mirror of
https://github.com/rdolbeau/NuBusFPGA.git
synced 2024-11-19 08:31:46 +00:00
390 lines
12 KiB
C
390 lines
12 KiB
C
#include "NuBusFPGADrvr.h"
|
||
|
||
/*
|
||
7.1:
|
||
2 Debug: 0x00000009
|
||
1 <20>Debug: 0x00000009
|
||
|
||
|
||
7.5.3:
|
||
6 Debug: 0x00000008
|
||
112 Debug: 0x0000000a
|
||
32 Debug: 0x0000000c
|
||
14 Debug: 0x0000000d
|
||
3 Debug: 0x0000000e
|
||
4 Debug: 0x00000010
|
||
2 Debug: 0x00000011
|
||
78 Debug: 0x00000012
|
||
1 Debug: 0x00000014
|
||
1 <20>Debug: 0x0000000a
|
||
|
||
8.1:
|
||
9 Debug: 0x00000008
|
||
273 Debug: 0x0000000a
|
||
156 Debug: 0x0000000c
|
||
16 Debug: 0x0000000d
|
||
3 Debug: 0x00000010
|
||
3 Debug: 0x00000011
|
||
157 Debug: 0x00000012
|
||
1 Debug: 0x00000014
|
||
2 Debug: 0x00000018
|
||
10 Debug: 0x0000001c
|
||
1 <20>Debug: 0x0000000c
|
||
*/
|
||
|
||
|
||
OSErr cNuBusFPGAStatus(CntrlParamPtr pb, /* DCtlPtr */ AuxDCEPtr dce)
|
||
{
|
||
NuBusFPGADriverGlobalsHdl dStoreHdl = (NuBusFPGADriverGlobalsHdl)dce->dCtlStorage;
|
||
NuBusFPGADriverGlobalsPtr dStore = *dStoreHdl;
|
||
short ret = -1;
|
||
|
||
write_reg(dce, GOBOFB_DEBUG, 0xBEEF0002);
|
||
write_reg(dce, GOBOFB_DEBUG, pb->csCode);
|
||
|
||
#if 1
|
||
switch (pb->csCode)
|
||
{
|
||
case -1:
|
||
asm volatile(".word 0xfe16\n");
|
||
break;
|
||
case 0:
|
||
ret = statusErr;
|
||
break;
|
||
/* case 1: */
|
||
/* break; */
|
||
case cscGetMode: /* 2 */
|
||
{
|
||
VDPageInfo *vPInfo = (VDPageInfo *)*(long *)pb->csParam;
|
||
vPInfo->csMode = dStore->curDepth; /* checkme: PCI says depth, 7.5+ doesn't call anyway? */
|
||
vPInfo->csPage = dStore->curPage;
|
||
vPInfo->csBaseAddr = dStore->curPage * 1024 * 1024 * 4; /* fixme */
|
||
ret = noErr;
|
||
}
|
||
break;
|
||
case cscGetEntries: /* 3 */
|
||
/* FIXME: TODO */
|
||
/* never called in >= 7.1 ? */
|
||
asm volatile(".word 0xfe16\n");
|
||
ret = noErr;
|
||
break;
|
||
case cscGetPageCnt: /* 4 == cscGetPages */
|
||
{
|
||
VDPageInfo *vPInfo = (VDPageInfo *)*(long *)pb->csParam;
|
||
if ((vPInfo->csMode != kDepthMode1) &&
|
||
(vPInfo->csMode != kDepthMode2) &&
|
||
(vPInfo->csMode != kDepthMode3) &&
|
||
(vPInfo->csMode != kDepthMode4) &&
|
||
(vPInfo->csMode != kDepthMode5) &&
|
||
(vPInfo->csMode != kDepthMode6))
|
||
return paramErr;
|
||
vPInfo->csPage = (vPInfo->csMode == kDepthMode5) ? 1 : 2;
|
||
ret = noErr;
|
||
}
|
||
break;
|
||
case cscGetPageBase: /* 5 == cscGetBaseAddr */
|
||
{
|
||
VDPageInfo *vPInfo = (VDPageInfo *)*(long *)pb->csParam;
|
||
if ((vPInfo->csMode != kDepthMode1) &&
|
||
(vPInfo->csMode != kDepthMode2) &&
|
||
(vPInfo->csMode != kDepthMode3) &&
|
||
(vPInfo->csMode != kDepthMode4) &&
|
||
(vPInfo->csMode != kDepthMode5) &&
|
||
(vPInfo->csMode != kDepthMode6))
|
||
return paramErr;
|
||
short npage = (vPInfo->csMode == kDepthMode5) ? 1 : 2;
|
||
if (vPInfo->csPage >= npage)
|
||
return paramErr;
|
||
vPInfo->csBaseAddr = vPInfo->csPage * 1024 * 1024 * 4; /* fixme for > 2 pages ? */
|
||
ret = noErr;
|
||
}
|
||
asm volatile(".word 0xfe16\n");
|
||
ret = noErr;
|
||
break;
|
||
case cscGetGray: /* 6 */
|
||
{
|
||
VDGrayRecord *vGInfo = (VDGrayRecord *)*(long *)pb->csParam;
|
||
vGInfo->csMode = dStore->gray;
|
||
ret = noErr;
|
||
}
|
||
asm volatile(".word 0xfe16\n");
|
||
break;
|
||
case cscGetInterrupt: /* 7 */
|
||
asm volatile(".word 0xfe16\n");
|
||
{
|
||
VDFlagRecord *vdflag = (VDFlagRecord *)*(long *)pb->csParam;
|
||
vdflag->csMode = 1 - dStore->irqen;
|
||
ret = noErr;
|
||
}
|
||
break;
|
||
case cscGetGamma: /* 8 */
|
||
{
|
||
VDGammaRecord *vdgamma = (VDGammaRecord *)*(long *)pb->csParam;
|
||
vdgamma->csGTable = (Ptr)&dStore->gamma;
|
||
ret = noErr;
|
||
}
|
||
break;
|
||
case cscGetDefaultMode: /* 9 */
|
||
{ /* obsolete in PCI, not called >= 7.5 */
|
||
VDDefMode *vddefm = (VDDefMode *)*(long *)pb->csParam;
|
||
SpBlock spb;
|
||
NuBusFPGAPramRecord pram;
|
||
OSErr err;
|
||
spb.spSlot = dce->dCtlSlot;
|
||
spb.spResult = (UInt32)&pram;
|
||
ret = SReadPRAMRec(&spb);
|
||
if (ret == noErr) {
|
||
vddefm->csID = pram.mode;
|
||
}
|
||
}
|
||
break;
|
||
|
||
case cscGetCurMode: /* 0xa */
|
||
{
|
||
VDSwitchInfoRec *vdswitch = *(VDSwitchInfoRec **)(long *)pb->csParam;
|
||
/* write_reg(dce, GOBOFB_DEBUG, 0xBEEF0022); */
|
||
/* write_reg(dce, GOBOFB_DEBUG, (unsigned int)dStore->curDepth); */
|
||
/* write_reg(dce, GOBOFB_DEBUG, (unsigned int)dStore->curMode); */
|
||
vdswitch->csMode = dStore->curDepth;
|
||
vdswitch->csData = dStore->curMode;
|
||
vdswitch->csPage = dStore->curPage;
|
||
vdswitch->csBaseAddr = dStore->curPage * 1024 * 1024 * 4; /* fixme */
|
||
ret = noErr;
|
||
}
|
||
break;
|
||
|
||
case cscGetSync: /* 0xb */
|
||
asm volatile(".word 0xfe16\n");
|
||
ret = statusErr;
|
||
break;
|
||
|
||
case cscGetConnection: /* 0xc */
|
||
{
|
||
VDDisplayConnectInfoRec *vdconn = *(VDDisplayConnectInfoRec **)(long *)pb->csParam;
|
||
vdconn->csDisplayType = kGenericLCD;
|
||
vdconn->csConnectTaggedType = 0;
|
||
vdconn->csConnectTaggedData = 0;
|
||
vdconn->csConnectFlags = (1<<kTaggingInfoNonStandard) | (1<<kAllModesSafe) | (1<<kAllModesValid);
|
||
vdconn->csDisplayComponent = 0;
|
||
ret = noErr;
|
||
}
|
||
break;
|
||
|
||
case cscGetModeTiming: /* 0xd */
|
||
{
|
||
VDTimingInfoRec *vdtim = *(VDTimingInfoRec **)(long *)pb->csParam;
|
||
if (((((UInt8)vdtim->csTimingMode) < nativeVidMode) ||
|
||
(((UInt8)vdtim->csTimingMode) > dStore->maxMode)) &&
|
||
(vdtim->csTimingMode != kDisplayModeIDFindFirstResolution) &&
|
||
(vdtim->csTimingMode != kDisplayModeIDCurrent))
|
||
return paramErr;
|
||
unsigned int mode = vdtim->csTimingMode;
|
||
if (mode == kDisplayModeIDFindFirstResolution)
|
||
mode = nativeVidMode;
|
||
if (mode == kDisplayModeIDCurrent)
|
||
mode = dStore->curMode;
|
||
|
||
switch (mode) {
|
||
case nativeVidMode:
|
||
vdtim->csTimingFormat = kDeclROMtables;
|
||
vdtim->csTimingData = 0;
|
||
vdtim->csTimingFlags = 1<<kModeValid | 1<<kModeSafe | 1<<kModeDefault;
|
||
break;
|
||
default:
|
||
vdtim->csTimingFormat = kDeclROMtables;//kDetailedTimingFormat;
|
||
vdtim->csTimingData = 0;
|
||
vdtim->csTimingFlags = 1<<kModeValid | 1<<kModeSafe;
|
||
break;
|
||
}
|
||
ret = noErr;
|
||
}
|
||
break;
|
||
|
||
case cscGetModeBaseAddress: /* 0xe */
|
||
/* undocumented ??? */
|
||
{
|
||
VDBaseAddressInfoRec *vdbase = *(VDBaseAddressInfoRec **)(long *)pb->csParam;
|
||
vdbase->csDevBase = 0;
|
||
ret = noErr;
|
||
}
|
||
ret = noErr;
|
||
break;
|
||
|
||
/* cscGetScanProc */ /* 0xf*/ /* undocumented ? could be called according to #mac68k */
|
||
|
||
case cscGetPreferredConfiguration: /* 0x10 */
|
||
{ /* fixme: NVRAM */
|
||
VDSwitchInfoRec *vdswitch = *(VDSwitchInfoRec **)(long *)pb->csParam;
|
||
vdswitch->csMode = kDepthMode1; //dStore->curDepth; /* fixme: prefered not current / default */
|
||
vdswitch->csData = nativeVidMode; //dStore->curMode;
|
||
ret = noErr;
|
||
SpBlock spb;
|
||
NuBusFPGAPramRecord pram;
|
||
OSErr err;
|
||
spb.spSlot = dce->dCtlSlot;
|
||
spb.spResult = (UInt32)&pram;
|
||
ret = SReadPRAMRec(&spb);
|
||
if (ret == noErr) {
|
||
vdswitch->csMode = pram.depth;
|
||
vdswitch->csData = pram.mode;
|
||
}
|
||
}
|
||
break;
|
||
|
||
case cscGetNextResolution: /* 0x11 */
|
||
{
|
||
VDResolutionInfoRec *vdres = *(VDResolutionInfoRec **)(long *)pb->csParam;
|
||
switch (vdres->csPreviousDisplayModeID)
|
||
{
|
||
default:
|
||
if ((((UInt8)vdres->csPreviousDisplayModeID) < nativeVidMode) ||
|
||
(((UInt8)vdres->csPreviousDisplayModeID) > dStore->maxMode))
|
||
return paramErr;
|
||
if (((UInt8)vdres->csPreviousDisplayModeID) == dStore->maxMode)
|
||
vdres->csDisplayModeID = kDisplayModeIDNoMoreResolutions;
|
||
else
|
||
vdres->csDisplayModeID = ((UInt8)vdres->csPreviousDisplayModeID) + 1;
|
||
vdres->csHorizontalPixels = dStore->hres[((UInt8)vdres->csDisplayModeID) - nativeVidMode];
|
||
vdres->csVerticalLines = dStore->vres[((UInt8)vdres->csDisplayModeID) - nativeVidMode];
|
||
vdres->csRefreshRate = 60 << 16; /* Fixed(Point) 16+16 */
|
||
vdres->csMaxDepthMode = kDepthMode6;
|
||
break;
|
||
case kDisplayModeIDFindFirstResolution:
|
||
vdres->csDisplayModeID = nativeVidMode;
|
||
vdres->csHorizontalPixels = dStore->hres[0];
|
||
vdres->csVerticalLines = dStore->vres[0];
|
||
vdres->csRefreshRate = 60 << 16; /* Fixed(Point) 16+16 */
|
||
vdres->csMaxDepthMode = kDepthMode6;
|
||
break;
|
||
case kDisplayModeIDCurrent:
|
||
vdres->csDisplayModeID = dStore->curMode;
|
||
vdres->csHorizontalPixels = dStore->hres[dStore->curMode - nativeVidMode];
|
||
vdres->csVerticalLines = dStore->vres[dStore->curMode - nativeVidMode];
|
||
vdres->csRefreshRate = 60 << 16; /* Fixed(Point) 16+16 */
|
||
vdres->csMaxDepthMode = kDepthMode6;
|
||
break;
|
||
}
|
||
ret = noErr;
|
||
}
|
||
break;
|
||
|
||
case cscGetVideoParameters: /* 0x12 */
|
||
{
|
||
VDVideoParametersInfoRec *vdparam = *(VDVideoParametersInfoRec **)(long *)pb->csParam;
|
||
if (((((UInt8)vdparam->csDisplayModeID) < nativeVidMode) ||
|
||
(((UInt8)vdparam->csDisplayModeID) > dStore->maxMode)) &&
|
||
(vdparam->csDisplayModeID != kDisplayModeIDFindFirstResolution) &&
|
||
(vdparam->csDisplayModeID != kDisplayModeIDCurrent))
|
||
return paramErr;
|
||
if ((vdparam->csDepthMode != kDepthMode1) &&
|
||
(vdparam->csDepthMode != kDepthMode2) &&
|
||
(vdparam->csDepthMode != kDepthMode3) &&
|
||
(vdparam->csDepthMode != kDepthMode4) &&
|
||
(vdparam->csDepthMode != kDepthMode5) &&
|
||
(vdparam->csDepthMode != kDepthMode6))
|
||
return paramErr;
|
||
/* write_reg(dce, GOBOFB_DEBUG, 0xBEEF0022); */
|
||
/* write_reg(dce, GOBOFB_DEBUG, (unsigned int)vdparam->csDisplayModeID); */
|
||
/* write_reg(dce, GOBOFB_DEBUG, (unsigned int)vdparam->csDepthMode); */
|
||
VPBlock* vpblock = vdparam->csVPBlockPtr;
|
||
unsigned char mode = vdparam->csDisplayModeID;
|
||
if (mode == kDisplayModeIDFindFirstResolution)
|
||
mode = nativeVidMode;
|
||
if (mode == kDisplayModeIDCurrent)
|
||
mode = dStore->curMode;
|
||
/* basically the same as the EBVParms ? */
|
||
vdparam->csPageCount = (vdparam->csDepthMode == kDepthMode5) ? 1 : 2;
|
||
vpblock->vpBaseOffset = 0;
|
||
vpblock->vpBounds.left = 0;
|
||
vpblock->vpBounds.top = 0;
|
||
vpblock->vpBounds.right = dStore->hres[mode - nativeVidMode];
|
||
vpblock->vpBounds.bottom = dStore->vres[mode - nativeVidMode];
|
||
vpblock->vpVersion = 0;
|
||
vpblock->vpPackType = 0;
|
||
vpblock->vpPackSize = 0;
|
||
vpblock->vpHRes = 0x480000;
|
||
vpblock->vpVRes = 0x480000;
|
||
vpblock->vpPixelType = chunky; // checkme?
|
||
if (vdparam->csDepthMode == kDepthMode1) {
|
||
vpblock->vpRowBytes = vpblock->vpBounds.right;
|
||
vdparam->csDeviceType = clutType;
|
||
vpblock->vpPixelSize = 8;
|
||
vpblock->vpCmpCount = 1;
|
||
vpblock->vpCmpSize = 8;
|
||
} else if (vdparam->csDepthMode == kDepthMode2) {
|
||
vpblock->vpRowBytes = vpblock->vpBounds.right/2;
|
||
vdparam->csDeviceType = clutType;
|
||
vpblock->vpPixelSize = 4;
|
||
vpblock->vpCmpCount = 1;
|
||
vpblock->vpCmpSize = 4;
|
||
} else if (vdparam->csDepthMode == kDepthMode3) {
|
||
vpblock->vpRowBytes = vpblock->vpBounds.right/4;
|
||
vdparam->csDeviceType = clutType;
|
||
vpblock->vpPixelSize = 2;
|
||
vpblock->vpCmpCount = 1;
|
||
vpblock->vpCmpSize = 2;
|
||
} else if (vdparam->csDepthMode == kDepthMode4) {
|
||
vpblock->vpRowBytes = vpblock->vpBounds.right/8;
|
||
vdparam->csDeviceType = clutType;
|
||
vpblock->vpPixelSize = 1;
|
||
vpblock->vpCmpCount = 1;
|
||
vpblock->vpCmpSize = 1;
|
||
} else if (vdparam->csDepthMode == kDepthMode5) {
|
||
vpblock->vpRowBytes = vpblock->vpBounds.right*4;
|
||
vdparam->csDeviceType = directType;
|
||
vpblock->vpPixelSize = 32;
|
||
vpblock->vpCmpCount = 3;
|
||
vpblock->vpCmpSize = 8;
|
||
} else if (vdparam->csDepthMode == kDepthMode6) {
|
||
vpblock->vpRowBytes = vpblock->vpBounds.right*2;
|
||
vdparam->csDeviceType = directType;
|
||
vpblock->vpPixelSize = 16;
|
||
vpblock->vpCmpCount = 3;
|
||
vpblock->vpCmpSize = 5;
|
||
}
|
||
vpblock->vpPlaneBytes = 0;
|
||
ret = noErr;
|
||
}
|
||
break;
|
||
|
||
/* 0x13 */ /* nothing */
|
||
|
||
case cscGetGammaInfoList: /* 0x14 */
|
||
ret = statusErr;
|
||
break;
|
||
|
||
case cscRetrieveGammaTable: /* 0x15 */
|
||
asm volatile(".word 0xfe16\n");
|
||
ret = statusErr;
|
||
break;
|
||
|
||
/* cscSupportsHardwareCursor */ /* 0x16 */ /* never called, unfortunately */
|
||
|
||
/* cscGetHardwareCursorDrawState */ /* 0x17 */ /* never called, unfortunately */
|
||
|
||
case cscGetConvolution: /* 0x18 */
|
||
ret = statusErr;
|
||
break;
|
||
|
||
/* cscGetPowerState */ /* 0x19 */
|
||
/* cscPrivateStatusCall */ /* 0x1a */
|
||
/* cscGetDDCBlock */ /* 0x1b */
|
||
|
||
case cscGetMultiConnect: /* 0x1c */
|
||
ret = statusErr;
|
||
break;
|
||
|
||
/* cscGetClutBehavior */ /* 0x1d */
|
||
/* cscGetTimingRanges */ /* 0x1e */
|
||
/* cscGetDetailedTiming */ /* 0x1f */
|
||
/* cscGetCommunicationInfo */ /* 0x20 */
|
||
|
||
default: /* always return statusErr for unknown csCode */
|
||
asm volatile(".word 0xfe16\n");
|
||
ret = statusErr;
|
||
break;
|
||
}
|
||
#endif
|
||
return ret;
|
||
}
|