xserver git update 11/6/2010

1 files changed, 717 insertions, 717 deletions

diff --git a/xorg-server/hw/xfree86/ramdac/TI.c b/xorg-server/hw/xfree86/ramdac/TI.c
index 1c541d76b..f189fed25 100644
--- a/xorg-server/hw/xfree86/ramdac/TI.c
+++ b/xorg-server/hw/xfree86/ramdac/TI.c
@@ -1,717 +1,717 @@
-/*
- * Copyright 1998 by Alan Hourihane, Wigan, England.
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation, and that the name of Alan Hourihane not be used in
- * advertising or publicity pertaining to distribution of the software without
- * specific, written prior permission.  Alan Hourihane makes no representations
- * about the suitability of this software for any purpose.  It is provided
- * "as is" without express or implied warranty.
- *
- * ALAN HOURIHANE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * EVENT SHALL ALAN HOURIHANE BE LIABLE FOR ANY SPECIAL, INDIRECT OR
- * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
- * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
- * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
- *
- * Authors:  Alan Hourihane, <alanh@fairlite.demon.co.uk>
- *
- * Modified from IBM.c to support TI RAMDAC routines 
- *   by Jens Owen, <jens@tungstengraphics.com>.
- */
-
-#ifdef HAVE_XORG_CONFIG_H
-#include <xorg-config.h>
-#endif
-
-#include "xf86.h"
-#include "xf86_OSproc.h"
-
-#include "xf86Cursor.h"
-
-#define INIT_TI_RAMDAC_INFO
-#include "TIPriv.h"
-#include "xf86RamDacPriv.h"
-
-/* The following values are in kHz */
-#define TI_MIN_VCO_FREQ  110000
-#define TI_MAX_VCO_FREQ  220000
-
-unsigned long
-TIramdacCalculateMNPForClock(
-    unsigned long RefClock,	/* In 100Hz units */
-    unsigned long ReqClock,	/* In 100Hz units */
-    char IsPixClock,	/* boolean, is this the pixel or the sys clock */
-    unsigned long MinClock,	/* Min VCO rating */
-    unsigned long MaxClock,	/* Max VCO rating */
-    unsigned long *rM,	/* M Out */
-    unsigned long *rN,	/* N Out */
-    unsigned long *rP 	/* Min P In, P Out */
-)
-{
-    unsigned long   n, p;
-    unsigned long   best_m = 0, best_n = 0;
-    double          VCO, IntRef = (double)RefClock;
-    double          m_err, inc_m, calc_m;
-    unsigned long   ActualClock;
-
-    /* Make sure that MinClock <= ReqClock <= MaxClock */
-    if ( ReqClock < MinClock)
-	ReqClock = MinClock;
-    if ( ReqClock > MaxClock )
-	ReqClock = MaxClock;
-
-    /*
-     * ActualClock = VCO / 2 ^ p
-     * Choose p so that TI_MIN_VCO_FREQ <= VCO <= TI_MAX_VCO_FREQ
-     * Note that since TI_MAX_VCO_FREQ = 2 * TI_MIN_VCO_FREQ
-     * we don't have to bother checking for this maximum limit.
-     */
-    VCO = (double)ReqClock;
-    for ( p = 0; p < 3 && VCO < TI_MIN_VCO_FREQ; ( p )++ )
-	 VCO *= 2.0;
-
-    /*
-     * We avoid doing multiplications by ( 65 - n ),
-     * and add an increment instead - this keeps any error small.
-     */
-    inc_m = VCO / ( IntRef * 8.0 );
-
-    /* Initial value of calc_m for the loop */
-    calc_m = inc_m + inc_m + inc_m;
-
-    /* Initial amount of error for an integer - impossibly large */
-    m_err = 2.0;
-
-    /* Search for the closest INTEGER value of ( 65 - m ) */
-    for ( n = 3; n <= 25; ( n )++, calc_m += inc_m ) {
-
-	/* Ignore values of ( 65 - m ) which we can't use */
-	if ( calc_m < 3.0 || calc_m > 64.0 )
-	    continue;
-
-	/*
-	 * Pick the closest INTEGER (has smallest fractional part).
-	 * The optimizer should clean this up for us.
-	 */
-	if (( calc_m - ( int ) calc_m ) < m_err ) {
-	    m_err = calc_m - ( int ) calc_m;
-	    best_m = ( int ) calc_m;
-	    best_n = n;
-	}
-    }
-
-    /* 65 - ( 65 - x ) = x */
-    *rM = 65 - best_m;
-    *rN = 65 - best_n;
-    *rP = p;
-
-    /* Now all the calculations can be completed */
-    VCO = 8.0 * IntRef * best_m / best_n;
-    ActualClock = VCO / ( 1 << p );
-
-    DebugF( "f_out=%ld f_vco=%.1f n=%d m=%d p=%d\n",
-	    ActualClock, VCO, *rN, *rM, *rP);
-
-    return (ActualClock);
-}
-
-void
-TIramdacRestore(ScrnInfoPtr pScrn, RamDacRecPtr ramdacPtr,
-				   RamDacRegRecPtr ramdacReg)
-{
-    int i;
-    unsigned long status;
-
-    /* Here we pass a short, so that we can evaluate a mask too
-     * So that the mask is the high byte and the data the low byte
-     * Order is important
-     */
-    TIRESTORE(TIDAC_latch_ctrl);
-    TIRESTORE(TIDAC_true_color_ctrl);
-    TIRESTORE(TIDAC_multiplex_ctrl);
-    TIRESTORE(TIDAC_clock_select);
-    TIRESTORE(TIDAC_palette_page);
-    TIRESTORE(TIDAC_general_ctrl);
-    TIRESTORE(TIDAC_misc_ctrl);
-	    /* 0x2A & 0x2B are reserved */
-    TIRESTORE(TIDAC_key_over_low);
-    TIRESTORE(TIDAC_key_over_high);
-    TIRESTORE(TIDAC_key_red_low);
-    TIRESTORE(TIDAC_key_red_high);
-    TIRESTORE(TIDAC_key_green_low);
-    TIRESTORE(TIDAC_key_green_high);
-    TIRESTORE(TIDAC_key_blue_low);
-    TIRESTORE(TIDAC_key_blue_high);
-    TIRESTORE(TIDAC_key_ctrl);
-    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_clock_ctrl, 0, 0x30);
-    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_clock_ctrl, 0, 0x38);
-    TIRESTORE(TIDAC_clock_ctrl);
-    TIRESTORE(TIDAC_sense_test);
-    TIRESTORE(TIDAC_ind_curs_ctrl);
-
-    /* only restore clocks if they were valid to begin with */
-
-    if (ramdacReg->DacRegs[TIDAC_PIXEL_VALID]) {
-    /* Reset pixel clock */
-    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_pll_addr, 0, 0x22);
-    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_pll_pixel_data, 0, 0x3c);
-
-    /* Restore N, M & P values for pixel clocks */
-    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_pll_addr, 0, 0);
-    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_pll_pixel_data, 0,
-					ramdacReg->DacRegs[TIDAC_PIXEL_N]);
-    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_pll_pixel_data, 0,
-					ramdacReg->DacRegs[TIDAC_PIXEL_M]);
-    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_pll_pixel_data, 0,
-					ramdacReg->DacRegs[TIDAC_PIXEL_P]);
-
-    /* wait for pixel clock to lock */
-    i = 1000000;
-    do {
-	status = (*ramdacPtr->ReadDAC)(pScrn, TIDAC_pll_pixel_data);
-    } while ((!(status & 0x40)) && (--i));
-    if (!(status & 0x40)) {
-	xf86DrvMsg(pScrn->scrnIndex, X_ERROR, 
-			"Pixel clock setup timed out\n");
-	return;
-    }
-    }
-
-    if (ramdacReg->DacRegs[TIDAC_LOOP_VALID]) {
-    /* Reset loop clock */
-    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_pll_addr, 0, 0x22);
-    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_pll_loop_data, 0, 0x70);
-
-    /* Restore N, M & P values for pixel clocks */
-    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_pll_addr, 0, 0);
-    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_pll_loop_data, 0,
-					ramdacReg->DacRegs[TIDAC_LOOP_N]);
-    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_pll_loop_data, 0,
-					ramdacReg->DacRegs[TIDAC_LOOP_M]);
-    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_pll_loop_data, 0,
-					ramdacReg->DacRegs[TIDAC_LOOP_P]);
-
-    /* wait for loop clock to lock */
-    i = 1000000;
-    do {
-        status = (*ramdacPtr->ReadDAC)(pScrn, TIDAC_pll_loop_data);
-    } while ((!(status & 0x40)) && (--i));
-    if (!(status & 0x40)) {
-	    xf86DrvMsg(pScrn->scrnIndex, X_ERROR, 
-			"Loop clock setup timed out\n");
-	    return;
-    }
-    }
-
-    /* restore palette */
-    (*ramdacPtr->WriteAddress)(pScrn, 0);
-#ifndef NOT_DONE
-    for (i=0;i<768;i++)
-	(*ramdacPtr->WriteData)(pScrn, ramdacReg->DAC[i]);
-#else
-	(*ramdacPtr->WriteData)(pScrn, 0);
-	(*ramdacPtr->WriteData)(pScrn, 0);
-	(*ramdacPtr->WriteData)(pScrn, 0);
-    for (i=0;i<765;i++)
-	(*ramdacPtr->WriteData)(pScrn, 0xff);
-#endif
-}
-
-void
-TIramdacSave(ScrnInfoPtr pScrn, RamDacRecPtr ramdacPtr, 
-				RamDacRegRecPtr ramdacReg)
-{
-    int i;
-
-    (*ramdacPtr->ReadAddress)(pScrn, 0);
-    for (i=0;i<768;i++)
-	ramdacReg->DAC[i] = (*ramdacPtr->ReadData)(pScrn);
-
-    /* Read back N,M and P values for pixel clock */
-    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_pll_addr, 0, 0);
-    ramdacReg->DacRegs[TIDAC_PIXEL_N] = 
-			(*ramdacPtr->ReadDAC)(pScrn, TIDAC_pll_pixel_data);
-    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_pll_addr, 0, 0x11);
-    ramdacReg->DacRegs[TIDAC_PIXEL_M] = 
-		    	(*ramdacPtr->ReadDAC)(pScrn, TIDAC_pll_pixel_data);
-    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_pll_addr, 0, 0x22);
-    ramdacReg->DacRegs[TIDAC_PIXEL_P] = 
-		    (*ramdacPtr->ReadDAC)(pScrn, TIDAC_pll_pixel_data);
-
-    /* Read back N,M and P values for loop clock */
-    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_pll_addr, 0, 0);
-    ramdacReg->DacRegs[TIDAC_LOOP_N] = 
-		    (*ramdacPtr->ReadDAC)(pScrn, TIDAC_pll_loop_data);
-    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_pll_addr, 0, 0x11);
-    ramdacReg->DacRegs[TIDAC_LOOP_M] = 
-		    (*ramdacPtr->ReadDAC)(pScrn, TIDAC_pll_loop_data);
-    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_pll_addr, 0, 0x22);
-    ramdacReg->DacRegs[TIDAC_LOOP_P] = 
-		    (*ramdacPtr->ReadDAC)(pScrn, TIDAC_pll_loop_data);
-
-    /* Order is important */
-    TISAVE(TIDAC_latch_ctrl);
-    TISAVE(TIDAC_true_color_ctrl);
-    TISAVE(TIDAC_multiplex_ctrl);
-    TISAVE(TIDAC_clock_select);
-    TISAVE(TIDAC_palette_page);
-    TISAVE(TIDAC_general_ctrl);
-    TISAVE(TIDAC_misc_ctrl);
-	    /* 0x2A & 0x2B are reserved */
-    TISAVE(TIDAC_key_over_low);
-    TISAVE(TIDAC_key_over_high);
-    TISAVE(TIDAC_key_red_low);
-    TISAVE(TIDAC_key_red_high);
-    TISAVE(TIDAC_key_green_low);
-    TISAVE(TIDAC_key_green_high);
-    TISAVE(TIDAC_key_blue_low);
-    TISAVE(TIDAC_key_blue_high);
-    TISAVE(TIDAC_key_ctrl);
-    TISAVE(TIDAC_clock_ctrl);
-    TISAVE(TIDAC_sense_test);
-    TISAVE(TIDAC_ind_curs_ctrl);
-}
-
-RamDacHelperRecPtr
-TIramdacProbe(ScrnInfoPtr pScrn, RamDacSupportedInfoRecPtr ramdacs)
-{
-    RamDacRecPtr ramdacPtr = RAMDACSCRPTR(pScrn);
-    RamDacHelperRecPtr ramdacHelperPtr = NULL;
-    Bool RamDacIsSupported = FALSE;
-    int TIramdac_ID = -1;
-    int i;
-    unsigned char id, rev, rev2, id2;
-
-    /* read ID and revision */
-    rev = (*ramdacPtr->ReadDAC)(pScrn, TIDAC_rev);
-    id = (*ramdacPtr->ReadDAC)(pScrn, TIDAC_id);
-
-    /* check if ID and revision are read only */
-    (*ramdacPtr->WriteDAC)(pScrn, ~rev, 0, TIDAC_rev);
-    (*ramdacPtr->WriteDAC)(pScrn, ~id, 0, TIDAC_id);
-    rev2 = (*ramdacPtr->ReadDAC)(pScrn, TIDAC_rev);
-    id2 = (*ramdacPtr->ReadDAC)(pScrn, TIDAC_id);
-
-    switch (id) {
-	case TIDAC_TVP_3030_ID:
-		if (id == id2 && rev == rev2)  /* check for READ ONLY */
-		    TIramdac_ID = TI3030_RAMDAC;
-		break;
-	case TIDAC_TVP_3026_ID:
-		if (id == id2 && rev == rev2)  /* check for READ ONLY */
-		    TIramdac_ID = TI3026_RAMDAC;
-		break;
-    }
-
-    (*ramdacPtr->WriteDAC)(pScrn, rev, 0, TIDAC_rev);
-    (*ramdacPtr->WriteDAC)(pScrn, id, 0, TIDAC_id);
-
-    if (TIramdac_ID == -1) {
-        xf86DrvMsg(pScrn->scrnIndex, X_PROBED, 
-		"Cannot determine TI RAMDAC type, aborting\n");
-	return NULL;
-    } else {
-        xf86DrvMsg(pScrn->scrnIndex, X_PROBED, 
-		"Attached RAMDAC is %s\n", TIramdacDeviceInfo[TIramdac_ID&0xFFFF].DeviceName);
-    }
-
-    for (i=0;ramdacs[i].token != -1;i++) {
-	if (ramdacs[i].token == TIramdac_ID)
-	    RamDacIsSupported = TRUE;
-    }
-
-    if (!RamDacIsSupported) {
-        xf86DrvMsg(pScrn->scrnIndex, X_PROBED, 
-		"This TI RAMDAC is NOT supported by this driver, aborting\n");
-	return NULL;
-    }
-
-    ramdacHelperPtr = RamDacHelperCreateInfoRec();
-    switch (TIramdac_ID) {
-	case TI3030_RAMDAC:
- 	    ramdacHelperPtr->SetBpp = TIramdac3030SetBpp;
-    	    ramdacHelperPtr->HWCursorInit = TIramdacHWCursorInit;
-	    break;
-	case TI3026_RAMDAC:
- 	    ramdacHelperPtr->SetBpp = TIramdac3026SetBpp;
-    	    ramdacHelperPtr->HWCursorInit = TIramdacHWCursorInit;
-	    break;
-    }
-    ramdacPtr->RamDacType = TIramdac_ID;
-    ramdacHelperPtr->RamDacType = TIramdac_ID;
-    ramdacHelperPtr->Save = TIramdacSave;
-    ramdacHelperPtr->Restore = TIramdacRestore;
-
-    return ramdacHelperPtr;
-}
-
-void
-TIramdac3026SetBpp(ScrnInfoPtr pScrn, RamDacRegRecPtr ramdacReg)
-{
-    switch (pScrn->bitsPerPixel) {
-    case 32:
-	/* order is important */
-	ramdacReg->DacRegs[TIDAC_latch_ctrl] = 0x06;
-	ramdacReg->DacRegs[TIDAC_true_color_ctrl] = 0x46;
-	ramdacReg->DacRegs[TIDAC_multiplex_ctrl] = 0x5c;
-	ramdacReg->DacRegs[TIDAC_clock_select] = 0x05;
-	ramdacReg->DacRegs[TIDAC_palette_page] = 0x00;
-	ramdacReg->DacRegs[TIDAC_general_ctrl] = 0x10;
-	ramdacReg->DacRegs[TIDAC_misc_ctrl] = 0x3C;
-	/* 0x2A & 0x2B are reserved */
-	ramdacReg->DacRegs[TIDAC_key_over_low] = 0xFF;
-	ramdacReg->DacRegs[TIDAC_key_over_high] = 0xFF;
-	ramdacReg->DacRegs[TIDAC_key_red_low] = 0xFF;
-	ramdacReg->DacRegs[TIDAC_key_red_high] = 0xFF;
-	ramdacReg->DacRegs[TIDAC_key_green_low] = 0xFF;
-	ramdacReg->DacRegs[TIDAC_key_green_high] = 0xFF;
-	ramdacReg->DacRegs[TIDAC_key_blue_low] = 0xFF;
-	ramdacReg->DacRegs[TIDAC_key_blue_high] = 0x00;
-	ramdacReg->DacRegs[TIDAC_key_ctrl] = 0x10;
-	ramdacReg->DacRegs[TIDAC_sense_test] = 0x00;
-	if (pScrn->overlayFlags & OVERLAY_8_32_PLANAR) {
-	    ramdacReg->DacRegs[TIDAC_true_color_ctrl] = 0x06;
-	    ramdacReg->DacRegs[TIDAC_misc_ctrl] = 0x3C;
-	    ramdacReg->DacRegs[TIDAC_key_ctrl] = 0x01;
-	}
-	ramdacReg->DacRegs[TIDAC_ind_curs_ctrl] = 0x00;
-	break;
-    case 24:
-	/* order is important */
-	ramdacReg->DacRegs[TIDAC_latch_ctrl] = 0x06;
-	ramdacReg->DacRegs[TIDAC_true_color_ctrl] = 0x56;
-	ramdacReg->DacRegs[TIDAC_multiplex_ctrl] = 0x58;
-	ramdacReg->DacRegs[TIDAC_clock_select] = 0x25;
-	ramdacReg->DacRegs[TIDAC_palette_page] = 0x00;
-	ramdacReg->DacRegs[TIDAC_general_ctrl] = 0x00;
-	ramdacReg->DacRegs[TIDAC_misc_ctrl] = 0x2C;
-	/* 0x2A & 0x2B are reserved */
-	ramdacReg->DacRegs[TIDAC_key_over_low] = 0xFF;
-	ramdacReg->DacRegs[TIDAC_key_over_high] = 0xFF;
-	ramdacReg->DacRegs[TIDAC_key_red_low] = 0xFF;
-	ramdacReg->DacRegs[TIDAC_key_red_high] = 0xFF;
-	ramdacReg->DacRegs[TIDAC_key_green_low] = 0xFF;
-	ramdacReg->DacRegs[TIDAC_key_green_high] = 0xFF;
-	ramdacReg->DacRegs[TIDAC_key_blue_low] = 0xFF;
-	ramdacReg->DacRegs[TIDAC_key_blue_high] = 0x00;
-	ramdacReg->DacRegs[TIDAC_key_ctrl] = 0x10;
-	ramdacReg->DacRegs[TIDAC_sense_test] = 0x00;
-	ramdacReg->DacRegs[TIDAC_ind_curs_ctrl] = 0x00;
-	break;
-    case 16:
-	/* order is important */
-#if 0
-	/* Matrox driver uses this */
-	ramdacReg->DacRegs[TIDAC_latch_ctrl] = 0x07;
-#else
-	ramdacReg->DacRegs[TIDAC_latch_ctrl] = 0x06;
-#endif
-	if (pScrn->depth == 16) {
-	    ramdacReg->DacRegs[TIDAC_true_color_ctrl] = 0x45;
-	} else {
-	    ramdacReg->DacRegs[TIDAC_true_color_ctrl] = 0x44;
-	}
-#if 0
-	/* Matrox driver uses this */
-	ramdacReg->DacRegs[TIDAC_multiplex_ctrl] = 0x50;
-	ramdacReg->DacRegs[TIDAC_clock_select] = 0x15;
-	ramdacReg->DacRegs[TIDAC_palette_page] = 0x00;
-	ramdacReg->DacRegs[TIDAC_general_ctrl] = 0x00;
-#else
-	ramdacReg->DacRegs[TIDAC_multiplex_ctrl] = 0x54;
-	ramdacReg->DacRegs[TIDAC_clock_select] = 0x05;
-	ramdacReg->DacRegs[TIDAC_palette_page] = 0x00;
-	ramdacReg->DacRegs[TIDAC_general_ctrl] = 0x10;
-#endif
-	ramdacReg->DacRegs[TIDAC_misc_ctrl] = 0x2C;
-	/* 0x2A & 0x2B are reserved */
-	ramdacReg->DacRegs[TIDAC_key_over_low] = 0xFF;
-	ramdacReg->DacRegs[TIDAC_key_over_high] = 0xFF;
-	ramdacReg->DacRegs[TIDAC_key_red_low] = 0xFF;
-	ramdacReg->DacRegs[TIDAC_key_red_high] = 0xFF;
-	ramdacReg->DacRegs[TIDAC_key_green_low] = 0xFF;
-	ramdacReg->DacRegs[TIDAC_key_green_high] = 0xFF;
-	ramdacReg->DacRegs[TIDAC_key_blue_low] = 0xFF;
-	ramdacReg->DacRegs[TIDAC_key_blue_high] = 0x00;
-	ramdacReg->DacRegs[TIDAC_key_ctrl] = 0x10;
-	ramdacReg->DacRegs[TIDAC_sense_test] = 0x00;
-	ramdacReg->DacRegs[TIDAC_ind_curs_ctrl] = 0x00;
-	break;
-    case 8:
-	/* order is important */
-	ramdacReg->DacRegs[TIDAC_latch_ctrl] = 0x06;
-	ramdacReg->DacRegs[TIDAC_true_color_ctrl] = 0x80;
-	ramdacReg->DacRegs[TIDAC_multiplex_ctrl] = 0x4c;
-	ramdacReg->DacRegs[TIDAC_clock_select] = 0x05;
-	ramdacReg->DacRegs[TIDAC_palette_page] = 0x00;
-	ramdacReg->DacRegs[TIDAC_general_ctrl] = 0x10;
-	ramdacReg->DacRegs[TIDAC_misc_ctrl] = 0x1C;
-	/* 0x2A & 0x2B are reserved */
-	ramdacReg->DacRegs[TIDAC_key_over_low] = 0xFF;
-	ramdacReg->DacRegs[TIDAC_key_over_high] = 0xFF;
-	ramdacReg->DacRegs[TIDAC_key_red_low] = 0xFF;
-	ramdacReg->DacRegs[TIDAC_key_red_high] = 0xFF;
-	ramdacReg->DacRegs[TIDAC_key_green_low] = 0xFF;
-	ramdacReg->DacRegs[TIDAC_key_green_high] = 0xFF;
-	ramdacReg->DacRegs[TIDAC_key_blue_low] = 0x00;
-	ramdacReg->DacRegs[TIDAC_key_blue_high] = 0x00;
-	ramdacReg->DacRegs[TIDAC_key_ctrl] = 0x00;
-	ramdacReg->DacRegs[TIDAC_sense_test] = 0x00;
-	ramdacReg->DacRegs[TIDAC_ind_curs_ctrl] = 0x00;
-	break;
-    }
-}
-
-void
-TIramdac3030SetBpp(ScrnInfoPtr pScrn, RamDacRegRecPtr ramdacReg)
-{
-    switch (pScrn->bitsPerPixel) {
-    case 32:
-	/* order is important */
-	ramdacReg->DacRegs[TIDAC_latch_ctrl] = 0x06;
-	ramdacReg->DacRegs[TIDAC_true_color_ctrl] = 0x46;
-	ramdacReg->DacRegs[TIDAC_multiplex_ctrl] = 0x5D;
-	ramdacReg->DacRegs[TIDAC_clock_select] = 0x05;
-	ramdacReg->DacRegs[TIDAC_palette_page] = 0x00;
-	ramdacReg->DacRegs[TIDAC_general_ctrl] = 0x10;
-	ramdacReg->DacRegs[TIDAC_misc_ctrl] = 0x3C;
-	/* 0x2A & 0x2B are reserved */
-	ramdacReg->DacRegs[TIDAC_key_over_low] = 0xFF;
-	ramdacReg->DacRegs[TIDAC_key_over_high] = 0xFF;
-	ramdacReg->DacRegs[TIDAC_key_red_low] = 0xFF;
-	ramdacReg->DacRegs[TIDAC_key_red_high] = 0xFF;
-	ramdacReg->DacRegs[TIDAC_key_green_low] = 0xFF;
-	ramdacReg->DacRegs[TIDAC_key_green_high] = 0xFF;
-	ramdacReg->DacRegs[TIDAC_key_blue_low] = 0xFF;
-	ramdacReg->DacRegs[TIDAC_key_blue_high] = 0x00;
-	ramdacReg->DacRegs[TIDAC_key_ctrl] = 0x10;
-	ramdacReg->DacRegs[TIDAC_sense_test] = 0x00;
-	if (pScrn->overlayFlags & OVERLAY_8_32_PLANAR) {
-	    ramdacReg->DacRegs[TIDAC_true_color_ctrl] = 0x06;
-	    ramdacReg->DacRegs[TIDAC_misc_ctrl] = 0x3C;
-	    ramdacReg->DacRegs[TIDAC_key_ctrl] = 0x01;
-	}
-	ramdacReg->DacRegs[TIDAC_ind_curs_ctrl] = 0x00;
-	break;
-    case 24:
-	/* order is important */
-	ramdacReg->DacRegs[TIDAC_latch_ctrl] = 0x06;
-	ramdacReg->DacRegs[TIDAC_true_color_ctrl] = 0x56;
-	ramdacReg->DacRegs[TIDAC_multiplex_ctrl] = 0x58;
-	ramdacReg->DacRegs[TIDAC_clock_select] = 0x25;
-	ramdacReg->DacRegs[TIDAC_palette_page] = 0x00;
-	ramdacReg->DacRegs[TIDAC_general_ctrl] = 0x00;
-	ramdacReg->DacRegs[TIDAC_misc_ctrl] = 0x2C;
-	/* 0x2A & 0x2B are reserved */
-	ramdacReg->DacRegs[TIDAC_key_over_low] = 0xFF;
-	ramdacReg->DacRegs[TIDAC_key_over_high] = 0xFF;
-	ramdacReg->DacRegs[TIDAC_key_red_low] = 0xFF;
-	ramdacReg->DacRegs[TIDAC_key_red_high] = 0xFF;
-	ramdacReg->DacRegs[TIDAC_key_green_low] = 0xFF;
-	ramdacReg->DacRegs[TIDAC_key_green_high] = 0xFF;
-	ramdacReg->DacRegs[TIDAC_key_blue_low] = 0xFF;
-	ramdacReg->DacRegs[TIDAC_key_blue_high] = 0x00;
-	ramdacReg->DacRegs[TIDAC_key_ctrl] = 0x10;
-	ramdacReg->DacRegs[TIDAC_sense_test] = 0x00;
-	ramdacReg->DacRegs[TIDAC_ind_curs_ctrl] = 0x00;
-	break;
-    case 16:
-	/* order is important */
-#if 0
-	/* Matrox driver uses this */
-	ramdacReg->DacRegs[TIDAC_latch_ctrl] = 0x07;
-#else
-	ramdacReg->DacRegs[TIDAC_latch_ctrl] = 0x06;
-#endif
-	if (pScrn->depth == 16) {
-	    ramdacReg->DacRegs[TIDAC_true_color_ctrl] = 0x45;
-	} else {
-	    ramdacReg->DacRegs[TIDAC_true_color_ctrl] = 0x44;
-	}
-#if 0
-	/* Matrox driver uses this */
-	ramdacReg->DacRegs[TIDAC_multiplex_ctrl] = 0x50;
-	ramdacReg->DacRegs[TIDAC_clock_select] = 0x15;
-	ramdacReg->DacRegs[TIDAC_palette_page] = 0x00;
-	ramdacReg->DacRegs[TIDAC_general_ctrl] = 0x00;
-#else
-	ramdacReg->DacRegs[TIDAC_multiplex_ctrl] = 0x55;
-	ramdacReg->DacRegs[TIDAC_clock_select] = 0x85;
-	ramdacReg->DacRegs[TIDAC_palette_page] = 0x00;
-	ramdacReg->DacRegs[TIDAC_general_ctrl] = 0x10;
-#endif
-	ramdacReg->DacRegs[TIDAC_misc_ctrl] = 0x2C;
-	/* 0x2A & 0x2B are reserved */
-	ramdacReg->DacRegs[TIDAC_key_over_low] = 0xFF;
-	ramdacReg->DacRegs[TIDAC_key_over_high] = 0xFF;
-	ramdacReg->DacRegs[TIDAC_key_red_low] = 0xFF;
-	ramdacReg->DacRegs[TIDAC_key_red_high] = 0xFF;
-	ramdacReg->DacRegs[TIDAC_key_green_low] = 0xFF;
-	ramdacReg->DacRegs[TIDAC_key_green_high] = 0xFF;
-	ramdacReg->DacRegs[TIDAC_key_blue_low] = 0xFF;
-	ramdacReg->DacRegs[TIDAC_key_blue_high] = 0x00;
-	ramdacReg->DacRegs[TIDAC_key_ctrl] = 0x10;
-	ramdacReg->DacRegs[TIDAC_sense_test] = 0x00;
-	ramdacReg->DacRegs[TIDAC_ind_curs_ctrl] = 0x00;
-	break;
-    case 8:
-	/* order is important */
-	ramdacReg->DacRegs[TIDAC_latch_ctrl] = 0x06;
-	ramdacReg->DacRegs[TIDAC_true_color_ctrl] = 0x80;
-	ramdacReg->DacRegs[TIDAC_multiplex_ctrl] = 0x4d;
-	ramdacReg->DacRegs[TIDAC_clock_select] = 0x05;
-	ramdacReg->DacRegs[TIDAC_palette_page] = 0x00;
-	ramdacReg->DacRegs[TIDAC_general_ctrl] = 0x10;
-	ramdacReg->DacRegs[TIDAC_misc_ctrl] = 0x1C;
-	/* 0x2A & 0x2B are reserved */
-	ramdacReg->DacRegs[TIDAC_key_over_low] = 0xFF;
-	ramdacReg->DacRegs[TIDAC_key_over_high] = 0xFF;
-	ramdacReg->DacRegs[TIDAC_key_red_low] = 0xFF;
-	ramdacReg->DacRegs[TIDAC_key_red_high] = 0xFF;
-	ramdacReg->DacRegs[TIDAC_key_green_low] = 0xFF;
-	ramdacReg->DacRegs[TIDAC_key_green_high] = 0xFF;
-	ramdacReg->DacRegs[TIDAC_key_blue_low] = 0x00;
-	ramdacReg->DacRegs[TIDAC_key_blue_high] = 0x00;
-	ramdacReg->DacRegs[TIDAC_key_ctrl] = 0x00;
-	ramdacReg->DacRegs[TIDAC_sense_test] = 0x00;
-	ramdacReg->DacRegs[TIDAC_ind_curs_ctrl] = 0x00;
-	break;
-    }
-}
-
-static void 
-TIramdacShowCursor(ScrnInfoPtr pScrn)
-{
-    RamDacRecPtr ramdacPtr = RAMDACSCRPTR(pScrn);
-
-    /* Enable cursor - X11 mode */
-    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_ind_curs_ctrl, 0, 0x03);
-}
-
-static void
-TIramdacHideCursor(ScrnInfoPtr pScrn)
-{
-    RamDacRecPtr ramdacPtr = RAMDACSCRPTR(pScrn);
-
-    /* Disable cursor - X11 mode */
-    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_ind_curs_ctrl, 0, 0x00);
-}
-
-static void
-TIramdacSetCursorPosition(ScrnInfoPtr pScrn, int x, int y)
-{
-    RamDacRecPtr ramdacPtr = RAMDACSCRPTR(pScrn);
-
-    x += 64;
-    y += 64;
-
-    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_CURS_XLOW,  0, x & 0xff);
-    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_CURS_XHIGH, 0, (x >> 8) & 0x0f);
-    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_CURS_YLOW,  0, y & 0xff);
-    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_CURS_YHIGH, 0, (y >> 8) & 0x0f);
-}
-
-static void
-TIramdacSetCursorColors(ScrnInfoPtr pScrn, int bg, int fg)
-{
-    RamDacRecPtr ramdacPtr = RAMDACSCRPTR(pScrn);
-
-    /* Background color */
-    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_CURS_WRITE_ADDR, 0, 1);
-    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_CURS_COLOR, 0, ((bg&0x00ff0000) >> 16));
-    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_CURS_COLOR, 0, ((bg&0x0000ff00) >>  8));
-    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_CURS_COLOR, 0,  (bg&0x000000ff)       );
-
-    /* Foreground color */
-    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_CURS_WRITE_ADDR, 0, 2);
-    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_CURS_COLOR, 0, ((fg&0x00ff0000) >> 16));
-    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_CURS_COLOR, 0, ((fg&0x0000ff00) >>  8));
-    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_CURS_COLOR, 0,  (fg&0x000000ff)       );
-}
-
-static void 
-TIramdacLoadCursorImage(ScrnInfoPtr pScrn, unsigned char *src)
-{
-    RamDacRecPtr ramdacPtr = RAMDACSCRPTR(pScrn);
-    int i = 1024;
-
-    /* reset A9,A8 */
-    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_ind_curs_ctrl, 0, 0x00); 
-    /* reset cursor RAM load address A7..A0 */
-    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_INDEX, 0x00, 0x00); 
- 
-    while(i--) {
-	/* NOT_DONE: might need a delay here */
-	(*ramdacPtr->WriteDAC)(pScrn, TIDAC_CURS_RAM_DATA, 0, *(src++));
-    }
-}
-
-static Bool 
-TIramdacUseHWCursor(ScreenPtr pScr, CursorPtr pCurs)
-{
-    return TRUE;
-}
-
-void
-TIramdacHWCursorInit(xf86CursorInfoPtr infoPtr)
-{
-    infoPtr->MaxWidth = 64;
-    infoPtr->MaxHeight = 64;
-    infoPtr->Flags = HARDWARE_CURSOR_BIT_ORDER_MSBFIRST |
-		     HARDWARE_CURSOR_TRUECOLOR_AT_8BPP |
-		     HARDWARE_CURSOR_SOURCE_MASK_NOT_INTERLEAVED;
-    infoPtr->SetCursorColors = TIramdacSetCursorColors;
-    infoPtr->SetCursorPosition = TIramdacSetCursorPosition;
-    infoPtr->LoadCursorImage = TIramdacLoadCursorImage;
-    infoPtr->HideCursor = TIramdacHideCursor;
-    infoPtr->ShowCursor = TIramdacShowCursor;
-    infoPtr->UseHWCursor = TIramdacUseHWCursor;
-}
-
-void TIramdacLoadPalette(
-    ScrnInfoPtr pScrn, 
-    int numColors, 
-    int *indices,
-    LOCO *colors,
-    VisualPtr pVisual
-){
-    RamDacRecPtr hwp = RAMDACSCRPTR(pScrn);
-    int i, index, shift;
-
-    if (pScrn->depth == 16) {
-    for(i = 0; i < numColors; i++) {
-	index = indices[i];
-    	(*hwp->WriteAddress)(pScrn, index << 2);
-	(*hwp->WriteData)(pScrn, colors[index >> 1].red);
-	(*hwp->WriteData)(pScrn, colors[index].green);
-	(*hwp->WriteData)(pScrn, colors[index >> 1].blue);
-
-	if(index <= 31) {
-	    (*hwp->WriteAddress)(pScrn, index << 3);
-	    (*hwp->WriteData)(pScrn, colors[index].red);
-	    (*hwp->WriteData)(pScrn, colors[(index << 1) + 1].green);
-	    (*hwp->WriteData)(pScrn, colors[index].blue);
-	}
-    }
-} else {
-    shift = (pScrn->depth == 15) ? 3 : 0;
-
-    for(i = 0; i < numColors; i++) {
-	index = indices[i];
-    	(*hwp->WriteAddress)(pScrn, index << shift);
-	(*hwp->WriteData)(pScrn, colors[index].red);
-	(*hwp->WriteData)(pScrn, colors[index].green);
-	(*hwp->WriteData)(pScrn, colors[index].blue);
-    }
-}
-}
-
-TIramdacLoadPaletteProc *TIramdacLoadPaletteWeak(void) {
-    return TIramdacLoadPalette;
-}
+/*

+ * Copyright 1998 by Alan Hourihane, Wigan, England.

+ *

+ * Permission to use, copy, modify, distribute, and sell this software and its

+ * documentation for any purpose is hereby granted without fee, provided that

+ * the above copyright notice appear in all copies and that both that

+ * copyright notice and this permission notice appear in supporting

+ * documentation, and that the name of Alan Hourihane not be used in

+ * advertising or publicity pertaining to distribution of the software without

+ * specific, written prior permission.  Alan Hourihane makes no representations

+ * about the suitability of this software for any purpose.  It is provided

+ * "as is" without express or implied warranty.

+ *

+ * ALAN HOURIHANE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,

+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO

+ * EVENT SHALL ALAN HOURIHANE BE LIABLE FOR ANY SPECIAL, INDIRECT OR

+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,

+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER

+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR

+ * PERFORMANCE OF THIS SOFTWARE.

+ *

+ * Authors:  Alan Hourihane, <alanh@fairlite.demon.co.uk>

+ *

+ * Modified from IBM.c to support TI RAMDAC routines 

+ *   by Jens Owen, <jens@tungstengraphics.com>.

+ */

+

+#ifdef HAVE_XORG_CONFIG_H

+#include <xorg-config.h>

+#endif

+

+#include "xf86.h"

+#include "xf86_OSproc.h"

+

+#include "xf86Cursor.h"

+

+#define INIT_TI_RAMDAC_INFO

+#include "TIPriv.h"

+#include "xf86RamDacPriv.h"

+

+/* The following values are in kHz */

+#define TI_MIN_VCO_FREQ  110000

+#define TI_MAX_VCO_FREQ  220000

+

+unsigned long

+TIramdacCalculateMNPForClock(

+    unsigned long RefClock,	/* In 100Hz units */

+    unsigned long ReqClock,	/* In 100Hz units */

+    char IsPixClock,	/* boolean, is this the pixel or the sys clock */

+    unsigned long MinClock,	/* Min VCO rating */

+    unsigned long MaxClock,	/* Max VCO rating */

+    unsigned long *rM,	/* M Out */

+    unsigned long *rN,	/* N Out */

+    unsigned long *rP 	/* Min P In, P Out */

+)

+{

+    unsigned long   n, p;

+    unsigned long   best_m = 0, best_n = 0;

+    double          VCO, IntRef = (double)RefClock;

+    double          m_err, inc_m, calc_m;

+    unsigned long   ActualClock;

+

+    /* Make sure that MinClock <= ReqClock <= MaxClock */

+    if ( ReqClock < MinClock)

+	ReqClock = MinClock;

+    if ( ReqClock > MaxClock )

+	ReqClock = MaxClock;

+

+    /*

+     * ActualClock = VCO / 2 ^ p

+     * Choose p so that TI_MIN_VCO_FREQ <= VCO <= TI_MAX_VCO_FREQ

+     * Note that since TI_MAX_VCO_FREQ = 2 * TI_MIN_VCO_FREQ

+     * we don't have to bother checking for this maximum limit.

+     */

+    VCO = (double)ReqClock;

+    for ( p = 0; p < 3 && VCO < TI_MIN_VCO_FREQ; ( p )++ )

+	 VCO *= 2.0;

+

+    /*

+     * We avoid doing multiplications by ( 65 - n ),

+     * and add an increment instead - this keeps any error small.

+     */

+    inc_m = VCO / ( IntRef * 8.0 );

+

+    /* Initial value of calc_m for the loop */

+    calc_m = inc_m + inc_m + inc_m;

+

+    /* Initial amount of error for an integer - impossibly large */

+    m_err = 2.0;

+

+    /* Search for the closest INTEGER value of ( 65 - m ) */

+    for ( n = 3; n <= 25; ( n )++, calc_m += inc_m ) {

+

+	/* Ignore values of ( 65 - m ) which we can't use */

+	if ( calc_m < 3.0 || calc_m > 64.0 )

+	    continue;

+

+	/*

+	 * Pick the closest INTEGER (has smallest fractional part).

+	 * The optimizer should clean this up for us.

+	 */

+	if (( calc_m - ( int ) calc_m ) < m_err ) {

+	    m_err = calc_m - ( int ) calc_m;

+	    best_m = ( int ) calc_m;

+	    best_n = n;

+	}

+    }

+

+    /* 65 - ( 65 - x ) = x */

+    *rM = 65 - best_m;

+    *rN = 65 - best_n;

+    *rP = p;

+

+    /* Now all the calculations can be completed */

+    VCO = 8.0 * IntRef * best_m / best_n;

+    ActualClock = VCO / ( 1 << p );

+

+    DebugF( "f_out=%ld f_vco=%.1f n=%d m=%d p=%d\n",

+	    ActualClock, VCO, *rN, *rM, *rP);

+

+    return ActualClock;

+}

+

+void

+TIramdacRestore(ScrnInfoPtr pScrn, RamDacRecPtr ramdacPtr,

+				   RamDacRegRecPtr ramdacReg)

+{

+    int i;

+    unsigned long status;

+

+    /* Here we pass a short, so that we can evaluate a mask too

+     * So that the mask is the high byte and the data the low byte

+     * Order is important

+     */

+    TIRESTORE(TIDAC_latch_ctrl);

+    TIRESTORE(TIDAC_true_color_ctrl);

+    TIRESTORE(TIDAC_multiplex_ctrl);

+    TIRESTORE(TIDAC_clock_select);

+    TIRESTORE(TIDAC_palette_page);

+    TIRESTORE(TIDAC_general_ctrl);

+    TIRESTORE(TIDAC_misc_ctrl);

+	    /* 0x2A & 0x2B are reserved */

+    TIRESTORE(TIDAC_key_over_low);

+    TIRESTORE(TIDAC_key_over_high);

+    TIRESTORE(TIDAC_key_red_low);

+    TIRESTORE(TIDAC_key_red_high);

+    TIRESTORE(TIDAC_key_green_low);

+    TIRESTORE(TIDAC_key_green_high);

+    TIRESTORE(TIDAC_key_blue_low);

+    TIRESTORE(TIDAC_key_blue_high);

+    TIRESTORE(TIDAC_key_ctrl);

+    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_clock_ctrl, 0, 0x30);

+    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_clock_ctrl, 0, 0x38);

+    TIRESTORE(TIDAC_clock_ctrl);

+    TIRESTORE(TIDAC_sense_test);

+    TIRESTORE(TIDAC_ind_curs_ctrl);

+

+    /* only restore clocks if they were valid to begin with */

+

+    if (ramdacReg->DacRegs[TIDAC_PIXEL_VALID]) {

+    /* Reset pixel clock */

+    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_pll_addr, 0, 0x22);

+    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_pll_pixel_data, 0, 0x3c);

+

+    /* Restore N, M & P values for pixel clocks */

+    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_pll_addr, 0, 0);

+    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_pll_pixel_data, 0,

+					ramdacReg->DacRegs[TIDAC_PIXEL_N]);

+    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_pll_pixel_data, 0,

+					ramdacReg->DacRegs[TIDAC_PIXEL_M]);

+    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_pll_pixel_data, 0,

+					ramdacReg->DacRegs[TIDAC_PIXEL_P]);

+

+    /* wait for pixel clock to lock */

+    i = 1000000;

+    do {

+	status = (*ramdacPtr->ReadDAC)(pScrn, TIDAC_pll_pixel_data);

+    } while ((!(status & 0x40)) && (--i));

+    if (!(status & 0x40)) {

+	xf86DrvMsg(pScrn->scrnIndex, X_ERROR, 

+			"Pixel clock setup timed out\n");

+	return;

+    }

+    }

+

+    if (ramdacReg->DacRegs[TIDAC_LOOP_VALID]) {

+    /* Reset loop clock */

+    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_pll_addr, 0, 0x22);

+    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_pll_loop_data, 0, 0x70);

+

+    /* Restore N, M & P values for pixel clocks */

+    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_pll_addr, 0, 0);

+    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_pll_loop_data, 0,

+					ramdacReg->DacRegs[TIDAC_LOOP_N]);

+    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_pll_loop_data, 0,

+					ramdacReg->DacRegs[TIDAC_LOOP_M]);

+    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_pll_loop_data, 0,

+					ramdacReg->DacRegs[TIDAC_LOOP_P]);

+

+    /* wait for loop clock to lock */

+    i = 1000000;

+    do {

+        status = (*ramdacPtr->ReadDAC)(pScrn, TIDAC_pll_loop_data);

+    } while ((!(status & 0x40)) && (--i));

+    if (!(status & 0x40)) {

+	    xf86DrvMsg(pScrn->scrnIndex, X_ERROR, 

+			"Loop clock setup timed out\n");

+	    return;

+    }

+    }

+

+    /* restore palette */

+    (*ramdacPtr->WriteAddress)(pScrn, 0);

+#ifndef NOT_DONE

+    for (i=0;i<768;i++)

+	(*ramdacPtr->WriteData)(pScrn, ramdacReg->DAC[i]);

+#else

+	(*ramdacPtr->WriteData)(pScrn, 0);

+	(*ramdacPtr->WriteData)(pScrn, 0);

+	(*ramdacPtr->WriteData)(pScrn, 0);

+    for (i=0;i<765;i++)

+	(*ramdacPtr->WriteData)(pScrn, 0xff);

+#endif

+}

+

+void

+TIramdacSave(ScrnInfoPtr pScrn, RamDacRecPtr ramdacPtr, 

+				RamDacRegRecPtr ramdacReg)

+{

+    int i;

+

+    (*ramdacPtr->ReadAddress)(pScrn, 0);

+    for (i=0;i<768;i++)

+	ramdacReg->DAC[i] = (*ramdacPtr->ReadData)(pScrn);

+

+    /* Read back N,M and P values for pixel clock */

+    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_pll_addr, 0, 0);

+    ramdacReg->DacRegs[TIDAC_PIXEL_N] = 

+			(*ramdacPtr->ReadDAC)(pScrn, TIDAC_pll_pixel_data);

+    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_pll_addr, 0, 0x11);

+    ramdacReg->DacRegs[TIDAC_PIXEL_M] = 

+		    	(*ramdacPtr->ReadDAC)(pScrn, TIDAC_pll_pixel_data);

+    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_pll_addr, 0, 0x22);

+    ramdacReg->DacRegs[TIDAC_PIXEL_P] = 

+		    (*ramdacPtr->ReadDAC)(pScrn, TIDAC_pll_pixel_data);

+

+    /* Read back N,M and P values for loop clock */

+    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_pll_addr, 0, 0);

+    ramdacReg->DacRegs[TIDAC_LOOP_N] = 

+		    (*ramdacPtr->ReadDAC)(pScrn, TIDAC_pll_loop_data);

+    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_pll_addr, 0, 0x11);

+    ramdacReg->DacRegs[TIDAC_LOOP_M] = 

+		    (*ramdacPtr->ReadDAC)(pScrn, TIDAC_pll_loop_data);

+    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_pll_addr, 0, 0x22);

+    ramdacReg->DacRegs[TIDAC_LOOP_P] = 

+		    (*ramdacPtr->ReadDAC)(pScrn, TIDAC_pll_loop_data);

+

+    /* Order is important */

+    TISAVE(TIDAC_latch_ctrl);

+    TISAVE(TIDAC_true_color_ctrl);

+    TISAVE(TIDAC_multiplex_ctrl);

+    TISAVE(TIDAC_clock_select);

+    TISAVE(TIDAC_palette_page);

+    TISAVE(TIDAC_general_ctrl);

+    TISAVE(TIDAC_misc_ctrl);

+	    /* 0x2A & 0x2B are reserved */

+    TISAVE(TIDAC_key_over_low);

+    TISAVE(TIDAC_key_over_high);

+    TISAVE(TIDAC_key_red_low);

+    TISAVE(TIDAC_key_red_high);

+    TISAVE(TIDAC_key_green_low);

+    TISAVE(TIDAC_key_green_high);

+    TISAVE(TIDAC_key_blue_low);

+    TISAVE(TIDAC_key_blue_high);

+    TISAVE(TIDAC_key_ctrl);

+    TISAVE(TIDAC_clock_ctrl);

+    TISAVE(TIDAC_sense_test);

+    TISAVE(TIDAC_ind_curs_ctrl);

+}

+

+RamDacHelperRecPtr

+TIramdacProbe(ScrnInfoPtr pScrn, RamDacSupportedInfoRecPtr ramdacs)

+{

+    RamDacRecPtr ramdacPtr = RAMDACSCRPTR(pScrn);

+    RamDacHelperRecPtr ramdacHelperPtr = NULL;

+    Bool RamDacIsSupported = FALSE;

+    int TIramdac_ID = -1;

+    int i;

+    unsigned char id, rev, rev2, id2;

+

+    /* read ID and revision */

+    rev = (*ramdacPtr->ReadDAC)(pScrn, TIDAC_rev);

+    id = (*ramdacPtr->ReadDAC)(pScrn, TIDAC_id);

+

+    /* check if ID and revision are read only */

+    (*ramdacPtr->WriteDAC)(pScrn, ~rev, 0, TIDAC_rev);

+    (*ramdacPtr->WriteDAC)(pScrn, ~id, 0, TIDAC_id);

+    rev2 = (*ramdacPtr->ReadDAC)(pScrn, TIDAC_rev);

+    id2 = (*ramdacPtr->ReadDAC)(pScrn, TIDAC_id);

+

+    switch (id) {

+	case TIDAC_TVP_3030_ID:

+		if (id == id2 && rev == rev2)  /* check for READ ONLY */

+		    TIramdac_ID = TI3030_RAMDAC;

+		break;

+	case TIDAC_TVP_3026_ID:

+		if (id == id2 && rev == rev2)  /* check for READ ONLY */

+		    TIramdac_ID = TI3026_RAMDAC;

+		break;

+    }

+

+    (*ramdacPtr->WriteDAC)(pScrn, rev, 0, TIDAC_rev);

+    (*ramdacPtr->WriteDAC)(pScrn, id, 0, TIDAC_id);

+

+    if (TIramdac_ID == -1) {

+        xf86DrvMsg(pScrn->scrnIndex, X_PROBED, 

+		"Cannot determine TI RAMDAC type, aborting\n");

+	return NULL;

+    } else {

+        xf86DrvMsg(pScrn->scrnIndex, X_PROBED, 

+		"Attached RAMDAC is %s\n", TIramdacDeviceInfo[TIramdac_ID&0xFFFF].DeviceName);

+    }

+

+    for (i=0;ramdacs[i].token != -1;i++) {

+	if (ramdacs[i].token == TIramdac_ID)

+	    RamDacIsSupported = TRUE;

+    }

+

+    if (!RamDacIsSupported) {

+        xf86DrvMsg(pScrn->scrnIndex, X_PROBED, 

+		"This TI RAMDAC is NOT supported by this driver, aborting\n");

+	return NULL;

+    }

+

+    ramdacHelperPtr = RamDacHelperCreateInfoRec();

+    switch (TIramdac_ID) {

+	case TI3030_RAMDAC:

+ 	    ramdacHelperPtr->SetBpp = TIramdac3030SetBpp;

+    	    ramdacHelperPtr->HWCursorInit = TIramdacHWCursorInit;

+	    break;

+	case TI3026_RAMDAC:

+ 	    ramdacHelperPtr->SetBpp = TIramdac3026SetBpp;

+    	    ramdacHelperPtr->HWCursorInit = TIramdacHWCursorInit;

+	    break;

+    }

+    ramdacPtr->RamDacType = TIramdac_ID;

+    ramdacHelperPtr->RamDacType = TIramdac_ID;

+    ramdacHelperPtr->Save = TIramdacSave;

+    ramdacHelperPtr->Restore = TIramdacRestore;

+

+    return ramdacHelperPtr;

+}

+

+void

+TIramdac3026SetBpp(ScrnInfoPtr pScrn, RamDacRegRecPtr ramdacReg)

+{

+    switch (pScrn->bitsPerPixel) {

+    case 32:

+	/* order is important */

+	ramdacReg->DacRegs[TIDAC_latch_ctrl] = 0x06;

+	ramdacReg->DacRegs[TIDAC_true_color_ctrl] = 0x46;

+	ramdacReg->DacRegs[TIDAC_multiplex_ctrl] = 0x5c;

+	ramdacReg->DacRegs[TIDAC_clock_select] = 0x05;

+	ramdacReg->DacRegs[TIDAC_palette_page] = 0x00;

+	ramdacReg->DacRegs[TIDAC_general_ctrl] = 0x10;

+	ramdacReg->DacRegs[TIDAC_misc_ctrl] = 0x3C;

+	/* 0x2A & 0x2B are reserved */

+	ramdacReg->DacRegs[TIDAC_key_over_low] = 0xFF;

+	ramdacReg->DacRegs[TIDAC_key_over_high] = 0xFF;

+	ramdacReg->DacRegs[TIDAC_key_red_low] = 0xFF;

+	ramdacReg->DacRegs[TIDAC_key_red_high] = 0xFF;

+	ramdacReg->DacRegs[TIDAC_key_green_low] = 0xFF;

+	ramdacReg->DacRegs[TIDAC_key_green_high] = 0xFF;

+	ramdacReg->DacRegs[TIDAC_key_blue_low] = 0xFF;

+	ramdacReg->DacRegs[TIDAC_key_blue_high] = 0x00;

+	ramdacReg->DacRegs[TIDAC_key_ctrl] = 0x10;

+	ramdacReg->DacRegs[TIDAC_sense_test] = 0x00;

+	if (pScrn->overlayFlags & OVERLAY_8_32_PLANAR) {

+	    ramdacReg->DacRegs[TIDAC_true_color_ctrl] = 0x06;

+	    ramdacReg->DacRegs[TIDAC_misc_ctrl] = 0x3C;

+	    ramdacReg->DacRegs[TIDAC_key_ctrl] = 0x01;

+	}

+	ramdacReg->DacRegs[TIDAC_ind_curs_ctrl] = 0x00;

+	break;

+    case 24:

+	/* order is important */

+	ramdacReg->DacRegs[TIDAC_latch_ctrl] = 0x06;

+	ramdacReg->DacRegs[TIDAC_true_color_ctrl] = 0x56;

+	ramdacReg->DacRegs[TIDAC_multiplex_ctrl] = 0x58;

+	ramdacReg->DacRegs[TIDAC_clock_select] = 0x25;

+	ramdacReg->DacRegs[TIDAC_palette_page] = 0x00;

+	ramdacReg->DacRegs[TIDAC_general_ctrl] = 0x00;

+	ramdacReg->DacRegs[TIDAC_misc_ctrl] = 0x2C;

+	/* 0x2A & 0x2B are reserved */

+	ramdacReg->DacRegs[TIDAC_key_over_low] = 0xFF;

+	ramdacReg->DacRegs[TIDAC_key_over_high] = 0xFF;

+	ramdacReg->DacRegs[TIDAC_key_red_low] = 0xFF;

+	ramdacReg->DacRegs[TIDAC_key_red_high] = 0xFF;

+	ramdacReg->DacRegs[TIDAC_key_green_low] = 0xFF;

+	ramdacReg->DacRegs[TIDAC_key_green_high] = 0xFF;

+	ramdacReg->DacRegs[TIDAC_key_blue_low] = 0xFF;

+	ramdacReg->DacRegs[TIDAC_key_blue_high] = 0x00;

+	ramdacReg->DacRegs[TIDAC_key_ctrl] = 0x10;

+	ramdacReg->DacRegs[TIDAC_sense_test] = 0x00;

+	ramdacReg->DacRegs[TIDAC_ind_curs_ctrl] = 0x00;

+	break;

+    case 16:

+	/* order is important */

+#if 0

+	/* Matrox driver uses this */

+	ramdacReg->DacRegs[TIDAC_latch_ctrl] = 0x07;

+#else

+	ramdacReg->DacRegs[TIDAC_latch_ctrl] = 0x06;

+#endif

+	if (pScrn->depth == 16) {

+	    ramdacReg->DacRegs[TIDAC_true_color_ctrl] = 0x45;

+	} else {

+	    ramdacReg->DacRegs[TIDAC_true_color_ctrl] = 0x44;

+	}

+#if 0

+	/* Matrox driver uses this */

+	ramdacReg->DacRegs[TIDAC_multiplex_ctrl] = 0x50;

+	ramdacReg->DacRegs[TIDAC_clock_select] = 0x15;

+	ramdacReg->DacRegs[TIDAC_palette_page] = 0x00;

+	ramdacReg->DacRegs[TIDAC_general_ctrl] = 0x00;

+#else

+	ramdacReg->DacRegs[TIDAC_multiplex_ctrl] = 0x54;

+	ramdacReg->DacRegs[TIDAC_clock_select] = 0x05;

+	ramdacReg->DacRegs[TIDAC_palette_page] = 0x00;

+	ramdacReg->DacRegs[TIDAC_general_ctrl] = 0x10;

+#endif

+	ramdacReg->DacRegs[TIDAC_misc_ctrl] = 0x2C;

+	/* 0x2A & 0x2B are reserved */

+	ramdacReg->DacRegs[TIDAC_key_over_low] = 0xFF;

+	ramdacReg->DacRegs[TIDAC_key_over_high] = 0xFF;

+	ramdacReg->DacRegs[TIDAC_key_red_low] = 0xFF;

+	ramdacReg->DacRegs[TIDAC_key_red_high] = 0xFF;

+	ramdacReg->DacRegs[TIDAC_key_green_low] = 0xFF;

+	ramdacReg->DacRegs[TIDAC_key_green_high] = 0xFF;

+	ramdacReg->DacRegs[TIDAC_key_blue_low] = 0xFF;

+	ramdacReg->DacRegs[TIDAC_key_blue_high] = 0x00;

+	ramdacReg->DacRegs[TIDAC_key_ctrl] = 0x10;

+	ramdacReg->DacRegs[TIDAC_sense_test] = 0x00;

+	ramdacReg->DacRegs[TIDAC_ind_curs_ctrl] = 0x00;

+	break;

+    case 8:

+	/* order is important */

+	ramdacReg->DacRegs[TIDAC_latch_ctrl] = 0x06;

+	ramdacReg->DacRegs[TIDAC_true_color_ctrl] = 0x80;

+	ramdacReg->DacRegs[TIDAC_multiplex_ctrl] = 0x4c;

+	ramdacReg->DacRegs[TIDAC_clock_select] = 0x05;

+	ramdacReg->DacRegs[TIDAC_palette_page] = 0x00;

+	ramdacReg->DacRegs[TIDAC_general_ctrl] = 0x10;

+	ramdacReg->DacRegs[TIDAC_misc_ctrl] = 0x1C;

+	/* 0x2A & 0x2B are reserved */

+	ramdacReg->DacRegs[TIDAC_key_over_low] = 0xFF;

+	ramdacReg->DacRegs[TIDAC_key_over_high] = 0xFF;

+	ramdacReg->DacRegs[TIDAC_key_red_low] = 0xFF;

+	ramdacReg->DacRegs[TIDAC_key_red_high] = 0xFF;

+	ramdacReg->DacRegs[TIDAC_key_green_low] = 0xFF;

+	ramdacReg->DacRegs[TIDAC_key_green_high] = 0xFF;

+	ramdacReg->DacRegs[TIDAC_key_blue_low] = 0x00;

+	ramdacReg->DacRegs[TIDAC_key_blue_high] = 0x00;

+	ramdacReg->DacRegs[TIDAC_key_ctrl] = 0x00;

+	ramdacReg->DacRegs[TIDAC_sense_test] = 0x00;

+	ramdacReg->DacRegs[TIDAC_ind_curs_ctrl] = 0x00;

+	break;

+    }

+}

+

+void

+TIramdac3030SetBpp(ScrnInfoPtr pScrn, RamDacRegRecPtr ramdacReg)

+{

+    switch (pScrn->bitsPerPixel) {

+    case 32:

+	/* order is important */

+	ramdacReg->DacRegs[TIDAC_latch_ctrl] = 0x06;

+	ramdacReg->DacRegs[TIDAC_true_color_ctrl] = 0x46;

+	ramdacReg->DacRegs[TIDAC_multiplex_ctrl] = 0x5D;

+	ramdacReg->DacRegs[TIDAC_clock_select] = 0x05;

+	ramdacReg->DacRegs[TIDAC_palette_page] = 0x00;

+	ramdacReg->DacRegs[TIDAC_general_ctrl] = 0x10;

+	ramdacReg->DacRegs[TIDAC_misc_ctrl] = 0x3C;

+	/* 0x2A & 0x2B are reserved */

+	ramdacReg->DacRegs[TIDAC_key_over_low] = 0xFF;

+	ramdacReg->DacRegs[TIDAC_key_over_high] = 0xFF;

+	ramdacReg->DacRegs[TIDAC_key_red_low] = 0xFF;

+	ramdacReg->DacRegs[TIDAC_key_red_high] = 0xFF;

+	ramdacReg->DacRegs[TIDAC_key_green_low] = 0xFF;

+	ramdacReg->DacRegs[TIDAC_key_green_high] = 0xFF;

+	ramdacReg->DacRegs[TIDAC_key_blue_low] = 0xFF;

+	ramdacReg->DacRegs[TIDAC_key_blue_high] = 0x00;

+	ramdacReg->DacRegs[TIDAC_key_ctrl] = 0x10;

+	ramdacReg->DacRegs[TIDAC_sense_test] = 0x00;

+	if (pScrn->overlayFlags & OVERLAY_8_32_PLANAR) {

+	    ramdacReg->DacRegs[TIDAC_true_color_ctrl] = 0x06;

+	    ramdacReg->DacRegs[TIDAC_misc_ctrl] = 0x3C;

+	    ramdacReg->DacRegs[TIDAC_key_ctrl] = 0x01;

+	}

+	ramdacReg->DacRegs[TIDAC_ind_curs_ctrl] = 0x00;

+	break;

+    case 24:

+	/* order is important */

+	ramdacReg->DacRegs[TIDAC_latch_ctrl] = 0x06;

+	ramdacReg->DacRegs[TIDAC_true_color_ctrl] = 0x56;

+	ramdacReg->DacRegs[TIDAC_multiplex_ctrl] = 0x58;

+	ramdacReg->DacRegs[TIDAC_clock_select] = 0x25;

+	ramdacReg->DacRegs[TIDAC_palette_page] = 0x00;

+	ramdacReg->DacRegs[TIDAC_general_ctrl] = 0x00;

+	ramdacReg->DacRegs[TIDAC_misc_ctrl] = 0x2C;

+	/* 0x2A & 0x2B are reserved */

+	ramdacReg->DacRegs[TIDAC_key_over_low] = 0xFF;

+	ramdacReg->DacRegs[TIDAC_key_over_high] = 0xFF;

+	ramdacReg->DacRegs[TIDAC_key_red_low] = 0xFF;

+	ramdacReg->DacRegs[TIDAC_key_red_high] = 0xFF;

+	ramdacReg->DacRegs[TIDAC_key_green_low] = 0xFF;

+	ramdacReg->DacRegs[TIDAC_key_green_high] = 0xFF;

+	ramdacReg->DacRegs[TIDAC_key_blue_low] = 0xFF;

+	ramdacReg->DacRegs[TIDAC_key_blue_high] = 0x00;

+	ramdacReg->DacRegs[TIDAC_key_ctrl] = 0x10;

+	ramdacReg->DacRegs[TIDAC_sense_test] = 0x00;

+	ramdacReg->DacRegs[TIDAC_ind_curs_ctrl] = 0x00;

+	break;

+    case 16:

+	/* order is important */

+#if 0

+	/* Matrox driver uses this */

+	ramdacReg->DacRegs[TIDAC_latch_ctrl] = 0x07;

+#else

+	ramdacReg->DacRegs[TIDAC_latch_ctrl] = 0x06;

+#endif

+	if (pScrn->depth == 16) {

+	    ramdacReg->DacRegs[TIDAC_true_color_ctrl] = 0x45;

+	} else {

+	    ramdacReg->DacRegs[TIDAC_true_color_ctrl] = 0x44;

+	}

+#if 0

+	/* Matrox driver uses this */

+	ramdacReg->DacRegs[TIDAC_multiplex_ctrl] = 0x50;

+	ramdacReg->DacRegs[TIDAC_clock_select] = 0x15;

+	ramdacReg->DacRegs[TIDAC_palette_page] = 0x00;

+	ramdacReg->DacRegs[TIDAC_general_ctrl] = 0x00;

+#else

+	ramdacReg->DacRegs[TIDAC_multiplex_ctrl] = 0x55;

+	ramdacReg->DacRegs[TIDAC_clock_select] = 0x85;

+	ramdacReg->DacRegs[TIDAC_palette_page] = 0x00;

+	ramdacReg->DacRegs[TIDAC_general_ctrl] = 0x10;

+#endif

+	ramdacReg->DacRegs[TIDAC_misc_ctrl] = 0x2C;

+	/* 0x2A & 0x2B are reserved */

+	ramdacReg->DacRegs[TIDAC_key_over_low] = 0xFF;

+	ramdacReg->DacRegs[TIDAC_key_over_high] = 0xFF;

+	ramdacReg->DacRegs[TIDAC_key_red_low] = 0xFF;

+	ramdacReg->DacRegs[TIDAC_key_red_high] = 0xFF;

+	ramdacReg->DacRegs[TIDAC_key_green_low] = 0xFF;

+	ramdacReg->DacRegs[TIDAC_key_green_high] = 0xFF;

+	ramdacReg->DacRegs[TIDAC_key_blue_low] = 0xFF;

+	ramdacReg->DacRegs[TIDAC_key_blue_high] = 0x00;

+	ramdacReg->DacRegs[TIDAC_key_ctrl] = 0x10;

+	ramdacReg->DacRegs[TIDAC_sense_test] = 0x00;

+	ramdacReg->DacRegs[TIDAC_ind_curs_ctrl] = 0x00;

+	break;

+    case 8:

+	/* order is important */

+	ramdacReg->DacRegs[TIDAC_latch_ctrl] = 0x06;

+	ramdacReg->DacRegs[TIDAC_true_color_ctrl] = 0x80;

+	ramdacReg->DacRegs[TIDAC_multiplex_ctrl] = 0x4d;

+	ramdacReg->DacRegs[TIDAC_clock_select] = 0x05;

+	ramdacReg->DacRegs[TIDAC_palette_page] = 0x00;

+	ramdacReg->DacRegs[TIDAC_general_ctrl] = 0x10;

+	ramdacReg->DacRegs[TIDAC_misc_ctrl] = 0x1C;

+	/* 0x2A & 0x2B are reserved */

+	ramdacReg->DacRegs[TIDAC_key_over_low] = 0xFF;

+	ramdacReg->DacRegs[TIDAC_key_over_high] = 0xFF;

+	ramdacReg->DacRegs[TIDAC_key_red_low] = 0xFF;

+	ramdacReg->DacRegs[TIDAC_key_red_high] = 0xFF;

+	ramdacReg->DacRegs[TIDAC_key_green_low] = 0xFF;

+	ramdacReg->DacRegs[TIDAC_key_green_high] = 0xFF;

+	ramdacReg->DacRegs[TIDAC_key_blue_low] = 0x00;

+	ramdacReg->DacRegs[TIDAC_key_blue_high] = 0x00;

+	ramdacReg->DacRegs[TIDAC_key_ctrl] = 0x00;

+	ramdacReg->DacRegs[TIDAC_sense_test] = 0x00;

+	ramdacReg->DacRegs[TIDAC_ind_curs_ctrl] = 0x00;

+	break;

+    }

+}

+

+static void 

+TIramdacShowCursor(ScrnInfoPtr pScrn)

+{

+    RamDacRecPtr ramdacPtr = RAMDACSCRPTR(pScrn);

+

+    /* Enable cursor - X11 mode */

+    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_ind_curs_ctrl, 0, 0x03);

+}

+

+static void

+TIramdacHideCursor(ScrnInfoPtr pScrn)

+{

+    RamDacRecPtr ramdacPtr = RAMDACSCRPTR(pScrn);

+

+    /* Disable cursor - X11 mode */

+    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_ind_curs_ctrl, 0, 0x00);

+}

+

+static void

+TIramdacSetCursorPosition(ScrnInfoPtr pScrn, int x, int y)

+{

+    RamDacRecPtr ramdacPtr = RAMDACSCRPTR(pScrn);

+

+    x += 64;

+    y += 64;

+

+    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_CURS_XLOW,  0, x & 0xff);

+    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_CURS_XHIGH, 0, (x >> 8) & 0x0f);

+    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_CURS_YLOW,  0, y & 0xff);

+    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_CURS_YHIGH, 0, (y >> 8) & 0x0f);

+}

+

+static void

+TIramdacSetCursorColors(ScrnInfoPtr pScrn, int bg, int fg)

+{

+    RamDacRecPtr ramdacPtr = RAMDACSCRPTR(pScrn);

+

+    /* Background color */

+    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_CURS_WRITE_ADDR, 0, 1);

+    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_CURS_COLOR, 0, ((bg&0x00ff0000) >> 16));

+    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_CURS_COLOR, 0, ((bg&0x0000ff00) >>  8));

+    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_CURS_COLOR, 0,  (bg&0x000000ff)       );

+

+    /* Foreground color */

+    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_CURS_WRITE_ADDR, 0, 2);

+    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_CURS_COLOR, 0, ((fg&0x00ff0000) >> 16));

+    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_CURS_COLOR, 0, ((fg&0x0000ff00) >>  8));

+    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_CURS_COLOR, 0,  (fg&0x000000ff)       );

+}

+

+static void 

+TIramdacLoadCursorImage(ScrnInfoPtr pScrn, unsigned char *src)

+{

+    RamDacRecPtr ramdacPtr = RAMDACSCRPTR(pScrn);

+    int i = 1024;

+

+    /* reset A9,A8 */

+    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_ind_curs_ctrl, 0, 0x00); 

+    /* reset cursor RAM load address A7..A0 */

+    (*ramdacPtr->WriteDAC)(pScrn, TIDAC_INDEX, 0x00, 0x00); 

+ 

+    while(i--) {

+	/* NOT_DONE: might need a delay here */

+	(*ramdacPtr->WriteDAC)(pScrn, TIDAC_CURS_RAM_DATA, 0, *(src++));

+    }

+}

+

+static Bool 

+TIramdacUseHWCursor(ScreenPtr pScr, CursorPtr pCurs)

+{

+    return TRUE;

+}

+

+void

+TIramdacHWCursorInit(xf86CursorInfoPtr infoPtr)

+{

+    infoPtr->MaxWidth = 64;

+    infoPtr->MaxHeight = 64;

+    infoPtr->Flags = HARDWARE_CURSOR_BIT_ORDER_MSBFIRST |

+		     HARDWARE_CURSOR_TRUECOLOR_AT_8BPP |

+		     HARDWARE_CURSOR_SOURCE_MASK_NOT_INTERLEAVED;

+    infoPtr->SetCursorColors = TIramdacSetCursorColors;

+    infoPtr->SetCursorPosition = TIramdacSetCursorPosition;

+    infoPtr->LoadCursorImage = TIramdacLoadCursorImage;

+    infoPtr->HideCursor = TIramdacHideCursor;

+    infoPtr->ShowCursor = TIramdacShowCursor;

+    infoPtr->UseHWCursor = TIramdacUseHWCursor;

+}

+

+void TIramdacLoadPalette(

+    ScrnInfoPtr pScrn, 

+    int numColors, 

+    int *indices,

+    LOCO *colors,

+    VisualPtr pVisual

+){

+    RamDacRecPtr hwp = RAMDACSCRPTR(pScrn);

+    int i, index, shift;

+

+    if (pScrn->depth == 16) {

+    for(i = 0; i < numColors; i++) {

+	index = indices[i];

+    	(*hwp->WriteAddress)(pScrn, index << 2);

+	(*hwp->WriteData)(pScrn, colors[index >> 1].red);

+	(*hwp->WriteData)(pScrn, colors[index].green);

+	(*hwp->WriteData)(pScrn, colors[index >> 1].blue);

+

+	if(index <= 31) {

+	    (*hwp->WriteAddress)(pScrn, index << 3);

+	    (*hwp->WriteData)(pScrn, colors[index].red);

+	    (*hwp->WriteData)(pScrn, colors[(index << 1) + 1].green);

+	    (*hwp->WriteData)(pScrn, colors[index].blue);

+	}

+    }

+} else {

+    shift = (pScrn->depth == 15) ? 3 : 0;

+

+    for(i = 0; i < numColors; i++) {

+	index = indices[i];

+    	(*hwp->WriteAddress)(pScrn, index << shift);

+	(*hwp->WriteData)(pScrn, colors[index].red);

+	(*hwp->WriteData)(pScrn, colors[index].green);

+	(*hwp->WriteData)(pScrn, colors[index].blue);

+    }

+}

+}

+

+TIramdacLoadPaletteProc *TIramdacLoadPaletteWeak(void) {

+    return TIramdacLoadPalette;

+}