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Diffstat (limited to 'src/g80_sor.c')
-rw-r--r-- | src/g80_sor.c | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/src/g80_sor.c b/src/g80_sor.c new file mode 100644 index 0000000..90119f0 --- /dev/null +++ b/src/g80_sor.c @@ -0,0 +1,151 @@ +/* + * Copyright (c) 2007 NVIDIA, Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sublicense, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY + * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#define DPMS_SERVER +#include <X11/extensions/dpms.h> + +#include "g80_type.h" +#include "g80_display.h" +#include "g80_output.h" + +static void +G80SorSetPClk(xf86OutputPtr output, int pclk) +{ + G80Ptr pNv = G80PTR(output->scrn); + G80OutputPrivPtr pPriv = output->driver_private; + const int orOff = 0x800 * pPriv->or; + + pNv->reg[(0x00614300+orOff)/4] = (pclk > 165000) ? 0x101 : 0; +} + +static void +G80SorDPMSSet(xf86OutputPtr output, int mode) +{ + G80Ptr pNv = G80PTR(output->scrn); + G80OutputPrivPtr pPriv = output->driver_private; + const int off = 0x800 * pPriv->or; + CARD32 tmp; + + while(pNv->reg[(0x0061C004+off)/4] & 0x80000000); + + tmp = pNv->reg[(0x0061C004+off)/4]; + tmp |= 0x80000000; + + if(mode == DPMSModeOn) + tmp |= 1; + else + tmp &= ~1; + + pNv->reg[(0x0061C004+off)/4] = tmp; +} + +static void +G80SorModeSet(xf86OutputPtr output, DisplayModePtr mode, + DisplayModePtr adjusted_mode) +{ + ScrnInfoPtr pScrn = output->scrn; + G80OutputPrivPtr pPriv = output->driver_private; + const int sorOff = 0x40 * pPriv->or; + + if(!adjusted_mode) { + /* Disconnect the SOR */ + C(0x00000600 + sorOff, 0); + return; + } + + // This wouldn't be necessary, but the server is stupid and calls + // G80SorDPMSSet after the output is disconnected, even though the hardware + // turns it off automatically. + G80SorDPMSSet(output, DPMSModeOn); + + C(0x00000600 + sorOff, + (G80CrtcGetHead(output->crtc) == HEAD0 ? 1 : 2) | + (adjusted_mode->Clock > 165000 ? 0x500 : 0x100) | + ((adjusted_mode->Flags & V_NHSYNC) ? 0x1000 : 0) | + ((adjusted_mode->Flags & V_NVSYNC) ? 0x2000 : 0)); +} + +static xf86OutputStatus +G80SorDetect(xf86OutputPtr output) +{ + + G80OutputPrivPtr pPriv = output->driver_private; + + /* Assume physical status isn't going to change before the BlockHandler */ + if(pPriv->cached_status != XF86OutputStatusUnknown) + return pPriv->cached_status; + + G80OutputPartnersDetect(pPriv->partner, output, pPriv->i2c); + return pPriv->cached_status; +} + +static void +G80SorDestroy(xf86OutputPtr output) +{ + G80OutputDestroy(output); + + xfree(output->driver_private); + output->driver_private = NULL; +} + +static const xf86OutputFuncsRec G80SorOutputFuncs = { + .dpms = G80SorDPMSSet, + .save = NULL, + .restore = NULL, + .mode_valid = G80OutputModeValid, + .mode_fixup = G80OutputModeFixup, + .prepare = G80OutputPrepare, + .commit = G80OutputCommit, + .mode_set = G80SorModeSet, + .detect = G80SorDetect, + .get_modes = G80OutputGetDDCModes, + .destroy = G80SorDestroy, +}; + +xf86OutputPtr +G80CreateSor(ScrnInfoPtr pScrn, ORNum or) +{ + G80OutputPrivPtr pPriv = xnfcalloc(sizeof(*pPriv), 1); + xf86OutputPtr output; + char orName[5]; + + if(!pPriv) + return FALSE; + + snprintf(orName, 5, "DVI%i", or); + output = xf86OutputCreate(pScrn, &G80SorOutputFuncs, orName); + + pPriv->type = SOR; + pPriv->or = or; + pPriv->cached_status = XF86OutputStatusUnknown; + pPriv->set_pclk = G80SorSetPClk; + output->driver_private = pPriv; + output->interlaceAllowed = TRUE; + output->doubleScanAllowed = TRUE; + + return output; +} |