/* * 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 #include #ifdef HAVE_XEXTPROTO_71 #include #else #define DPMS_SERVER #include #endif #include #include "g80_type.h" #include "g80_display.h" #include "g80_output.h" static void G80DacSetPClk(xf86OutputPtr output, int pclk) { G80Ptr pNv = G80PTR(output->scrn); G80OutputPrivPtr pPriv = output->driver_private; const int orOff = 0x800 * pPriv->or; pNv->reg[(0x00614280+orOff)/4] = 0; } static void G80DacDPMSSet(xf86OutputPtr output, int mode) { 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 Bool G80DacModeFixup(xf86OutputPtr output, DisplayModePtr mode, DisplayModePtr adjusted_mode) { return TRUE; } static void G80DacModeSet(xf86OutputPtr output, DisplayModePtr mode, DisplayModePtr adjusted_mode) { ScrnInfoPtr pScrn = output->scrn; G80OutputPrivPtr pPriv = output->driver_private; const int dacOff = 0x80 * pPriv->or; if(!adjusted_mode) { C(0x00000400 + dacOff, 0); 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, (adjusted_mode->Flags & V_NHSYNC) ? 1 : 0 | (adjusted_mode->Flags & V_NVSYNC) ? 2 : 0); G80CrtcSetScale(output->crtc, adjusted_mode, G80_SCALE_OFF); } /* * Perform DAC load detection to determine if there is a connected display. */ static xf86OutputStatus G80DacDetect(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(output, pPriv->partner, pPriv->i2c); return pPriv->cached_status; } Bool G80DacLoadDetect(xf86OutputPtr output) { ScrnInfoPtr pScrn = output->scrn; G80Ptr pNv = G80PTR(pScrn); G80OutputPrivPtr pPriv = output->driver_private; const int scrnIndex = pScrn->scrnIndex; const int dacOff = 2048 * pPriv->or; int sigstate; CARD32 load, tmp; xf86DrvMsg(scrnIndex, X_PROBED, "Trying load detection on VGA%i ... ", pPriv->or); pNv->reg[(0x0061A010+dacOff)/4] = 0x00000001; tmp = pNv->reg[(0x0061A004+dacOff)/4]; pNv->reg[(0x0061A004+dacOff)/4] = 0x80150000; while(pNv->reg[(0x0061A004+dacOff)/4] & 0x80000000); pNv->reg[(0x0061A00C+dacOff)/4] = pNv->loadVal | 0x100000; sigstate = xf86BlockSIGIO(); usleep(45000); xf86UnblockSIGIO(sigstate); load = pNv->reg[(0x0061A00C+dacOff)/4]; pNv->reg[(0x0061A00C+dacOff)/4] = 0; pNv->reg[(0x0061A004+dacOff)/4] = 0x80000000 | tmp; // Use this DAC if all three channels show load. if((load & 0x38000000) == 0x38000000) { xf86ErrorF("found one!\n"); return TRUE; } xf86ErrorF("nothing.\n"); return FALSE; } static void G80DacDestroy(xf86OutputPtr output) { G80OutputDestroy(output); free(output->driver_private); output->driver_private = NULL; } static const xf86OutputFuncsRec G80DacOutputFuncs = { .dpms = G80DacDPMSSet, .save = NULL, .restore = NULL, .mode_valid = G80OutputModeValid, .mode_fixup = G80DacModeFixup, .prepare = G80OutputPrepare, .commit = G80OutputCommit, .mode_set = G80DacModeSet, .detect = G80DacDetect, .get_modes = G80OutputGetDDCModes, .destroy = G80DacDestroy, }; xf86OutputPtr G80CreateDac(ScrnInfoPtr pScrn, ORNum or) { G80OutputPrivPtr pPriv = xnfcalloc(sizeof(*pPriv), 1); xf86OutputPtr output; char orName[5]; if(!pPriv) return NULL; snprintf(orName, 5, "VGA%i", or); output = xf86OutputCreate(pScrn, &G80DacOutputFuncs, orName); pPriv->type = DAC; pPriv->or = or; pPriv->cached_status = XF86OutputStatusUnknown; pPriv->set_pclk = G80DacSetPClk; output->driver_private = pPriv; output->interlaceAllowed = TRUE; output->doubleScanAllowed = TRUE; return output; }