diff options
| -rw-r--r-- | hw/xfree86/vbe/vbe.c | 70 | ||||
| -rw-r--r-- | hw/xfree86/vbe/vbe.h | 16 |
2 files changed, 86 insertions, 0 deletions
diff --git a/hw/xfree86/vbe/vbe.c b/hw/xfree86/vbe/vbe.c index 3ca985167..06559bbd5 100644 --- a/hw/xfree86/vbe/vbe.c +++ b/hw/xfree86/vbe/vbe.c @@ -1074,3 +1074,73 @@ VBEDPMSSet(vbeInfoPtr pVbe, int mode) return (R16(pVbe->pInt10->ax) == 0x4f); } +void +VBEInterpretPanelID(int scrnIndex, struct vbePanelID *data) +{ + ScrnInfoPtr pScrn = xf86Screens[scrnIndex]; + DisplayModePtr mode; + const float PANEL_HZ = 60.0; + + if (!data) + return; + + xf86DrvMsg(scrnIndex, X_INFO, "PanelID returned panel resolution %dx%d\n", + data->hsize, data->vsize); + + if (pScrn->monitor->nHsync || pScrn->monitor->nVrefresh) + return; + + mode = xf86CVTMode(data->hsize, data->vsize, PANEL_HZ, 1, 0); + + pScrn->monitor->nHsync = 1; + pScrn->monitor->hsync[0].lo = 31.5; + pScrn->monitor->hsync[0].hi = (float)mode->Clock / (float)mode->HTotal; + pScrn->monitor->nVrefresh = 1; + pScrn->monitor->vrefresh[0].lo = 56.0; + pScrn->monitor->vrefresh[0].hi = + (float)mode->Clock*1000.0 / (float)mode->HTotal / (float)mode->VTotal; + + xfree(mode); +} + +struct vbePanelID * +VBEReadPanelID(vbeInfoPtr pVbe) +{ + int RealOff = pVbe->real_mode_base; + pointer page = pVbe->memory; + unsigned char *tmp = NULL; + int screen = pVbe->pInt10->scrnIndex; + + pVbe->pInt10->ax = 0x4F11; + pVbe->pInt10->bx = 0x01; + pVbe->pInt10->cx = 0; + pVbe->pInt10->dx = 0; + pVbe->pInt10->es = SEG_ADDR(RealOff); + pVbe->pInt10->di = SEG_OFF(RealOff); + pVbe->pInt10->num = 0x10; + + xf86ExecX86int10(pVbe->pInt10); + + if ((pVbe->pInt10->ax & 0xff) != 0x4f) { + xf86DrvMsgVerb(screen,X_INFO,3,"VESA VBE PanelID invalid\n"); + goto error; + } + + switch (pVbe->pInt10->ax & 0xff00) { + case 0x0: + xf86DrvMsgVerb(screen,X_INFO,3,"VESA VBE PanelID read successfully\n"); + tmp = (unsigned char *)xnfalloc(32); + memcpy(tmp,page,32); + break; + case 0x100: + xf86DrvMsgVerb(screen,X_INFO,3,"VESA VBE PanelID read failed\n"); + break; + default: + xf86DrvMsgVerb(screen,X_INFO,3,"VESA VBE PanelID unknown failure %i\n", + pVbe->pInt10->ax & 0xff00); + break; + } + +error: + return tmp; +} diff --git a/hw/xfree86/vbe/vbe.h b/hw/xfree86/vbe/vbe.h index 83b5a99b1..de9237c9d 100644 --- a/hw/xfree86/vbe/vbe.h +++ b/hw/xfree86/vbe/vbe.h @@ -328,4 +328,20 @@ VBEVesaSaveRestore(vbeInfoPtr pVbe, vbeSaveRestorePtr vbe_sr, int VBEGetPixelClock(vbeInfoPtr pVbe, int mode, int Clock); Bool VBEDPMSSet(vbeInfoPtr pVbe, int mode); +struct vbePanelID { + short hsize; + short vsize; + short fptype; + char redbpp; + char greenbpp; + char bluebpp; + char reservedbpp; + int reserved_offscreen_mem_size; + int reserved_offscreen_mem_pointer; + char reserved[14]; +}; + +void VBEInterpretPanelID(int scrnIndex, struct vbePanelID *data); +struct vbePanelID *VBEReadPanelID(vbeInfoPtr pVbe); + #endif |