259 lines
6.6 KiB
C
259 lines
6.6 KiB
C
#include "NuBusFPGADrvr.h"
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/*
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7.1:
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2 Debug: 0x00000009
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1 <20>Debug: 0x00000009
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7.5.3:
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6 Debug: 0x00000008
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112 Debug: 0x0000000a
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32 Debug: 0x0000000c
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14 Debug: 0x0000000d
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3 Debug: 0x0000000e
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4 Debug: 0x00000010
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2 Debug: 0x00000011
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78 Debug: 0x00000012
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1 Debug: 0x00000014
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1 <20>Debug: 0x0000000a
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8.1:
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9 Debug: 0x00000008
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273 Debug: 0x0000000a
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156 Debug: 0x0000000c
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16 Debug: 0x0000000d
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3 Debug: 0x00000010
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3 Debug: 0x00000011
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157 Debug: 0x00000012
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1 Debug: 0x00000014
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2 Debug: 0x00000018
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10 Debug: 0x0000001c
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1 <20>Debug: 0x0000000c
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*/
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OSErr cNuBusFPGAStatus(CntrlParamPtr pb, /* DCtlPtr */ AuxDCEPtr dce)
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{
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NuBusFPGADriverGlobalsHdl dStoreHdl = (NuBusFPGADriverGlobalsHdl)dce->dCtlStorage;
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NuBusFPGADriverGlobalsPtr dStore = *dStoreHdl;
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short ret = -1;
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/* write_reg(dce, GOBOFB_DEBUG, 0xBEEF0002); */
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/* write_reg(dce, GOBOFB_DEBUG, pb->csCode); */
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#if 1
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switch (pb->csCode)
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{
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case -1:
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asm volatile(".word 0xfe16\n");
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break;
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case 0:
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ret = statusErr;
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break;
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/* case 1: */
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/* break; */
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case cscGetMode: /* 2 */
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{
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VDPageInfo *vPInfo = (VDPageInfo *)*(long *)pb->csParam;
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vPInfo->csMode = eightBitMode;
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vPInfo->csPage = 0;
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vPInfo->csBaseAddr = 0;
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ret = noErr;
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}
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break;
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case cscGetEntries: /* 3 */
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/* FIXME: TODO */
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asm volatile(".word 0xfe16\n");
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ret = noErr;
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break;
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case cscGetPageCnt: /* 4 == cscGetPages */
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{
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VDPageInfo *vPInfo = (VDPageInfo *)*(long *)pb->csParam;
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if (vPInfo->csMode != eightBitMode)
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return paramErr;
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vPInfo->csPage = 0;
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ret = noErr;
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}
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asm volatile(".word 0xfe16\n");
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ret = noErr;
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break;
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case cscGetPageBase: /* 5 == cscGetBaseAddr */
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{
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VDPageInfo *vPInfo = (VDPageInfo *)*(long *)pb->csParam;
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if (vPInfo->csPage != 0)
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return paramErr;
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vPInfo->csBaseAddr = 0;
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ret = noErr;
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}
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asm volatile(".word 0xfe16\n");
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ret = noErr;
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break;
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case cscGetGray: /* 6 */
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{
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VDGrayRecord *vGInfo = (VDGrayRecord *)*(long *)pb->csParam;
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vGInfo->csMode = dStore->gray;
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ret = noErr;
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}
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asm volatile(".word 0xfe16\n");
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break;
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case cscGetInterrupt: /* 7 */
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asm volatile(".word 0xfe16\n");
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{
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VDFlagRecord *vdflag = (VDFlagRecord *)*(long *)pb->csParam;
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vdflag->csMode = 1 - dStore->irqen;
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ret = noErr;
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}
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break;
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case cscGetGamma: /* 8 */
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{
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VDGammaRecord *vdgamma = (VDGammaRecord *)*(long *)pb->csParam;
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vdgamma->csGTable = (Ptr)&dStore->gamma;
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ret = noErr;
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}
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break;
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case cscGetDefaultMode: /* 9 */
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{
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VDDefMode *vddefm = (VDDefMode *)*(long *)pb->csParam;
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vddefm->csID = 128;
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ret = noErr;
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}
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break;
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case cscGetCurMode: /* 0xa */
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{
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VDSwitchInfoRec *vdswitch = *(VDSwitchInfoRec **)(long *)pb->csParam;
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vdswitch->csMode = eightBitMode;
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vdswitch->csData = 128;
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vdswitch->csPage = 0;
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vdswitch->csBaseAddr = 0;
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ret = noErr;
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}
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break;
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case cscGetSync: /* 0xb */
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asm volatile(".word 0xfe16\n");
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ret = statusErr;
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break;
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case cscGetConnection: /* 0xc */
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{
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VDDisplayConnectInfoRec *vdconn = *(VDDisplayConnectInfoRec **)(long *)pb->csParam;
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vdconn->csDisplayType = kGenericLCD;
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vdconn->csConnectTaggedType = 0;
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vdconn->csConnectTaggedData = 0;
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vdconn->csConnectFlags = (1<<kTaggingInfoNonStandard) | (1<<kIsMonoDev) | (1<<kAllModesSafe) | (1<<kAllModesValid);
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vdconn->csDisplayComponent = 0;
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ret = noErr;
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}
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break;
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case cscGetModeTiming: /* 0xd */
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{
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VDTimingInfoRec *vdtim = *(VDTimingInfoRec **)(long *)pb->csParam;
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ret = noErr;
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if ((vdtim->csTimingMode != 128) &&
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(vdtim->csTimingMode != kDisplayModeIDFindFirstResolution) &&
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(vdtim->csTimingMode != kDisplayModeIDCurrent))
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return paramErr;
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vdtim->csTimingFormat = kDeclROMtables;
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vdtim->csTimingData = 0;
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vdtim->csTimingFlags = kModeDefault;
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}
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break;
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case cscGetModeBaseAddress: /* 0xe */
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asm volatile(".word 0xfe16\n");
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/* undocumented ??? */
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ret = statusErr;
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break;
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case cscGetPreferredConfiguration: /* 0x10 */
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{
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VDSwitchInfoRec *vdswitch = *(VDSwitchInfoRec **)(long *)pb->csParam;
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vdswitch->csMode = eightBitMode;
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vdswitch->csData = 128;
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ret = noErr;
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}
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break;
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case cscGetNextResolution: /* 0x11 */
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{
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VDResolutionInfoRec *vdres = *(VDResolutionInfoRec **)(long *)pb->csParam;
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switch (vdres->csPreviousDisplayModeID)
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{
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case 128:
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vdres->csDisplayModeID = kDisplayModeIDNoMoreResolutions;
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break;
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case kDisplayModeIDFindFirstResolution:
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case kDisplayModeIDCurrent:
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vdres->csDisplayModeID = 128;
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vdres->csHorizontalPixels = HRES;
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vdres->csVerticalLines = VRES;
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vdres->csRefreshRate = 60 << 16; /* Fixed 16+16 */
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vdres->csMaxDepthMode = kDepthMode1;
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break;
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default:
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return paramErr;
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}
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ret = noErr;
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}
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break;
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case cscGetVideoParameters: /* 0x12 */
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{
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VDVideoParametersInfoRec *vdparam = *(VDVideoParametersInfoRec **)(long *)pb->csParam;
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if ((vdparam->csDisplayModeID != 128) &&
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(vdparam->csDisplayModeID != kDisplayModeIDFindFirstResolution) &&
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(vdparam->csDisplayModeID != kDisplayModeIDCurrent))
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return paramErr;
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if (vdparam->csDepthMode != kDepthMode1)
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return paramErr;
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VPBlock* vpblock = vdparam->csVPBlockPtr;
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/* basically the same as the EBVParms ? */
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vdparam->csPageCount = 0;
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vdparam->csDeviceType = clutType;
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vpblock->vpBaseOffset = 0;
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vpblock->vpRowBytes = HRES;
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vpblock->vpBounds.left = 0;
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vpblock->vpBounds.top = 0;
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vpblock->vpBounds.right = HRES;
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vpblock->vpBounds.bottom = VRES;
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vpblock->vpVersion = 0;
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vpblock->vpPackType = 0;
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vpblock->vpPackSize = 0;
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vpblock->vpHRes = 0x480000;
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vpblock->vpVRes = 0x480000;
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vpblock->vpPixelType = chunky;
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vpblock->vpPixelSize = 8;
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vpblock->vpCmpCount = 1;
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vpblock->vpCmpSize = 8;
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vpblock->vpPlaneBytes = 0;
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ret = noErr;
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}
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break;
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case cscGetGammaInfoList: /* 0x14 */
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ret = statusErr;
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break;
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case cscRetrieveGammaTable: /* 0x17 */
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asm volatile(".word 0xfe16\n");
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ret = statusErr;
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break;
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case cscGetConvolution: /* 0x18 */
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ret = statusErr;
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break;
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case cscGetMultiConnect: /* 0x1c */
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ret = statusErr;
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break;
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default: /* always return statusErr for unknown csCode */
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asm volatile(".word 0xfe16\n");
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ret = statusErr;
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break;
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}
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#endif
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return ret;
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}
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