diff options
Diffstat (limited to 'src/g80_dac.c')
| -rw-r--r-- | src/g80_dac.c | 41 |
1 files changed, 38 insertions, 3 deletions
diff --git a/src/g80_dac.c b/src/g80_dac.c index ac82616..e536ef7 100644 --- a/src/g80_dac.c +++ b/src/g80_dac.c @@ -27,6 +27,9 @@ #include <unistd.h> +#define DPMS_SERVER +#include <X11/extensions/dpms.h> + #include "g80_type.h" #include "g80_display.h" #include "g80_output.h" @@ -44,7 +47,33 @@ G80DacSetPClk(xf86OutputPtr output, int pclk) static void G80DacDPMSSet(xf86OutputPtr output, int mode) { - ErrorF("DAC dpms unimplemented\n"); + G80Ptr pNv = G80PTR(output->scrn); + G80OutputPrivPtr pPriv = output->driver_private; + const int off = 0x800 * pPriv->or; + CARD32 tmp; + + /* + * DPMSModeOn everything on + * DPMSModeStandby hsync disabled, vsync enabled + * DPMSModeSuspend hsync enabled, vsync disabled + * DPMSModeOff sync disabled + */ + while(pNv->reg[(0x0061A004+off)/4] & 0x80000000); + + tmp = pNv->reg[(0x0061A004+off)/4]; + tmp &= ~0x7f; + tmp |= 0x80000000; + + if(mode == DPMSModeStandby || mode == DPMSModeOff) + tmp |= 1; + if(mode == DPMSModeSuspend || mode == DPMSModeOff) + tmp |= 4; + if(mode != DPMSModeOn) + tmp |= 0x10; + if(mode == DPMSModeOff) + tmp |= 0x40; + + pNv->reg[(0x0061A004+off)/4] = tmp; } static void @@ -63,6 +92,11 @@ G80DacModeSet(xf86OutputPtr output, DisplayModePtr mode, return; } + // This wouldn't be necessary, but the server is stupid and calls + // G80DacDPMSSet after the output is disconnected, even though the hardware + // turns it off automatically. + G80DacDPMSSet(output, DPMSModeOn); + C(0x00000400 + dacOff, (G80CrtcGetHead(output->crtc) == HEAD0 ? 1 : 2) | 0x40); C(0x00000404 + dacOff, @@ -94,12 +128,13 @@ G80DacLoadDetect(xf86OutputPtr output) G80OutputPrivPtr pPriv = output->driver_private; const int scrnIndex = pScrn->scrnIndex; const int dacOff = 2048 * pPriv->or; - CARD32 load, tmp; + CARD32 load, tmp, tmp2; xf86DrvMsg(scrnIndex, X_PROBED, "Trying load detection on VGA%i ... ", pPriv->or); pNv->reg[(0x0061A010+dacOff)/4] = 0x00000001; + tmp2 = pNv->reg[(0x0061A004+dacOff)/4]; pNv->reg[(0x0061A004+dacOff)/4] = 0x80150000; while(pNv->reg[(0x0061A004+dacOff)/4] & 0x80000000); tmp = pNv->architecture == 0x50 ? 420 : 340; @@ -107,7 +142,7 @@ G80DacLoadDetect(xf86OutputPtr output) usleep(4500); load = pNv->reg[(0x0061A00C+dacOff)/4]; pNv->reg[(0x0061A00C+dacOff)/4] = 0; - pNv->reg[(0x0061A004+dacOff)/4] = 0x80550000; + pNv->reg[(0x0061A004+dacOff)/4] = 0x80000000 | tmp2; // Use this DAC if all three channels show load. if((load & 0x38000000) == 0x38000000) { |