_DISABLE);
-	*dpll &= ~(DPLL_RATE_SELECT_MASK | DPLL_REFERENCE_SELECT_MASK);
-	*dpll |= (DPLL_REFERENCE_DEFAULT | DPLL_RATE_SELECT_FP0);
-
-	/* Desired clock in kHz */
-	clock_target = 1000000000 / var->pixclock;
-
-	if (calc_pll_params(dinfo->pll_index, clock_target, &m1, &m2,
-			    &n, &p1, &p2, &clock)) {
-		WRN_MSG("calc_pll_params failed\n");
-		return 1;
-	}
-
-	/* Check for overflow. */
-	if (check_overflow(p1, DPLL_P1_MASK, "PLL P1 parameter"))
-		return 1;
-	if (check_overflow(p2, DPLL_P2_MASK, "PLL P2 parameter"))
-		return 1;
-	if (check_overflow(m1, FP_DIVISOR_MASK, "PLL M1 parameter"))
-		return 1;
-	if (check_overflow(m2, FP_DIVISOR_MASK, "PLL M2 parameter"))
-		return 1;
-	if (check_overflow(n, FP_DIVISOR_MASK, "PLL N parameter"))
-		return 1;
-
-	*dpll &= ~DPLL_P1_FORCE_DIV2;
-	*dpll &= ~((DPLL_P2_MASK << DPLL_P2_SHIFT) |
-		   (DPLL_P1_MASK << DPLL_P1_SHIFT));
-
-	if (IS_I9XX(dinfo)) {
-		*dpll |= (p2 << DPLL_I9XX_P2_SHIFT);
-		*dpll |= (1 << (p1 - 1)) << DPLL_P1_SHIFT;
-	} else
-		*dpll |= (p2 << DPLL_P2_SHIFT) | (p1 << DPLL_P1_SHIFT);
-
-	*fp0 = (n << FP_N_DIVISOR_SHIFT) |
-	       (m1 << FP_M1_DIVISOR_SHIFT) |
-	       (m2 << FP_M2_DIVISOR_SHIFT);
-	*fp1 = *fp0;
-
-	hw->dvob &= ~PORT_ENABLE;
-	hw->dvoc &= ~PORT_ENABLE;
-
-	/* Use display plane A. */
-	hw->disp_a_ctrl |= DISPPLANE_PLANE_ENABLE;
-	hw->disp_a_ctrl &= ~DISPPLANE_GAMMA_ENABLE;
-	hw->disp_a_ctrl &= ~DISPPLANE_PIXFORMAT_MASK;
-	switch (intelfb_var_to_depth(var)) {
-	case 8:
-		hw->disp_a_ctrl |= DISPPLANE_8BPP | DISPPLANE_GAMMA_ENABLE;
-		break;
-	case 15:
-		hw->disp_a_ctrl |= DISPPLANE_15_16BPP;
-		break;
-	case 16:
-		hw->disp_a_ctrl |= DISPPLANE_16BPP;
-		break;
-	case 24:
-		hw->disp_a_ctrl |= DISPPLANE_32BPP_NO_ALPHA;
-		break;
-	}
-	hw->disp_a_ctrl &= ~(PIPE_MASK << DISPPLANE_SEL_PIPE_SHIFT);
-	hw->disp_a_ctrl |= (pipe << DISPPLANE_SEL_PIPE_SHIFT);
-
-	/* Set CRTC registers. */
-	hactive = var->xres;
-	hsync_start = hactive + var->right_margin;
-	hsync_end = hsync_start + var->hsync_len;
-	htotal = hsync_end + var->left_margin;
-	hblank_start = hactive;
-	hblank_end = htotal;
-
-	DBG_MSG("H: act %d, ss %d, se %d, tot %d bs %d, be %d\n",
-		hactive, hsync_start, hsync_end, htotal, hblank_start,
-		hblank_end);
-
-	vactive = var->yres;
-	if (var->vmode & FB_VMODE_INTERLACED)
-		vactive--; /* the chip adds 2 halflines automatically */
-	vsync_start = vactive + var->lower_margin;
-	vsync_end = vsync_start + var->vsync_len;
-	vtotal = vsync_end + var->upper_margin;
-	vblank_start = vactive;
-	vblank_end = vtotal;
-	vblank_end = vsync_end + 1;
-
-	DBG_MSG("V: act %d, ss %d, se %d, tot %d bs %d, be %d\n",
-		vactive, vsync_start, vsync_end, vtotal, vblank_start,
-		vblank_end);
-
-	/* Adjust for register values, and check for overflow. */
-	hactive--;
-	if (check_overflow(hactive, HACTIVE_MASK, "CRTC hactive"))
-		return 1;
-	hsync_start--;
-	if (check_overflow(hsync_start, HSYNCSTART_MASK, "CRTC hsync_start"))
-		return 1;
-	hsync_end--;
-	if (check_overflow(hsync_end, HSYNCEND_MASK, "CRTC hsync_end"))
-		return 1;
-	htotal--;
-	if (check_overflow(htotal, HTOTAL_MASK, "CRTC htotal"))
-		return 1;
-	hblank_start--;
-	if (check_overflow(hblank_start, HBLANKSTART_MASK, "CRTC hblank_start"))
-		return 1;
-	hblank_end--;
-	if (check_overflow(hblank_end, HBLANKEND_MASK, "CRTC hblank_end"))
-		return 1;
-
-	vactive--;
-	if (check_overflow(vactive, VACTIVE_MASK, "CRTC vactive"))
-		return 1;
-	vsync_start--;
-	if (check_overflow(vsync_start, VSYNCSTART_MASK, "CRTC vsync_start"))
-		return 1;
-	vsync_end--;
-	if (check_overflow(vsync_end, VSYNCEND_MASK, "CRTC vsync_end"))
-		return 1;
-	vtotal--;
-	if (check_overflow(vtotal, VTOTAL_MASK, "CRTC vtotal"))
-		return 1;
-	vblank_start--;
-	if (check_overflow(vblank_start, VBLANKSTART_MASK, "CRTC vblank_start"))
-		return 1;
-	vblank_end--;
-	if (check_overflow(vblank_end, VBLANKEND_MASK, "CRTC vblank_end"))
-		return 1;
-
-	*ht = (htotal << HTOTAL_SHIFT) | (hactive << HACTIVE_SHIFT);
-	*hb = (hblank_start << HBLANKSTART_SHIFT) |
-	      (hblank_end << HSYNCEND_SHIFT);
-	*hs = (hsync_start << HSYNCSTART_SHIFT) | (hsync_end << HSYNCEND_SHIFT);
-
-	*vt = (vtotal << VTOTAL_SHIFT) | (vactive << VACTIVE_SHIFT);
-	*vb = (vblank_start << VBLANKSTART_SHIFT) |
-	      (vblank_end << VSYNCEND_SHIFT);
-	*vs = (vsync_start << VSYNCSTART_SHIFT) | (vsync_end << VSYNCEND_SHIFT);
-	*ss = (hactive << SRC_SIZE_HORIZ_SHIFT) |
-	      (vactive << SRC_SIZE_VERT_SHIFT);
-
-	hw->disp_a_stride = dinfo->pitch;
-	DBG_MSG("pitch is %d\n", hw->disp_a_stride);
-
-	hw->disp_a_base = hw->disp_a_stride * var->yoffset +
-			  var->xoffset * var->bits_per_pixel / 8;
-
-	hw->disp_a_base += dinfo->fb.offset << 12;
-
-	/* Check stride alignment. */
-	stride_alignment = IS_I9XX(dinfo) ? STRIDE_ALIGNMENT_I9XX :
-					    STRIDE_ALIGNMENT;
-	if (hw->disp_a_stride % stride_alignment != 0) {
-		WRN_MSG("display stride %d has bad alignment %d\n",
-			hw->disp_a_stride, stride_alignment);
-		return 1;
-	}
-
-	/* Set the palette to 8-bit mode. */
-	*pipe_conf &= ~PIPECONF_GAMMA;
-
-	if (var->vmode & FB_VMODE_INTERLACED)
-		*pipe_conf |= PIPECONF_INTERLACE_W_FIELD_INDICATION;
-	else
-		*pipe_conf &= ~PIPECONF_INTERLACE_MASK;
-
-	return 0;
-}
-
-/* Program a (non-VGA) video mode. */
-int intelfbhw_program_mode(struct intelfb_info *dinfo,
-			   const struct intelfb_hwstate *hw, int blank)
-{
-	u32 tmp;
-	const u32 *dpll, *fp0, *fp1, *pipe_conf;
-	const u32 *hs, *ht, *hb, *vs, *vt, *vb, *ss;
-	u32 dpll_reg, fp0_reg, fp1_reg, pipe_conf_reg, pipe_stat_reg;
-	u32 hsync_reg, htotal_reg, hblank_reg;
-	u32 vsync_reg, vtotal_reg, vblank_reg;
-	u32 src_size_reg;
-	u32 count, tmp_val[3];
-
-	/* Assume single pipe */
-
-#if VERBOSE > 0
-	DBG_MSG("intelfbhw_program_mode\n");
-#endif
-
-	/* Disable VGA */
-	tmp = INREG(VGACNTRL);
-	tmp |= VGA_DISABLE;
-	OUTREG(VGACNTRL, tmp);
-
-	dinfo->pipe = intelfbhw_active_pipe(hw);
-
-	if (dinfo->pipe == PIPE_B) {
-		dpll = &hw->dpll_b;
-		fp0 = &hw->fpb0;
-		fp1 = &hw->fpb1;
-		pipe_conf = &hw->pipe_b_conf;
-		hs = &hw->hsync_b;
-		hb = &hw->hblank_b;
-		ht = &hw->htotal_b;
-		vs = &hw->vsync_b;
-		vb = &hw->vblank_b;
-		vt = &hw->vtotal_b;
-		ss = &hw->src_size_b;
-		dpll_reg = DPLL_B;
-		fp0_reg = FPB0;
-		fp1_reg = FPB1;
-		pipe_conf_reg = PIPEBCONF;
-		pipe_stat_reg = PIPEBSTAT;
-		hsync_reg = HSYNC_B;
-		htotal_reg = HTOTAL_B;
-		hblank_reg = HBLANK_B;
-		vsync_reg = VSYNC_B;
-		vtotal_reg = VTOTAL_B;
-		vblank_reg = VBLANK_B;
-		src_size_reg = SRC_SIZE_B;
-	} else {
-		dpll = &hw->dpll_a;
-		fp0 = &hw->fpa0;
-		fp1 = &hw->fpa1;
-		pipe_conf = &hw->pipe_a_conf;
-		hs = &hw->hsync_a;
-		hb = &hw->hblank_a;
-		ht = &hw->htotal_a;
-		vs = &hw->vsync_a;
-		vb = &hw->vblank_a;
-		vt = &hw->vtotal_a;
-		ss = &hw->src_size_a;
-		dpll_reg = DPLL_A;
-		fp0_reg = FPA0;
-		fp1_reg = FPA1;
-		pipe_conf_reg = PIPEACONF;
-		pipe_stat_reg = PIPEASTAT;
-		hsync_reg = HSYNC_A;
-		htotal_reg = HTOTAL_A;
-		hblank_reg = HBLANK_A;
-		vsync_reg = VSYNC_A;
-		vtotal_reg = VTOTAL_A;
-		vblank_reg = VBLANK_A;
-		src_size_reg = SRC_SIZE_A;
-	}
-
-	/* turn off pipe */
-	tmp = INREG(pipe_conf_reg);
-	tmp &= ~PIPECONF_ENABLE;
-	OUTREG(pipe_conf_reg, tmp);
-
-	count = 0;
-	do {
-		tmp_val[count % 3] = INREG(PIPEA_DSL);
-		if ((tmp_val[0] == tmp_val[1]) && (tmp_val[1] == tmp_val[2]))
-			break;
-		count++;
-		udelay(1);
-		if (count % 200 == 0) {
-			tmp = INREG(pipe_conf_reg);
-			tmp &= ~PIPECONF_ENABLE;
-			OUTREG(pipe_conf_reg, tmp);
-		}
-	} while (count < 2000);
-
-	OUTREG(ADPA, INREG(ADPA) & ~ADPA_DAC_ENABLE);
-
-	/* Disable planes A and B. */
-	tmp = INREG(DSPACNTR);
-	tmp &= ~DISPPLANE_PLANE_ENABLE;
-	OUTREG(DSPACNTR, tmp);
-	tmp = INREG(DSPBCNTR);
-	tmp &= ~DISPPLANE_PLANE_ENABLE;
-	OUTREG(DSPBCNTR, tmp);
-
-	/* Wait for vblank. For now, just wait for a 50Hz cycle (20ms)) */
-	mdelay(20);
-
-	OUTREG(DVOB, INREG(DVOB) & ~PORT_ENABLE);
-	OUTREG(DVOC, INREG(DVOC) & ~PORT_ENABLE);
-	OUTREG(ADPA, INREG(ADPA) & ~ADPA_DAC_ENABLE);
-
-	/* Disable Sync */
-	tmp = INREG(ADPA);
-	tmp &= ~ADPA_DPMS_CONTROL_MASK;
-	tmp |= ADPA_DPMS_D3;
-	OUTREG(ADPA, tmp);
-
-	/* do some funky magic - xyzzy */
-	OUTREG(0x61204, 0xabcd0000);
-
-	/* turn off PLL */
-	tmp = INREG(dpll_reg);
-	tmp &= ~DPLL_VCO_ENABLE;
-	OUTREG(dpll_reg, tmp);
-
-	/* Set PLL parameters */
-	OUTREG(fp0_reg, *fp0);
-	OUTREG(fp1_reg, *fp1);
-
-	/* Enable PLL */
-	OUTREG(dpll_reg, *dpll);
-
-	/* Set DVOs B/C */
-	OUTREG(DVOB, hw->dvob);
-	OUTREG(DVOC, hw->dvoc);
-
-	/* undo funky magic */
-	OUTREG(0x61204, 0x00000000);
-
-	/* Set ADPA */
-	OUTREG(ADPA, INREG(ADPA) | ADPA_DAC_ENABLE);
-	OUTREG(ADPA, (hw->adpa & ~(ADPA_DPMS_CONTROL_MASK)) | ADPA_DPMS_D3);
-
-	/* Set pipe parameters */
-	OUTREG(hsync_reg, *hs);
-	OUTREG(hblank_reg, *hb);
-	OUTREG(htotal_reg, *ht);
-	OUTREG(vsync_reg, *vs);
-	OUTREG(vblank_reg, *vb);
-	OUTREG(vtotal_reg, *vt);
-	OUTREG(src_size_reg, *ss);
-
-	switch (dinfo->info->var.vmode & (FB_VMODE_INTERLACED |
-					  FB_VMODE_ODD_FLD_FIRST)) {
-	case FB_VMODE_INTERLACED | FB_VMODE_ODD_FLD_FIRST:
-		OUTREG(pipe_stat_reg, 0xFFFF | PIPESTAT_FLD_EVT_ODD_EN);
-		break;
-	case FB_VMODE_INTERLACED: /* even lines first */
-		OUTREG(pipe_stat_reg, 0xFFFF | PIPESTAT_FLD_EVT_EVEN_EN);
-		break;
-	default:		/* non-interlaced */
-		OUTREG(pipe_stat_reg, 0xFFFF); /* clear all status bits only */
-	}
-	/* Enable pipe */
-	OUTREG(pipe_conf_reg, *pipe_conf | PIPECONF_ENABLE);
-
-	/* Enable sync */
-	tmp = INREG(ADPA);
-	tmp &= ~ADPA_DPMS_CONTROL_MASK;
-	tmp |= ADPA_DPMS_D0;
-	OUTREG(ADPA, tmp);
-
-	/* setup display plane */
-	if (dinfo->pdev->device == PCI_DEVICE_ID_INTEL_830M) {
-		/*
-		 *      i830M errata: the display plane must be enabled
-		 *      to allow writes to the other bits in the plane
-		 *      control register.
-		 */
-		tmp = INREG(DSPACNTR);
-		if ((tmp & DISPPLANE_PLANE_ENABLE) != DISPPLANE_PLANE_ENABLE) {
-			tmp |= DISPPLANE_PLANE_ENABLE;
-			OUTREG(DSPACNTR, tmp);
-			OUTREG(DSPACNTR,
-			       hw->disp_a_ctrl|DISPPLANE_PLANE_ENABLE);
-			mdelay(1);
-		}
-	}
-
-	OUTREG(DSPACNTR, hw->disp_a_ctrl & ~DISPPLANE_PLANE_ENABLE);
-	OUTREG(DSPASTRIDE, hw->disp_a_stride);
-	OUTREG(DSPABASE, hw->disp_a_base);
-
-	/* Enable plane */
-	if (!blank) {
-		tmp = INREG(DSPACNTR);
-		tmp |= DISPPLANE_PLANE_ENABLE;
-		OUTREG(DSPACNTR, tmp);
-		OUTREG(DSPABASE, hw->disp_a_base);
-	}
-
-	return 0;
-}
-
-/* forward declarations */
-static void refresh_ring(struct intelfb_info *dinfo);
-static void reset_state(struct intelfb_info *dinfo);
-static void do_flush(struct intelfb_info *dinfo);
-
-static  u32 get_ring_space(struct intelfb_info *dinfo)
-{
-	u32 ring_space;
-
-	if (dinfo->ring_tail >= dinfo->ring_head)
-		ring_space = dinfo->ring.size -
-			(dinfo->ring_tail - dinfo->ring_head);
-	else
-		ring_space = dinfo->ring_head - dinfo->ring_tail;
-
-	if (ring_space > RING_MIN_FREE)
-		ring_space -= RING_MIN_FREE;
-	else
-		ring_space = 0;
-
-	return ring_space;
-}
-
-static int wait_ring(struct intelfb_info *dinfo, int n)
-{
-	int i = 0;
-	unsigned long end;
-	u32 last_head = INREG(PRI_RING_HEAD) & RING_HEAD_MASK;
-
-#if VERBOSE > 0
-	DBG_MSG("wait_ring: %d\n", n);
-#endif
-
-	end = jiffies + (HZ * 3);
-	while (dinfo->ring_space < n) {
-		dinfo->ring_head = INREG(PRI_RING_HEAD) & RING_HEAD_MASK;
-		dinfo->ring_space = get_ring_space(dinfo);
-
-		if (dinfo->ring_head != last_head) {
-			end = jiffies + (HZ * 3);
-			last_head = dinfo->ring_head;
-		}
-		i++;
-		if (time_before(end, jiffies)) {
-			if (!i) {
-				/* Try again */
-				reset_state(dinfo);
-				refresh_ring(dinfo);
-				do_flush(dinfo);
-				end = jiffies + (HZ * 3);
-				i = 1;
-			} else {
-				WRN_MSG("ring buffer : space: %d wanted %d\n",
-					dinfo->ring_space, n);
-				WRN_MSG("lockup - turning off hardware "
-					"acceleration\n");
-				dinfo->ring_lockup = 1;
-				break;
-			}
-		}
-		udelay(1);
-	}
-	return i;
-}
-
-static void do_flush(struct intelfb_info *dinfo)
-{
-	START_RING(2);
-	OUT_RING(MI_FLUSH | MI_WRITE_DIRTY_STATE | MI_INVALIDATE_MAP_CACHE);
-	OUT_RING(MI_NOOP);
-	ADVANCE_RING();
-}
-
-void intelfbhw_do_sync(struct intelfb_info *dinfo)
-{
-#if VERBOSE > 0
-	DBG_MSG("intelfbhw_do_sync\n");
-#endif
-
-	if (!dinfo->accel)
-		return;
-
-	/*
-	 * Send a flush, then wait until the ring is empty.  This is what
-	 * the XFree86 driver does, and actually it doesn't seem a lot worse
-	 * than the recommended method (both have problems).
-	 */
-	do_flush(dinfo);
-	wait_ring(dinfo, dinfo->ring.size - RING_MIN_FREE);
-	dinfo->ring_space = dinfo->ring.size - RING_MIN_FREE;
-}
-
-static void refresh_ring(struct intelfb_info *dinfo)
-{
-#if VERBOSE > 0
-	DBG_MSG("refresh_ring\n");
-#endif
-
-	dinfo->ring_head = INREG(PRI_RING_HEAD) & RING_HEAD_MASK;
-	dinfo->ring_tail = INREG(PRI_RING_TAIL) & RING_TAIL_MASK;
-	dinfo->ring_space = get_ring_space(dinfo);
-}
-
-static void reset_state(struct intelfb_info *dinfo)
-{
-	int i;
-	u32 tmp;
-
-#if VERBOSE > 0
-	DBG_MSG("reset_state\n");
-#endif
-
-	for (i = 0; i < FENCE_NUM; i++)
-		OUTREG(FENCE + (i << 2), 0);
-
-	/* Flush the ring buffer if it's enabled. */
-	tmp = INREG(PRI_RING_LENGTH);
-	if (tmp & RING_ENABLE) {
-#if VERBOSE > 0
-		DBG_MSG("reset_state: ring was enabled\n");
-#endif
-		refresh_ring(dinfo);
-		intelfbhw_do_sync(dinfo);
-		DO_RING_IDLE();
-	}
-
-	OUTREG(PRI_RING_LENGTH, 0);
-	OUTREG(PRI_RING_HEAD, 0);
-	OUTREG(PRI_RING_TAIL, 0);
-	OUTREG(PRI_RING_START, 0);
-}
-
-/* Stop the 2D engine, and turn off the ring buffer. */
-void intelfbhw_2d_stop(struct intelfb_info *dinfo)
-{
-#if VERBOSE > 0
-	DBG_MSG("intelfbhw_2d_stop: accel: %d, ring_active: %d\n",
-		dinfo->accel, dinfo->ring_active);
-#endif
-
-	if (!dinfo->accel)
-		return;
-
-	dinfo->ring_active = 0;
-	reset_state(dinfo);
-}
-
-/*
- * Enable the ring buffer, and initialise the 2D engine.
- * It is assumed that the graphics engine has been stopped by previously
- * calling intelfb_2d_stop().
- */
-void intelfbhw_2d_start(struct intelfb_info *dinfo)
-{
-#if VERBOSE > 0
-	DBG_MSG("intelfbhw_2d_start: accel: %d, ring_active: %d\n",
-		dinfo->accel, dinfo->ring_active);
-#endif
-
-	if (!dinfo->accel)
-		return;
-
-	/* Initialise the primary ring buffer. */
-	OUTREG(PRI_RING_LENGTH, 0);
-	OUTREG(PRI_RING_TAIL, 0);
-	OUTREG(PRI_RING_HEAD, 0);
-
-	OUTREG(PRI_RING_START, dinfo->ring.physical & RING_START_MASK);
-	OUTREG(PRI_RING_LENGTH,
-		((dinfo->ring.size - GTT_PAGE_SIZE) & RING_LENGTH_MASK) |
-		RING_NO_REPORT | RING_ENABLE);
-	refresh_ring(dinfo);
-	dinfo->ring_active = 1;
-}
-
-/* 2D fillrect (solid fill or invert) */
-void intelfbhw_do_fillrect(struct intelfb_info *dinfo, u32 x, u32 y, u32 w,
-			   u32 h, u32 color, u32 pitch, u32 bpp, u32 rop)
-{
-	u32 br00, br09, br13, br14, br16;
-
-#if VERBOSE > 0
-	DBG_MSG("intelfbhw_do_fillrect: (%d,%d) %dx%d, c 0x%06x, p %d bpp %d, "
-		"rop 0x%02x\n", x, y, w, h, color, pitch, bpp, rop);
-#endif
-
-	br00 = COLOR_BLT_CMD;
-	br09 = dinfo->fb_start + (y * pitch + x * (bpp / 8));
-	br13 = (rop << ROP_SHIFT) | pitch;
-	br14 = (h << HEIGHT_SHIFT) | ((w * (bpp / 8)) << WIDTH_SHIFT);
-	br16 = color;
-
-	switch (bpp) {
-	case 8:
-		br13 |= COLOR_DEPTH_8;
-		break;
-	case 16:
-		br13 |= COLOR_DEPTH_16;
-		break;
-	case 32:
-		br13 |= COLOR_DEPTH_32;
-		br00 |= WRITE_ALPHA | WRITE_RGB;
-		break;
-	}
-
-	START_RING(6);
-	OUT_RING(br00);
-	OUT_RING(br13);
-	OUT_RING(br14);
-	OUT_RING(br09);
-	OUT_RING(br16);
-	OUT_RING(MI_NOOP);
-	ADVANCE_RING();
-
-#if VERBOSE > 0
-	DBG_MSG("ring = 0x%08x, 0x%08x (%d)\n", dinfo->ring_head,
-		dinfo->ring_tail, dinfo->ring_space);
-#endif
-}
-
-void
-intelfbhw_do_bitblt(struct intelfb_info *dinfo, u32 curx, u32 cury,
-		    u32 dstx, u32 dsty, u32 w, u32 h, u32 pitch, u32 bpp)
-{
-	u32 br00, br09, br11, br12, br13, br22, br23, br26;
-
-#if VERBOSE > 0
-	DBG_MSG("intelfbhw_do_bitblt: (%d,%d)->(%d,%d) %dx%d, p %d bpp %d\n",
-		curx, cury, dstx, dsty, w, h, pitch, bpp);
-#endif
-
-	br00 = XY_SRC_COPY_BLT_CMD;
-	br09 = dinfo->fb_start;
-	br11 = (pitch << PITCH_SHIFT);
-	br12 = dinfo->fb_start;
-	br13 = (SRC_ROP_GXCOPY << ROP_SHIFT) | (pitch << PITCH_SHIFT);
-	br22 = (dstx << WIDTH_SHIFT) | (dsty << HEIGHT_SHIFT);
-	br23 = ((dstx + w) << WIDTH_SHIFT) |
-	       ((dsty + h) << HEIGHT_SHIFT);
-	br26 = (curx << WIDTH_SHIFT) | (cury << HEIGHT_SHIFT);
-
-	switch (bpp) {
-	case 8:
-		br13 |= COLOR_DEPTH_8;
-		break;
-	case 16:
-		br13 |= COLOR_DEPTH_16;
-		break;
-	case 32:
-		br13 |= COLOR_DEPTH_32;
-		br00 |= WRITE_ALPHA | WRITE_RGB;
-		break;
-	}
-
-	START_RING(8);
-	OUT_RING(br00);
-	OUT_RING(br13);
-	OUT_RING(br22);
-	OUT_RING(br23);
-	OUT_RING(br09);
-	OUT_RING(br26);
-	OUT_RING(br11);
-	OUT_RING(br12);
-	ADVANCE_RING();
-}
-
-int intelfbhw_do_drawglyph(struct intelfb_info *dinfo, u32 fg, u32 bg, u32 w,
-			   u32 h, const u8* cdat, u32 x, u32 y, u32 pitch,
-			   u32 bpp)
-{
-	int nbytes, ndwords, pad, tmp;
-	u32 br00, br09, br13, br18, br19, br22, br23;
-	int dat, ix, iy, iw;
-	int i, j;
-
-#if VERBOSE > 0
-	DBG_MSG("intelfbhw_do_drawglyph: (%d,%d) %dx%d\n", x, y, w, h);
-#endif
-
-	/* size in bytes of a padded scanline */
-	nbytes = ROUND_UP_TO(w, 16) / 8;
-
-	/* Total bytes of padded scanline data to write out. */
-	nbytes = nbytes * h;
-
-	/*
-	 * Check if the glyph data exceeds the immediate mode limit.
-	 * It would take a large font (1K pixels) to hit this limit.
-	 */
-	if (nbytes > MAX_MONO_IMM_SIZE)
-		return 0;
-
-	/* Src data is packaged a dword (32-bit) at a time. */
-	ndwords = ROUND_UP_TO(nbytes, 4) / 4;
-
-	/*
-	 * Ring has to be padded to a quad word. But because the command starts
-	   with 7 bytes, pad only if there is an even number of ndwords
-	 */
-	pad = !(ndwords % 2);
-
-	tmp = (XY_MONO_SRC_IMM_BLT_CMD & DW_LENGTH_MASK) + ndwords;
-	br00 = (XY_MONO_SRC_IMM_BLT_CMD & ~DW_LENGTH_MASK) | tmp;
-	br09 = dinfo->fb_start;
-	br13 = (SRC_ROP_GXCOPY << ROP_SHIFT) | (pitch << PITCH_SHIFT);
-	br18 = bg;
-	br19 = fg;
-	br22 = (x << WIDTH_SHIFT) | (y << HEIGHT_SHIFT);
-	br23 = ((x + w) << WIDTH_SHIFT) | ((y + h) << HEIGHT_SHIFT);
-
-	switch (bpp) {
-	case 8:
-		br13 |= COLOR_DEPTH_8;
-		break;
-	case 16:
-		br13 |= COLOR_DEPTH_16;
-		break;
-	case 32:
-		br13 |= COLOR_DEPTH_32;
-		br00 |= WRITE_ALPHA | WRITE_RGB;
-		break;
-	}
-
-	START_RING(8 + ndwords);
-	OUT_RING(br00);
-	OUT_RING(br13);
-	OUT_RING(br22);
-	OUT_RING(br23);
-	OUT_RING(br09);
-	OUT_RING(br18);
-	OUT_RING(br19);
-	ix = iy = 0;
-	iw = ROUND_UP_TO(w, 8) / 8;
-	while (ndwords--) {
-		dat = 0;
-		for (j = 0; j < 2; ++j) {
-			for (i = 0; i < 2; ++i) {
-				if (ix != iw || i == 0)
-					dat |= cdat[iy*iw + ix++] << (i+j*2)*8;
-			}
-			if (ix == iw && iy != (h-1)) {
-				ix = 0;
-				++iy;
-			}
-		}
-		OUT_RING(dat);
-	}
-	if (pad)
-		OUT_RING(MI_NOOP);
-	ADVANCE_RING();
-
-	return 1;
-}
-
-/* HW cursor functions. */
-void intelfbhw_cursor_init(struct intelfb_info *dinfo)
-{
-	u32 tmp;
-
-#if VERBOSE > 0
-	DBG_MSG("intelfbhw_cursor_init\n");
-#endif
-
-	if (dinfo->mobile || IS_I9XX(dinfo)) {
-		if (!dinfo->cursor.physical)
-			return;
-		tmp = INREG(CURSOR_A_CONTROL);
-		tmp &= ~(CURSOR_MODE_MASK | CURSOR_MOBILE_GAMMA_ENABLE |
-			 CURSOR_MEM_TYPE_LOCAL |
-			 (1 << CURSOR_PIPE_SELECT_SHIFT));
-		tmp |= CURSOR_MODE_DISABLE;
-		OUTREG(CURSOR_A_CONTROL, tmp);
-		OUTREG(CURSOR_A_BASEADDR, dinfo->cursor.physical);
-	} else {
-		tmp = INREG(CURSOR_CONTROL);
-		tmp &= ~(CURSOR_FORMAT_MASK | CURSOR_GAMMA_ENABLE |
-			 CURSOR_ENABLE | CURSOR_STRIDE_MASK);
-		tmp = CURSOR_FORMAT_3C;
-		OUTREG(CURSOR_CONTROL, tmp);
-		OUTREG(CURSOR_A_BASEADDR, dinfo->cursor.offset << 12);
-		tmp = (64 << CURSOR_SIZE_H_SHIFT) |
-		      (64 << CURSOR_SIZE_V_SHIFT);
-		OUTREG(CURSOR_SIZE, tmp);
-	}
-}
-
-void intelfbhw_cursor_hide(struct intelfb_info *dinfo)
-{
-	u32 tmp;
-
-#if VERBOSE > 0
-	DBG_MSG("intelfbhw_cursor_hide\n");
-#endif
-
-	dinfo->cursor_on = 0;
-	if (dinfo->mobile || IS_I9XX(dinfo)) {
-		if (!dinfo->cursor.physical)
-			return;
-		tmp = INREG(CURSOR_A_CONTROL);
-		tmp &= ~CURSOR_MODE_MASK;
-		tmp |= CURSOR_MODE_DISABLE;
-		OUTREG(CURSOR_A_CONTROL, tmp);
-		/* Flush changes */
-		OUTREG(CURSOR_A_BASEADDR, dinfo->cursor.physical);
-	} else {
-		tmp = INREG(CURSOR_CONTROL);
-		tmp &= ~CURSOR_ENABLE;
-		OUTREG(CURSOR_CONTROL, tmp);
-	}
-}
-
-void intelfbhw_cursor_show(struct intelfb_info *dinfo)
-{
-	u32 tmp;
-
-#if VERBOSE > 0
-	DBG_MSG("intelfbhw_cursor_show\n");
-#endif
-
-	dinfo->cursor_on = 1;
-
-	if (dinfo->cursor_blanked)
-		return;
-
-	if (dinfo->mobile || IS_I9XX(dinfo)) {
-		if (!dinfo->cursor.physical)
-			return;
-		tmp = INREG(CURSOR_A_CONTROL);
-		tmp &= ~CURSOR_MODE_MASK;
-		tmp |= CURSOR_MODE_64_4C_AX;
-		OUTREG(CURSOR_A_CONTROL, tmp);
-		/* Flush changes */
-		OUTREG(CURSOR_A_BASEADDR, dinfo->cursor.physical);
-	} else {
-		tmp = INREG(CURSOR_CONTROL);
-		tmp |= CURSOR_ENABLE;
-		OUTREG(CURSOR_CONTROL, tmp);
-	}
-}
-
-void intelfbhw_cursor_setpos(struct intelfb_info *dinfo, int x, int y)
-{
-	u32 tmp;
-
-#if VERBOSE > 0
-	DBG_MSG("intelfbhw_cursor_setpos: (%d, %d)\n", x, y);
-#endif
-
-	/*
-	 * Sets the position. The coordinates are assumed to already
-	 * have any offset adjusted. Assume that the cursor is never
-	 * completely off-screen, and that x, y are always >= 0.
-	 */
-
-	tmp = ((x & CURSOR_POS_MASK) << CURSOR_X_SHIFT) |
-	      ((y & CURSOR_POS_MASK) << CURSOR_Y_SHIFT);
-	OUTREG(CURSOR_A_POSITION, tmp);
-
-	if (IS_I9XX(dinfo))
-		OUTREG(CURSOR_A_BASEADDR, dinfo->cursor.physical);
-}
-
-void intelfbhw_cursor_setcolor(struct intelfb_info *dinfo, u32 bg, u32 fg)
-{
-#if VERBOSE > 0
-	DBG_MSG("intelfbhw_cursor_setcolor\n");
-#endif
-
-	OUTREG(CURSOR_A_PALETTE0, bg & CURSOR_PALETTE_MASK);
-	OUTREG(CURSOR_A_PALETTE1, fg & CURSOR_PALETTE_MASK);
-	OUTREG(CURSOR_A_PALETTE2, fg & CURSOR_PALETTE_MASK);
-	OUTREG(CURSOR_A_PALETTE3, bg & CURSOR_PALETTE_MASK);
-}
-
-void intelfbhw_cursor_load(struct intelfb_info *dinfo, int width, int height,
-			   u8 *data)
-{
-	u8 __iomem *addr = (u8 __iomem *)dinfo->cursor.virtual;
-	int i, j, w = width / 8;
-	int mod = width % 8, t_mask, d_mask;
-
-#if VERBOSE > 0
-	DBG_MSG("intelfbhw_cursor_load\n");
-#endif
-
-	if (!dinfo->cursor.virtual)
-		return;
-
-	t_mask = 0xff >> mod;
-	d_mask = ~(0xff >> mod);
-	for (i = height; i--; ) {
-		for (j = 0; j < w; j++) {
-			writeb(0x00, addr + j);
-			writeb(*(data++), addr + j+8);
-		}
-		if (mod) {
-			writeb(t_mask, addr + j);
-			writeb(*(data++) & d_mask, addr + j+8);
-		}
-		addr += 16;
-	}
-}
-
-void intelfbhw_cursor_reset(struct intelfb_info *dinfo)
-{
-	u8 __iomem *addr = (u8 __iomem *)dinfo->cursor.virtual;
-	int i, j;
-
-#if VERBOSE > 0
-	DBG_MSG("intelfbhw_cursor_reset\n");
-#endif
-
-	if (!dinfo->cursor.virtual)
-		return;
-
-	for (i = 64; i--; ) {
-		for (j = 0; j < 8; j++) {
-			writeb(0xff, addr + j+0);
-			writeb(0x00, addr + j+8);
-		}
-		addr += 16;
-	}
-}
-
-static irqreturn_t intelfbhw_irq(int irq, void *dev_id)
-{
-	u16 tmp;
-	struct intelfb_info *dinfo = dev_id;
-
-	spin_lock(&dinfo->int_lock);
-
-	tmp = INREG16(IIR);
-	if (dinfo->info->var.vmode & FB_VMODE_INTERLACED)
-		tmp &= PIPE_A_EVENT_INTERRUPT;
-	else
-		tmp &= VSYNC_PIPE_A_INTERRUPT; /* non-interlaced */
-
-	if (tmp == 0) {
-		spin_unlock(&dinfo->int_lock);
-		return IRQ_RETVAL(0); /* not us */
-	}
-
-	/* clear status bits 0-15 ASAP and don't touch bits 16-31 */
-	OUTREG(PIPEASTAT, INREG(PIPEASTAT));
-
-	OUTREG16(IIR, tmp);
-	if (dinfo->vsync.pan_display) {
-		dinfo->vsync.pan_display = 0;
-		OUTREG(DSPABASE, dinfo->vsync.pan_offset);
-	}
-
-	dinfo->vsync.count++;
-	wake_up_interruptible(&dinfo->vsync.wait);
-
-	spin_unlock(&dinfo->int_lock);
-
-	return IRQ_RETVAL(1);
-}
-
-int intelfbhw_enable_irq(struct intelfb_info *dinfo)
-{
-	u16 tmp;
-	if (!test_and_set_bit(0, &dinfo->irq_flags)) {
-		if (request_irq(dinfo->pdev->irq, intelfbhw_irq, IRQF_SHARED,
-				"intelfb", dinfo)) {
-			clear_bit(0, &dinfo->irq_flags);
-			return -EINVAL;
-		}
-
-		spin_lock_irq(&dinfo->int_lock);
-		OUTREG16(HWSTAM, 0xfffe); /* i830 DRM uses ffff */
-		OUTREG16(IMR, 0);
-	} else
-		spin_lock_irq(&dinfo->int_lock);
-
-	if (dinfo->info->var.vmode & FB_VMODE_INTERLACED)
-		tmp = PIPE_A_EVENT_INTERRUPT;
-	else
-		tmp = VSYNC_PIPE_A_INTERRUPT; /* non-interlaced */
-	if (tmp != INREG16(IER)) {
-		DBG_MSG("changing IER to 0x%X\n", tmp);
-		OUTREG16(IER, tmp);
-	}
-
-	spin_unlock_irq(&dinfo->int_lock);
-	return 0;
-}
-
-void intelfbhw_disable_irq(struct intelfb_info *dinfo)
-{
-	if (test_and_clear_bit(0, &dinfo->irq_flags)) {
-		if (dinfo->vsync.pan_display) {
-			dinfo->vsync.pan_display = 0;
-			OUTREG(DSPABASE, dinfo->vsync.pan_offset);
-		}
-		spin_lock_irq(&dinfo->int_lock);
-		OUTREG16(HWSTAM, 0xffff);
-		OUTREG16(IMR, 0xffff);
-		OUTREG16(IER, 0x0);
-
-		OUTREG16(IIR, INREG16(IIR)); /* clear IRQ requests */
-		spin_unlock_irq(&dinfo->int_lock);
-
-		free_irq(dinfo->pdev->irq, dinfo);
-	}
-}
-
-int intelfbhw_wait_for_vsync(struct intelfb_info *dinfo, u32 pipe)
-{
-	struct intelfb_vsync *vsync;
-	unsigned int count;
-	int ret;
-
-	switch (pipe) {
-		case 0:
-			vsync = &dinfo->vsync;
-			break;
-		default:
-			return -ENODEV;
-	}
-
-	ret = intelfbhw_enable_irq(dinfo);
-	if (ret)
-		return ret;
-
-	count = vsync->count;
-	ret = wait_event_interruptible_timeout(vsync->wait,
-					       count != vsync->count, HZ / 10);
-	if (ret < 0)
-		return ret;
-	if (ret == 0) {
-		DBG_MSG("wait_for_vsync timed out!\n");
-		return -ETIMEDOUT;
-	}
-
-	return 0;
-}