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/*
* Id: newport_regs.c,v 1.3 2000/11/29 20:58:10 agx Exp $
*/
/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/newport/newport_regs.c,v 1.7 2002/12/10 04:03:00 dawes Exp $ */
#include "newport.h"
static void NewportXmap9FifoWait(NewportRegsPtr pNewportRegs, unsigned long xmapChip);
void
NewportVc2Set(NewportRegsPtr pNewportRegs, unsigned char vc2Ireg, unsigned short val)
{
pNewportRegs->set.dcbmode = (NPORT_DMODE_AVC2 | VC2_REGADDR_INDEX | NPORT_DMODE_W3 |
NPORT_DMODE_ECINC | VC2_PROTOCOL);
pNewportRegs->set.dcbdata0.all = (vc2Ireg << 24) | (val << 8);
}
unsigned short
NewportVc2Get(NewportRegsPtr pNewportRegs, unsigned char vc2Ireg)
{
pNewportRegs->set.dcbmode = (NPORT_DMODE_AVC2 | VC2_REGADDR_INDEX | NPORT_DMODE_W1 |
NPORT_DMODE_ECINC | VC2_PROTOCOL);
pNewportRegs->set.dcbdata0.bytes.b3 = vc2Ireg;
pNewportRegs->set.dcbmode = (NPORT_DMODE_AVC2 | VC2_REGADDR_IREG | NPORT_DMODE_W2 |
NPORT_DMODE_ECINC | VC2_PROTOCOL);
return pNewportRegs->set.dcbdata0.hwords.s1;
}
void
NewportBackupVc2( ScrnInfoPtr pScrn)
{
NewportPtr pNewport = NEWPORTPTR(pScrn);
NewportRegsPtr pNewportRegs = NEWPORTREGSPTR(pScrn);
pNewport->txt_vc2ctrl = NewportVc2Get( pNewportRegs, VC2_IREG_CONTROL );
pNewport->txt_vc2cur_x = NewportVc2Get( pNewportRegs, VC2_IREG_CURSX );
pNewport->txt_vc2cur_y = NewportVc2Get( pNewportRegs, VC2_IREG_CURSY );
}
void
NewportRestoreVc2( ScrnInfoPtr pScrn)
{
NewportPtr pNewport = NEWPORTPTR(pScrn);
NewportRegsPtr pNewportRegs = NEWPORTREGSPTR(pScrn);
NewportVc2Set( pNewportRegs, VC2_IREG_CONTROL, pNewport->txt_vc2ctrl );
NewportVc2Set( pNewportRegs, VC2_IREG_CURSX, pNewport->txt_vc2cur_x );
NewportVc2Set( pNewportRegs, VC2_IREG_CURSY, pNewport->txt_vc2cur_y );
}
void
NewportRestoreVc2Cursor( ScrnInfoPtr pScrn)
{
NewportPtr pNewport = NEWPORTPTR(pScrn);
NewportLoadCursorImage( pScrn, (CARD8*)pNewport->txt_vc2cur_data);
}
void
NewportBackupVc2Cursor( ScrnInfoPtr pScrn)
{
int i;
CARD16 tmp, *data;
NewportPtr pNewport = NEWPORTPTR(pScrn);
NewportRegsPtr pNewportRegs = NEWPORTREGSPTR(pScrn);
data = (CARD16*)pNewport->txt_vc2cur_data;
/* address of cursor data in vc2's ram */
tmp = NewportVc2Get( pNewportRegs, VC2_IREG_CENTRY);
/* this is where we want to write to: */
NewportVc2Set( pNewportRegs, VC2_IREG_RADDR, tmp);
pNewportRegs->set.dcbmode = (NPORT_DMODE_AVC2 | VC2_REGADDR_RAM |
NPORT_DMODE_W2 | VC2_PROTOCOL);
/* read cursor data */
for (i = 0; i < 128; i++) {
NewportBfwait(pNewportRegs);
*data = pNewportRegs->set.dcbdata0.hwords.s1;
data++;
}
}
/* Sometimes we just have to wait until we can do anything */
void
NewportWait(NewportRegsPtr pNewportRegs)
{
while(1)
if(!(pNewportRegs->cset.stat & NPORT_STAT_GBUSY))
break;
}
void
NewportBfwait(NewportRegsPtr pNewportRegs)
{
while(1)
if(!(pNewportRegs->cset.stat & NPORT_STAT_BBUSY))
break;
}
/* wait til an entry in the Xmap9's Mode Fifo is free (xmapChip = DCB_XMAP0 | DCB_XMAP1) */
static void
NewportXmap9FifoWait(NewportRegsPtr pNewportRegs, unsigned long xmapChip)
{
while(1) {
NewportBfwait( pNewportRegs);
pNewportRegs->set.dcbmode = (xmapChip | R_DCB_XMAP9_PROTOCOL |
XM9_CRS_FIFO_AVAIL | NPORT_DMODE_W1);
if( (pNewportRegs->set.dcbdata0.bytes.b3) & 7 )
break;
}
}
void
NewportXmap9SetModeRegister(NewportRegsPtr pNewportRegs, CARD8 address, CARD32 mode)
{
NewportXmap9FifoWait( pNewportRegs, DCB_XMAP0);
NewportXmap9FifoWait( pNewportRegs, DCB_XMAP1);
pNewportRegs->set.dcbmode = (DCB_XMAP_ALL | W_DCB_XMAP9_PROTOCOL |
XM9_CRS_MODE_REG_DATA | NPORT_DMODE_W4 );
pNewportRegs->set.dcbdata0.all = (address << 24) | ( mode & 0xffffff );
}
CARD32
NewportXmap9GetModeRegister(NewportRegsPtr pNewportRegs, unsigned chip, CARD8 address)
{
CARD32 dcbaddr, i, val, mode = 0;
CARD8 index = ( address << 2 );
if(chip)
dcbaddr = DCB_XMAP1;
else
dcbaddr = DCB_XMAP0;
/* we have to read one byte at at time */
for( i = 0; i < 4; i++ ) {
NewportXmap9FifoWait( pNewportRegs, dcbaddr);
pNewportRegs->set.dcbmode = ( dcbaddr | W_DCB_XMAP9_PROTOCOL |
XM9_CRS_MODE_REG_INDEX | NPORT_DMODE_W1 );
pNewportRegs->set.dcbdata0.bytes.b3 = (index | i);
pNewportRegs->set.dcbmode = ( dcbaddr | W_DCB_XMAP9_PROTOCOL |
XM9_CRS_MODE_REG_DATA | NPORT_DMODE_W1 );
val = pNewportRegs->set.dcbdata0.bytes.b3;
mode |= (val << ( i * 8 ) );
}
return mode;
}
void
NewportBackupRex3( ScrnInfoPtr pScrn)
{
NewportPtr pNewport = NEWPORTPTR(pScrn);
NewportRegsPtr pNewportRegs = NEWPORTREGSPTR(pScrn);
pNewport->txt_drawmode0 = pNewportRegs->set.drawmode0;
pNewport->txt_drawmode1 = pNewportRegs->set.drawmode1;
pNewport->txt_wrmask = pNewportRegs->set.wrmask;
pNewport->txt_smask1x = pNewportRegs->cset.smask1x;
pNewport->txt_smask1y = pNewportRegs->cset.smask1y;
pNewport->txt_smask2x = pNewportRegs->cset.smask2x;
pNewport->txt_smask2y = pNewportRegs->cset.smask2y;
pNewport->txt_clipmode = pNewportRegs->cset.clipmode;
}
void
NewportRestoreRex3( ScrnInfoPtr pScrn)
{
NewportPtr pNewport = NEWPORTPTR(pScrn);
NewportRegsPtr pNewportRegs = NEWPORTREGSPTR(pScrn);
pNewportRegs->set.drawmode0 = pNewport->txt_drawmode0;
pNewportRegs->set.drawmode1 = pNewport->txt_drawmode1;
pNewportRegs->set.wrmask = pNewport->txt_wrmask;
pNewportRegs->cset.smask1x = pNewport->txt_smask1x;
pNewportRegs->cset.smask1y = pNewport->txt_smask1y;
pNewportRegs->cset.smask2x = pNewport->txt_smask2x;
pNewportRegs->cset.smask2y = pNewport->txt_smask2y;
pNewportRegs->cset.clipmode = pNewport->txt_clipmode;
}
void NewportBackupXmap9s( ScrnInfoPtr pScrn)
{
NewportPtr pNewport = NEWPORTPTR(pScrn);
NewportRegsPtr pNewportRegs = NEWPORTREGSPTR(pScrn);
NewportBfwait(pNewport->pNewportRegs);
/* config of xmap0 */
pNewportRegs->set.dcbmode = (DCB_XMAP0 | R_DCB_XMAP9_PROTOCOL |
XM9_CRS_CONFIG | NPORT_DMODE_W1 );
pNewport->txt_xmap9_cfg0 = pNewportRegs->set.dcbdata0.bytes.b3;
NewportBfwait(pNewport->pNewportRegs);
/* config of xmap1 */
pNewportRegs->set.dcbmode = (DCB_XMAP1 | R_DCB_XMAP9_PROTOCOL |
XM9_CRS_CONFIG | NPORT_DMODE_W1 );
pNewport->txt_xmap9_cfg1 = pNewportRegs->set.dcbdata0.bytes.b3;
NewportBfwait(pNewport->pNewportRegs);
/* mode index register of xmap0 */
pNewportRegs->set.dcbmode = (DCB_XMAP0 | R_DCB_XMAP9_PROTOCOL |
XM9_CRS_MODE_REG_INDEX | NPORT_DMODE_W1 );
pNewport->txt_xmap9_mi = pNewportRegs->set.dcbdata0.bytes.b3;
/* mode register 0 of xmap 0 */
pNewport->txt_xmap9_mod0 = NewportXmap9GetModeRegister(pNewportRegs, 0, 0);
/* cursor cmap msb */
pNewportRegs->set.dcbmode = (DCB_XMAP0 | R_DCB_XMAP9_PROTOCOL |
XM9_CRS_CURS_CMAP_MSB | NPORT_DMODE_W1 );
pNewport->txt_xmap9_ccmsb = pNewportRegs->set.dcbdata0.bytes.b3;
}
void NewportRestoreXmap9s( ScrnInfoPtr pScrn)
{
NewportPtr pNewport = NEWPORTPTR(pScrn);
NewportRegsPtr pNewportRegs = NEWPORTREGSPTR(pScrn);
/* mode register 0 */
NewportXmap9SetModeRegister( pNewportRegs , 0, pNewport->txt_xmap9_mod0 );
NewportBfwait(pNewport->pNewportRegs);
/* mode index register */
pNewportRegs->set.dcbmode = (DCB_XMAP_ALL | W_DCB_XMAP9_PROTOCOL |
XM9_CRS_MODE_REG_INDEX | NPORT_DMODE_W1 );
pNewportRegs->set.dcbdata0.bytes.b3 = pNewport->txt_xmap9_mi;
NewportBfwait(pNewport->pNewportRegs);
/* cfg xmap0 */
pNewportRegs->set.dcbmode = (DCB_XMAP0 | W_DCB_XMAP9_PROTOCOL |
XM9_CRS_CONFIG | NPORT_DMODE_W1 );
pNewportRegs->set.dcbdata0.bytes.b3 = pNewport->txt_xmap9_cfg0;
NewportBfwait(pNewport->pNewportRegs);
/* cfg xmap1 */
pNewportRegs->set.dcbmode = (DCB_XMAP1 | W_DCB_XMAP9_PROTOCOL |
XM9_CRS_CONFIG | NPORT_DMODE_W1 );
pNewportRegs->set.dcbdata0.bytes.b3 = pNewport->txt_xmap9_cfg1;
/* cursor cmap msb */
pNewportRegs->set.dcbmode = (DCB_XMAP0 | R_DCB_XMAP9_PROTOCOL |
XM9_CRS_CURS_CMAP_MSB | NPORT_DMODE_W1 );
pNewportRegs->set.dcbdata0.bytes.b3 = pNewport->txt_xmap9_ccmsb;
}
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