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/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/mga/mga_dh.c,v 1.4tsi Exp $ */
/*********************************************************************
* G450: This is for Dual Head.
* Matrox Graphics
* Author : Luugi Marsan
**********************************************************************/
/* All drivers should typically include these */
#include "xf86.h"
#include "xf86_OSproc.h"
#include "xf86_ansic.h"
/* Drivers for PCI hardware need this */
#include "xf86PciInfo.h"
/* Drivers that need to access the PCI config space directly need this */
#include "xf86Pci.h"
#include "mga_bios.h"
#include "mga_reg.h"
#include "mga.h"
#define MNP_TABLE_SIZE 64
#define CLKSEL_MGA 0x0c
#define PLLLOCK 0x40
/* CRTC2 control field*/
#define C2_EN_A 0
#define C2_EN_M (1 << C2_EN_A)
#define C2_HIPRILVL_A 4
#define C2_HIPRILVL_M (7 << C2_HIPRILVL_A)
#define C2_MAXHIPRI_A 8
#define C2_MAXHIPRI_M (7 << C2_MAXHIPRI_A)
#define C2CTL_PIXCLKSEL_SHIFT 1L
#define C2CTL_PIXCLKSEL_MASK (3L << C2CTL_PIXCLKSEL_SHIFT)
#define C2CTL_PIXCLKSELH_SHIFT 14L
#define C2CTL_PIXCLKSELH_MASK (1L << C2CTL_PIXCLKSELH_SHIFT)
#define C2CTL_PIXCLKSEL_PCICLK 0L
#define C2CTL_PIXCLKSEL_VDOCLK (1L << C2CTL_PIXCLKSEL_SHIFT)
#define C2CTL_PIXCLKSEL_PIXELPLL (2L << C2CTL_PIXCLKSEL_SHIFT)
#define C2CTL_PIXCLKSEL_VIDEOPLL (3L << C2CTL_PIXCLKSEL_SHIFT)
#define C2CTL_PIXCLKSEL_VDCLK (1L << C2CTL_PIXCLKSELH_SHIFT)
#define C2CTL_PIXCLKSEL_CRISTAL (1L << C2CTL_PIXCLKSEL_SHIFT) | (1L << C2CTL_PIXCLKSELH_SHIFT)
#define C2CTL_PIXCLKSEL_SYSTEMPLL (2L << C2CTL_PIXCLKSEL_SHIFT) | (1L << C2CTL_PIXCLKSELH_SHIFT)
#define C2CTL_PIXCLKDIS_SHIFT 3L
#define C2CTL_PIXCLKDIS_MASK (1L << C2CTL_PIXCLKDIS_SHIFT)
#define C2CTL_PIXCLKDIS_DISABLE (1L << C2CTL_PIXCLKDIS_SHIFT)
#define C2CTL_CRTCDACSEL_SHIFT 20L
#define C2CTL_CRTCDACSEL_MASK (1L << C2CTL_CRTCDACSEL_SHIFT)
#define C2CTL_CRTCDACSEL_CRTC1 0
#define C2CTL_CRTCDACSEL_CRTC2 (1L << C2CTL_CRTCDACSEL_SHIFT)
/* Misc field*/
#define IOADDSEL 0x01
#define RAMMAPEN 0x02
#define CLKSEL_25175 0x00
#define CLKSEL_28322 0x04
#define CLKSEL_MGA 0x0c
#define VIDEODIS 0x10
#define HPGODDEV 0x20
#define HSYNCPOL 0x40
#define VSYNCPOL 0x80
/* XSYNCCTRL field */
#define XSYNCCTRL_DAC1HSPOL_SHIFT 2
#define XSYNCCTRL_DAC1HSPOL_MASK (1 << XSYNCCTRL_DAC1HSPOL_SHIFT)
#define XSYNCCTRL_DAC1HSPOL_NEG (1 << XSYNCCTRL_DAC1HSPOL_SHIFT)
#define XSYNCCTRL_DAC1HSPOL_POS 0
#define XSYNCCTRL_DAC1VSPOL_SHIFT 3
#define XSYNCCTRL_DAC1VSPOL_MASK (1 << XSYNCCTRL_DAC1VSPOL_SHIFT)
#define XSYNCCTRL_DAC1VSPOL_NEG (1 << XSYNCCTRL_DAC1VSPOL_SHIFT)
#define XSYNCCTRL_DAC1VSPOL_POS 0
#define XSYNCCTRL_DAC2HSPOL_SHIFT 6
#define XSYNCCTRL_DAC2HSPOL_MASK (1 << XSYNCCTRL_DAC2HSPOL_SHIFT)
#define XSYNCCTRL_DAC2HSPOL_NEG (1 << XSYNCCTRL_DAC2HSPOL_SHIFT)
#define XSYNCCTRL_DAC2HSPOL_POS 0
#define XSYNCCTRL_DAC2VSPOL_SHIFT 7
#define XSYNCCTRL_DAC2VSPOL_MASK (1 << XSYNCCTRL_DAC2VSPOL_SHIFT)
#define XSYNCCTRL_DAC2VSPOL_NEG (1 << XSYNCCTRL_DAC2VSPOL_SHIFT)
#define XSYNCCTRL_DAC2VSPOL_POS 0
#define XSYNCCTRL_DAC1HSOFF_SHIFT 0
#define XSYNCCTRL_DAC1HSOFF_MASK (1 << XSYNCCTRL_DAC1HSOFF_SHIFT)
#define XSYNCCTRL_DAC1HSOFF_OFF (1 << XSYNCCTRL_DAC1HSOFF_SHIFT)
#define XSYNCCTRL_DAC1HSOFF_ON 1
#define XSYNCCTRL_DAC1VSOFF_SHIFT 1
#define XSYNCCTRL_DAC1VSOFF_MASK (1 << XSYNCCTRL_DAC1VSOFF_SHIFT)
#define XSYNCCTRL_DAC1VSOFF_OFF (1 << XSYNCCTRL_DAC1VSOFF_SHIFT)
#define XSYNCCTRL_DAC1VSOFF_ON 0
#define XSYNCCTRL_DAC2HSOFF_SHIFT 4
#define XSYNCCTRL_DAC2HSOFF_MASK (1 << XSYNCCTRL_DAC2HSOFF_SHIFT)
#define XSYNCCTRL_DAC2HSOFF_OFF (1 << XSYNCCTRL_DAC2HSOFF_SHIFT)
#define XSYNCCTRL_DAC2HSOFF_ON 0
#define XSYNCCTRL_DAC2VSOFF_SHIFT 5
#define XSYNCCTRL_DAC2VSOFF_MASK (1 << XSYNCCTRL_DAC2VSOFF_SHIFT)
#define XSYNCCTRL_DAC2VSOFF_OFF (1 << XSYNCCTRL_DAC2VSOFF_SHIFT)
#define XSYNCCTRL_DAC2VSOFF_ON 0
/* XDISPCTRL field */
#define XDISPCTRL_DAC1OUTSEL_SHIFT 0L
#define XDISPCTRL_DAC1OUTSEL_MASK 1L
#define XDISPCTRL_DAC1OUTSEL_DIS 0L
#define XDISPCTRL_DAC1OUTSEL_EN 1L
#define XDISPCTRL_DAC2OUTSEL_SHIFT 2L
#define XDISPCTRL_DAC2OUTSEL_MASK (3L << XDISPCTRL_DAC2OUTSEL_SHIFT)
#define XDISPCTRL_DAC2OUTSEL_DIS 0L
#define XDISPCTRL_DAC2OUTSEL_CRTC1 (1L << XDISPCTRL_DAC2OUTSEL_SHIFT)
#define XDISPCTRL_DAC2OUTSEL_CRTC2 (2L << XDISPCTRL_DAC2OUTSEL_SHIFT)
#define XDISPCTRL_DAC2OUTSEL_TVE (3L << XDISPCTRL_DAC2OUTSEL_SHIFT)
#define XDISPCTRL_PANOUTSEL_SHIFT 5L
#define XDISPCTRL_PANOUTSEL_MASK (3L << XDISPCTRL_PANOUTSEL_SHIFT)
#define XDISPCTRL_PANOUTSEL_DIS 0L
#define XDISPCTRL_PANOUTSEL_CRTC1 (1L << XDISPCTRL_PANOUTSEL_SHIFT)
#define XDISPCTRL_PANOUTSEL_CRTC2RGB (2L << XDISPCTRL_PANOUTSEL_SHIFT)
#define XDISPCTRL_PANOUTSEL_CRTC2656 (3L << XDISPCTRL_PANOUTSEL_SHIFT)
/* XPWRCTRL field*/
#define XPWRCTRL_DAC2PDN_SHIFT 0
#define XPWRCTRL_DAC2PDN_MASK (1 << XPWRCTRL_DAC2PDN_SHIFT)
#define XPWRCTRL_VIDPLLPDN_SHIFT 1
#define XPWRCTRL_VIDPLLPDN_MASK (1 << XPWRCTRL_VIDPLLPDN_SHIFT)
#define XPWRCTRL_PANPDN_SHIFT 2
#define XPWRCTRL_PANPDN_MASK (1 << XPWRCTRL_PANPDN_SHIFT)
#define XPWRCTRL_RFIFOPDN_SHIFT 3
#define XPWRCTRL_RFIFOPDN_MASK (1 << XPWRCTRL_RFIFOPDN_SHIFT)
#define XPWRCTRL_CFIFOPDN_SHIFT 4
#define XPWRCTRL_CFIFOPDN_MASK (1 << XPWRCTRL_CFIFOPDN_SHIFT)
#define POS_HSYNC 0x00000004
#define POS_VSYNC 0x00000008
/* Set CRTC 2*/
/* Uses the mode given by xfree86 to setup the registry */
/* Does not write to the hard yet */
void MGACRTC2Get(ScrnInfoPtr pScrn, xMODEINFO *pModeInfo)
{
MGAPtr pMga = MGAPTR(pScrn);
MGARegPtr pReg = &pMga->ModeReg;
xMODEINFO tmpModeInfo;
CARD32 ulHTotal;
CARD32 ulHDispEnd;
CARD32 ulHBlkStr;
CARD32 ulHSyncStr;
CARD32 ulHSyncEnd;
CARD32 ulVTotal;
CARD32 ulVDispEnd;
CARD32 ulVBlkStr;
CARD32 ulVSyncStr;
CARD32 ulVSyncEnd;
CARD32 ulOffset;
CARD32 ulCtl2;
CARD32 ulDataCtl2;
CARD32 ulDispHeight = pModeInfo->ulDispHeight;
#ifdef DEBUG
ErrorF("ENTER MGACRTC2Get\n");
#endif
tmpModeInfo = *pModeInfo;
/* First compute the Values */
ulHTotal = tmpModeInfo.ulDispWidth +
tmpModeInfo.ulHFPorch +
tmpModeInfo.ulHBPorch +
tmpModeInfo.ulHSync;
ulHDispEnd = tmpModeInfo.ulDispWidth;
ulHBlkStr = ulHDispEnd;
ulHSyncStr = ulHBlkStr + tmpModeInfo.ulHFPorch;
ulHSyncEnd = ulHSyncStr + tmpModeInfo.ulHSync;
ulVTotal = ulDispHeight +
tmpModeInfo.ulVFPorch +
tmpModeInfo.ulVBPorch +
tmpModeInfo.ulVSync;
ulVDispEnd = ulDispHeight;
ulVBlkStr = ulVDispEnd;
ulVSyncStr = ulVBlkStr + tmpModeInfo.ulVFPorch;
ulVSyncEnd = ulVSyncStr + tmpModeInfo.ulVSync;
ulOffset = tmpModeInfo.ulFBPitch;
ulCtl2 = INREG(MGAREG_C2CTL);
ulDataCtl2 = INREG(MGAREG_C2DATACTL);
ulCtl2 &= 0xFF1FFFFF;
ulDataCtl2 &= 0xFFFFFF00;
switch (tmpModeInfo.ulBpp)
{
case 15: ulCtl2 |= 0x00200000;
ulOffset <<= 1;
break;
case 16: ulCtl2 |= 0x00400000;
ulOffset <<= 1;
break;
case 32: ulCtl2 |= 0x00800000;
ulOffset <<= 2;
break;
}
pReg->crtc2[ MGAREG2_C2CTL ] = ulCtl2;
pReg->crtc2[ MGAREG2_C2DATACTL ] = ulDataCtl2;
/* Horizontal Value*/
pReg->crtc2[MGAREG2_C2HPARAM] = (((ulHDispEnd-8) << 16) | (ulHTotal-8)) ;
pReg->crtc2[MGAREG2_C2HSYNC] = (((ulHSyncEnd-8) << 16) | (ulHSyncStr-8)) ;
/*Vertical Value*/
pReg->crtc2[MGAREG2_C2VPARAM] = (((ulVDispEnd-1) << 16) | (ulVTotal-1)) ;
pReg->crtc2[MGAREG2_C2VSYNC] = (((ulVSyncEnd-1) << 16) | (ulVSyncStr-1)) ;
/** Offset value*/
pReg->crtc2[MGAREG2_C2OFFSET] = ulOffset;
#ifdef DEBUG
ErrorF("EXIT MGACRTC2Get\n");
#endif
}
/* Set CRTC 2*/
/* Writes to the hardware */
void MGACRTC2Set(ScrnInfoPtr pScrn, xMODEINFO *pModeInfo)
{
MGAPtr pMga = MGAPTR(pScrn);
MGARegPtr pReg = &pMga->ModeReg;
#ifdef DEBUG
ErrorF("ENTER MGACRTC2Set\n");
#endif
/* This writes to the registers manually */
OUTREG(MGAREG_C2CTL, pReg->crtc2[MGAREG2_C2CTL]);
OUTREG(MGAREG_C2DATACTL,pReg->crtc2[MGAREG2_C2DATACTL]);
/* Horizontal Value*/
OUTREG(MGAREG_C2HPARAM, pReg->crtc2[MGAREG2_C2HPARAM]);
OUTREG(MGAREG_C2HSYNC, pReg->crtc2[MGAREG2_C2HSYNC]);
/*Vertical Value*/
OUTREG(MGAREG_C2VPARAM, pReg->crtc2[MGAREG2_C2VPARAM]);
OUTREG(MGAREG_C2VSYNC, pReg->crtc2[MGAREG2_C2VSYNC]);
/** Offset value*/
OUTREG(MGAREG_C2OFFSET, pReg->crtc2[MGAREG2_C2VSYNC]);
#ifdef DEBUG
ErrorF("EXIT MGACRTC2Set\n");
#endif
}
/* Set CRTC2 on the right output */
void MGAEnableSecondOutPut(ScrnInfoPtr pScrn, xMODEINFO *pModeInfo)
{
CARD8 ucByte, ucXDispCtrl;
CARD32 ulC2CTL;
MGAPtr pMga = MGAPTR(pScrn);
MGARegPtr pReg;
pReg = &pMga->ModeReg;
#ifdef DEBUG
ErrorF("ENTER MGAEnableSecondOutPut\n");
#endif
/* Route Video PLL on second CRTC */
ulC2CTL = INREG( MGAREG_C2CTL);
/*--- Disable Pixel clock oscillations On Crtc1 */
OUTREG( MGAREG_C2CTL, ulC2CTL | C2CTL_PIXCLKDIS_MASK);
/*--- Have to wait minimum time (2 acces will be ok) */
(void) INREG( MGAREG_Status);
(void) INREG( MGAREG_Status);
ulC2CTL &= ~(C2CTL_PIXCLKSEL_MASK | C2CTL_PIXCLKSELH_MASK);
ulC2CTL |= C2CTL_PIXCLKSEL_VIDEOPLL;
OUTREG( MGAREG_C2CTL, ulC2CTL);
/*--- Enable Pixel clock oscillations on CRTC2*/
OUTREG( MGAREG_C2CTL, ulC2CTL & ~C2CTL_PIXCLKDIS_MASK);
/* We don't use MISC synch pol, must be 0*/
ucByte = inMGAdreg( MGAREG_MISC_READ);
OUTREG8(MGAREG_MISC_WRITE, (CARD8)(ucByte & ~(HSYNCPOL| VSYNCPOL) ));
/* Set Rset to 0.7 V*/
ucByte = inMGAdac(MGA1064_GEN_IO_CTL);
ucByte &= ~0x40;
pReg->DacRegs[MGA1064_GEN_IO_CTL] = ucByte;
outMGAdac (MGA1064_GEN_IO_CTL, ucByte);
ucByte = inMGAdac( MGA1064_GEN_IO_DATA);
ucByte &= ~0x40;
pReg->DacRegs[MGA1064_GEN_IO_DATA]= ucByte;
outMGAdac (MGA1064_GEN_IO_DATA, ucByte);
/* Since G550 can swap outputs at BIOS initialisation, we must check which
* DAC is 'logically' used as the secondary (don't assume its DAC2 anymore) */
ulC2CTL = INREG(MGAREG_C2CTL);
ucXDispCtrl = inMGAdac(MGA1064_DISP_CTL);
ucXDispCtrl &= ~XDISPCTRL_DAC2OUTSEL_MASK;
ucXDispCtrl |= XDISPCTRL_DAC2OUTSEL_CRTC2;
if (!pMga->SecondOutput) {
/* Route Crtc2 on Output1 */
ucXDispCtrl &= ~XDISPCTRL_DAC2OUTSEL_MASK;
ucXDispCtrl |= XDISPCTRL_DAC2OUTSEL_CRTC1;
ulC2CTL |= C2CTL_CRTCDACSEL_CRTC2;
}
else {
/* Route Crtc2 on Output2*/
ucXDispCtrl &= ~XDISPCTRL_DAC2OUTSEL_MASK;
ucXDispCtrl |= XDISPCTRL_DAC2OUTSEL_CRTC2;
ulC2CTL &= ~C2CTL_CRTCDACSEL_MASK;
}
/* Enable CRTC2*/
ulC2CTL |= C2_EN_M;
pReg->dac2[ MGA1064_DISP_CTL - 0x80] = ucXDispCtrl;
OUTREG( MGAREG_C2CTL, ulC2CTL);
/* Set DAC2 Synch polarity*/
ucByte = inMGAdac( MGA1064_SYNC_CTL);
ucByte &= ~(XSYNCCTRL_DAC2HSPOL_MASK | XSYNCCTRL_DAC2VSPOL_MASK);
if ( !(pModeInfo->flSignalMode & POS_HSYNC) )
{
ucByte |= XSYNCCTRL_DAC2HSPOL_NEG;
}
if ( !(pModeInfo->flSignalMode & POS_VSYNC) )
{
ucByte |= XSYNCCTRL_DAC2VSPOL_NEG;
}
/* Enable synch output*/
ucByte &= ~(XSYNCCTRL_DAC2HSOFF_MASK | XSYNCCTRL_DAC2VSOFF_MASK);
pReg->dac2[ MGA1064_SYNC_CTL - 0x80] = ucByte;
/* Powerup DAC2*/
ucByte = inMGAdac( MGA1064_PWR_CTL);
pReg->dac2[ MGA1064_PWR_CTL - 0x80] = /* 0x0b; */ (ucByte | XPWRCTRL_DAC2PDN_MASK);
/* Power up Fifo*/
ucByte = inMGAdac( MGA1064_PWR_CTL);
pReg->dac2[ MGA1064_PWR_CTL - 0x80] = 0x1b; /* (ucByte | XPWRCTRL_CFIFOPDN_MASK) */;
#ifdef DEBUG
ErrorF("EXIT MGAEnableSecondOutPut\n");
#endif
}
void MGACRTC2GetPitch (ScrnInfoPtr pScrn, xMODEINFO *pModeInfo)
{
CARD32 ulOffset;
MGAPtr pMga = MGAPTR(pScrn);
MGARegPtr pReg;
pReg = &pMga->ModeReg;
#ifdef DEBUG
ErrorF("ENTER MGACRTC2GetPitch\n");
#endif
switch(pModeInfo->ulBpp)
{
case 15:
case 16:
ulOffset = pModeInfo->ulFBPitch * 2;
break;
case 32:
ulOffset = pModeInfo->ulFBPitch * 4;
break;
default: /* Muffle compiler */
ulOffset = pModeInfo->ulFBPitch;
break;
}
pReg->crtc2[MGAREG2_C2OFFSET] = ulOffset;
#ifdef DEBUG
ErrorF("EXIT MGACRTC2GetPitch\n");
#endif
}
void MGACRTC2SetPitch (ScrnInfoPtr pScrn, xMODEINFO *pModeInfo)
{
MGAPtr pMga = MGAPTR(pScrn);
MGARegPtr pReg;
pReg = &pMga->ModeReg;
#ifdef DEBUG
ErrorF("ENTER CRCT2SetPitch\n");
#endif
OUTREG(MGAREG_C2OFFSET, pReg->crtc2[MGAREG2_C2OFFSET]);
#ifdef DEBUG
ErrorF("EXIT CRCT2SetPitch\n");
#endif
}
/* Set Display Start*/
/* base in bytes*/
void MGACRTC2GetDisplayStart (ScrnInfoPtr pScrn, xMODEINFO *pModeInfo, CARD32 base, CARD32 ulX, CARD32 ulY)
{
CARD32 ulAddress;
MGAPtr pMga = MGAPTR(pScrn);
MGARegPtr pReg;
pReg = &pMga->ModeReg;
#ifdef DEBUG
ErrorF("ENTER MGACRTC2GetDisplayStart\n");
#endif
pReg = &pMga->ModeReg;
ulAddress = (pModeInfo->ulFBPitch * ulY + ulX);
switch(pModeInfo->ulBpp)
{
case 15:
case 16:
ulAddress <<= 1;
break;
case 32:
ulAddress <<= 2;
break;
}
pReg->crtc2[MGAREG2_C2STARTADD0] = ulAddress + base;
#ifdef DEBUG
ErrorF("EXIT MGACRTC2GetDisplayStart\n");
#endif
}
void MGACRTC2SetDisplayStart (ScrnInfoPtr pScrn, xMODEINFO *pModeInfo, CARD32 base, CARD32 ulX, CARD32 ulY)
{
MGAPtr pMga = MGAPTR(pScrn);
MGARegPtr pReg;
pReg = &pMga->ModeReg;
#ifdef DEBUG
ErrorF("ENTER MGACRTC2SetDisplayStart\n");
#endif
OUTREG(MGAREG2_C2STARTADD0, pReg->crtc2[MGAREG2_C2STARTADD0]);
#ifdef DEBUG
ErrorF("EXIT MGACRTC2GetDisplayStart\n");
#endif
}
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