void
cirProbeDDC(ScrnInfoPtr pScrn, int index)
{
vbeInfoPtr pVbe;
ModuleDescPtr pMod;
if ((pMod = xf86LoadVBEModule(pScrn))) {
xf86LoaderModReqSymLists(pMod, vbeSymbols,NULL);
pVbe = VBEInit(NULL,index);
ConfiguredMonitor = vbeDoEDID(pVbe, NULL);
vbeFree(pVbe);
xf86UnloadSubModule(pMod);
}
}
void
i830_dvo_init(ScrnInfoPtr scrn)
{
intel_screen_private *intel = intel_get_screen_private(scrn);
I830OutputPrivatePtr intel_output;
int ret;
int i;
void *ret_ptr;
struct _I830DVODriver *drv;
int gpio_inited = 0;
I2CBusPtr pI2CBus = NULL;
intel_output = xnfcalloc (sizeof (I830OutputPrivateRec), 1);
if (!intel_output)
return;
/* Set up the DDC bus */
ret = I830I2CInit(scrn, &intel_output->pDDCBus, GPIOD, "DVODDC_D");
if (!ret) {
free(intel_output);
return;
}
/* Now, try to find a controller */
for (i = 0; i < I830_NUM_DVO_DRIVERS; i++) {
int gpio;
drv = &i830_dvo_drivers[i];
drv->modhandle = xf86LoadSubModule(scrn, drv->modulename);
if (drv->modhandle == NULL)
continue;
ret_ptr = NULL;
drv->vid_rec = LoaderSymbol(drv->fntablename);
if (!strcmp(drv->modulename, "ivch") &&
intel->quirk_flag & QUIRK_IVCH_NEED_DVOB) {
drv->dvo_reg = DVOB;
}
/* Allow the I2C driver info to specify the GPIO to be used in
* special cases, but otherwise default to what's defined in the spec.
*/
if (drv->gpio != 0)
gpio = drv->gpio;
else if (drv->type == I830_OUTPUT_DVO_LVDS)
gpio = GPIOB;
else
gpio = GPIOE;
/* Set up the I2C bus necessary for the chip we're probing. It appears
* that everything is on GPIOE except for panels on i830 laptops, which
* are on GPIOB (DVOA).
*/
if (gpio_inited != gpio) {
if (pI2CBus != NULL)
xf86DestroyI2CBusRec(pI2CBus, TRUE, TRUE);
if (!I830I2CInit(scrn, &pI2CBus, gpio,
gpio == GPIOB ? "DVOI2C_B" : "DVOI2C_E")) {
continue;
}
}
if (drv->vid_rec != NULL)
ret_ptr = drv->vid_rec->init(pI2CBus, drv->address);
if (ret_ptr != NULL) {
xf86OutputPtr output = NULL;
intel_output->type = drv->type;
switch (drv->type) {
case I830_OUTPUT_DVO_TMDS:
intel_output->pipe_mask = ((1 << 0) | (1 << 1));
intel_output->clone_mask = ((1 << I830_OUTPUT_ANALOG) |
(1 << I830_OUTPUT_DVO_TMDS));
output = xf86OutputCreate(scrn, &i830_dvo_output_funcs,
"TMDS");
break;
case I830_OUTPUT_DVO_LVDS:
intel_output->pipe_mask = ((1 << 0) | (1 << 1));
intel_output->clone_mask = (1 << I830_OUTPUT_DVO_LVDS);
output = xf86OutputCreate(scrn, &i830_dvo_output_funcs,
"LVDS");
break;
case I830_OUTPUT_DVO_TVOUT:
intel_output->pipe_mask = ((1 << 0) | (1 << 1));
intel_output->clone_mask = (1 << I830_OUTPUT_DVO_TVOUT);
output = xf86OutputCreate(scrn, &i830_dvo_output_funcs,
"TV");
break;
}
if (output == NULL) {
xf86DestroyI2CBusRec(pI2CBus, TRUE, TRUE);
xf86DestroyI2CBusRec(intel_output->pDDCBus, TRUE, TRUE);
free(intel_output);
#if GET_ABI_MAJOR(ABI_VIDEODRV_VERSION) < 12
xf86UnloadSubModule(drv->modhandle);
#endif
return;
}
output->driver_private = intel_output;
output->subpixel_order = SubPixelHorizontalRGB;
output->interlaceAllowed = FALSE;
output->doubleScanAllowed = FALSE;
drv->dev_priv = ret_ptr;
intel_output->i2c_drv = drv;
intel_output->pI2CBus = pI2CBus;
if (intel_output->type == I830_OUTPUT_DVO_LVDS) {
/* For our LVDS chipsets, we should hopefully be able to
* dig the fixed panel mode out of the BIOS data. However,
* it's in a different format from the BIOS data on chipsets
* with integrated LVDS (stored in AIM headers, liekly),
* so for now, just get the current mode being output through
* DVO.
*/
intel->lvds_fixed_mode = i830_dvo_get_current_mode(output);
intel->lvds_dither = TRUE;
}
return;
}
#if GET_ABI_MAJOR(ABI_VIDEODRV_VERSION) < 12
xf86UnloadSubModule(drv->modhandle);
#endif
}
/* Didn't find a chip, so tear down. */
if (pI2CBus != NULL)
xf86DestroyI2CBusRec(pI2CBus, TRUE, TRUE);
xf86DestroyI2CBusRec(intel_output->pDDCBus, TRUE, TRUE);
free(intel_output);
}
