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/*
* Copyright 2007 NVIDIA, Corporation
* Copyright 2008 Maarten Maathuis
*
* 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 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.
*/
#include "nouveau_modeset.h"
#include "nouveau_crtc.h"
#include "nouveau_output.h"
#include "nouveau_connector.h"
static int
NV50SorModeValid(nouveauOutputPtr output, DisplayModePtr mode)
{
int high_limit;
if (output->type == OUTPUT_LVDS)
high_limit = 400000;
else
high_limit = 165000; /* no dual link dvi until we figure it out completely */
if (mode->Clock > high_limit)
return MODE_CLOCK_HIGH;
if (mode->Clock < 25000)
return MODE_CLOCK_LOW;
if (mode->Flags & V_DBLSCAN)
return MODE_NO_DBLESCAN;
if (mode->HDisplay > output->native_mode->HDisplay || mode->VDisplay > output->native_mode->VDisplay)
return MODE_PANEL;
return MODE_OK;
}
static void
NV50SorModeSet(nouveauOutputPtr output, DisplayModePtr mode)
{
ScrnInfoPtr pScrn = output->scrn;
xf86DrvMsg(pScrn->scrnIndex, X_INFO, "NV50SorModeSet is called.\n");
const int sorOff = 0x40 * NV50OrOffset(output);
uint32_t mode_ctl = NV50_SOR_MODE_CTRL_OFF;
if (!mode) {
/* Disconnect the SOR */
xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Disconnecting SOR.\n");
NV50DisplayCommand(pScrn, NV50_SOR0_MODE_CTRL + sorOff, mode_ctl);
return;
}
/* Anyone know a more appropriate name? */
DisplayModePtr desired_mode = output->crtc->use_native_mode ? output->crtc->native_mode : mode;
if (output->type == OUTPUT_LVDS) {
mode_ctl |= NV50_SOR_MODE_CTRL_LVDS;
} else {
mode_ctl |= NV50_SOR_MODE_CTRL_TMDS;
if (desired_mode->Clock > 165000)
mode_ctl |= NV50_SOR_MODE_CTRL_TMDS_DUAL_LINK;
}
if (output->crtc) {
if (output->crtc->index == 1)
mode_ctl |= NV50_SOR_MODE_CTRL_CRTC1;
else
mode_ctl |= NV50_SOR_MODE_CTRL_CRTC0;
} else {
xf86DrvMsg(pScrn->scrnIndex, X_WARNING, "Warning, output has no crtc.\n");
return;
}
if (desired_mode->Flags & V_NHSYNC)
mode_ctl |= NV50_SOR_MODE_CTRL_NHSYNC;
if (desired_mode->Flags & V_NVSYNC)
mode_ctl |= NV50_SOR_MODE_CTRL_NVSYNC;
// This wouldn't be necessary, but the server is stupid and calls
// nv50_sor_dpms after the output is disconnected, even though the hardware
// turns it off automatically.
output->SetPowerMode(output, DPMSModeOn);
NV50DisplayCommand(pScrn, NV50_SOR0_MODE_CTRL + sorOff, mode_ctl);
output->crtc->SetScaleMode(output->crtc, output->scale_mode);
}
static void
NV50SorSetClockMode(nouveauOutputPtr output, int clock)
{
ScrnInfoPtr pScrn = output->scrn;
NVPtr pNv = NVPTR(pScrn);
const int limit = output->dcb->type == OUTPUT_LVDS ? 112000 : 165000;
xf86DrvMsg(pScrn->scrnIndex, X_INFO,
"NV50SorSetClockMode is called.\n");
#if 0
ret = nouveau_bios_run_display_table(pScrn, output->dcb, clock);
if (ret)
NV_WARN(pScrn, "failed to run output script, may hang!\n");
#else
/* just to keep the original behaviour until we can reliably run
* the output scripts...
*/
if (output->dcb->type == OUTPUT_LVDS)
return;
#endif
/* 0x70000 was a late addition to nv, mentioned as fixing tmds
* initialisation on certain gpu's. */
/* I presume it's some kind of clock setting, but what precisely i
* do not know.
*/
NVWrite(pNv, NV50_SOR0_CLK_CTRL2 + NV50OrOffset(output) * 0x800,
0x70000 | ((clock > limit) ? 0x101 : 0));
}
static int
NV50SorSense(nouveauOutputPtr output)
{
switch (output->type) {
case OUTPUT_TMDS:
case OUTPUT_LVDS:
return output->type;
default:
return OUTPUT_NONE;
}
}
static void
NV50SorSetPowerMode(nouveauOutputPtr output, int mode)
{
ScrnInfoPtr pScrn = output->scrn;
xf86DrvMsg(pScrn->scrnIndex, X_INFO, "NV50SorSetPowerMode is called with mode %d.\n", mode);
NVPtr pNv = NVPTR(pScrn);
uint32_t tmp;
while ((NVRead(pNv, NV50_SOR0_DPMS_CTRL + NV50OrOffset(output) * 0x800) & NV50_SOR_DPMS_CTRL_PENDING));
tmp = NVRead(pNv, NV50_SOR0_DPMS_CTRL + NV50OrOffset(output) * 0x800);
tmp |= NV50_SOR_DPMS_CTRL_PENDING;
if (mode == DPMSModeOn)
tmp |= NV50_SOR_DPMS_CTRL_MODE_ON;
else
tmp &= ~NV50_SOR_DPMS_CTRL_MODE_ON;
NVWrite(pNv, NV50_SOR0_DPMS_CTRL + NV50OrOffset(output) * 0x800, tmp);
while ((NVRead(pNv, NV50_SOR0_DPMS_STATE + NV50OrOffset(output) * 0x800) & NV50_SOR_DPMS_STATE_WAIT));
}
static Bool
NV50SorDetect(nouveauOutputPtr output)
{
if (output->type == OUTPUT_LVDS) /* assume connected */
return TRUE;
return FALSE;
}
static nouveauCrtcPtr
NV50SorGetCurrentCrtc(nouveauOutputPtr output)
{
ScrnInfoPtr pScrn = output->scrn;
xf86DrvMsg(pScrn->scrnIndex, X_INFO, "NV50SorGetCurrentCrtc is called.\n");
NVPtr pNv = NVPTR(pScrn);
uint32_t mode_ctrl = NVRead(pNv, NV50_SOR0_MODE_CTRL_VAL + NV50OrOffset(output) * 0x8);
/*
* MODE_CTRL values only contain one instance of crtc0 and of crtc1.
* This is because we disconnect outputs upon modeset.
* Crtc might be off even if we get a positive return.
* But we are still associated with that crtc.
*/
if (mode_ctrl & NV50_SOR_MODE_CTRL_CRTC0)
return pNv->crtc[0];
else if (mode_ctrl & NV50_SOR_MODE_CTRL_CRTC1)
return pNv->crtc[1];
return NULL;
}
void
NV50SorSetFunctionPointers(nouveauOutputPtr output)
{
output->ModeValid = NV50SorModeValid;
output->ModeSet = NV50SorModeSet;
output->SetClockMode = NV50SorSetClockMode;
output->Sense = NV50SorSense;
output->Detect = NV50SorDetect;
output->SetPowerMode = NV50SorSetPowerMode;
output->GetCurrentCrtc = NV50SorGetCurrentCrtc;
}
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