/*
* Wait for screen to update. If the screen is in manual or auto update
* mode, we can call this function to wait for the screen to update.
*/
OMAPLFB_BOOL OMAPLFBManualSync(OMAPLFB_DEVINFO *psDevInfo)
{
#if defined(PVR_OMAPLFB_DRM_FB)
struct drm_connector *psConnector;
for (psConnector = NULL;
(psConnector = omap_fbdev_get_next_connector(psDevInfo->psLINFBInfo, psConnector)) != NULL; )
{
/* Try manual sync first, then try wait for vsync */
if (omap_connector_sync(psConnector) != 0)
{
(void) omap_encoder_wait_for_vsync(psConnector->encoder);
}
}
return OMAPLFB_TRUE;
#else /* defined(PVR_OMAPLFB_DRM_FB) */
#if 0
struct omap_dss_device *psDSSDev = fb2display(psDevInfo->psLINFBInfo);
OMAP_DSS_DRIVER(psDSSDrv, psDSSDev);
if (psDSSDrv != NULL && psDSSDrv->sync != NULL)
{
int res = psDSSDrv->sync(psDSSDev);
if (res != 0)
{
printk(KERN_ERR DRIVER_PREFIX ": %s: Device %u: Sync failed (%d)\n", __FUNCTION__, psDevInfo->uiFBDevID, res);
return OMAPLFB_FALSE;
}
}
#endif
return OMAPLFB_TRUE;
#endif /* defined(PVR_OMAPLFB_DRM_FB) */
}
/* Wait for VSync */
OMAPLFB_BOOL OMAPLFBWaitForVSync(OMAPLFB_DEVINFO *psDevInfo)
{
#if defined(PVR_OMAPLFB_DRM_FB)
struct drm_connector *psConnector;
for (psConnector = NULL;
(psConnector = omap_fbdev_get_next_connector(psDevInfo->psLINFBInfo, psConnector)) != NULL;)
{
(void) omap_encoder_wait_for_vsync(psConnector->encoder);
}
return OMAPLFB_TRUE;
#else /* defined(PVR_OMAPLFB_DRM_FB) */
#if FBDEV_PRESENT
struct omap_dss_device *psDSSDev = fb2display(psDevInfo->psLINFBInfo);
OMAP_DSS_MANAGER(psDSSMan, psDSSDev);
if (psDSSMan != NULL && WAIT_FOR_VSYNC(psDSSMan) != NULL)
{
int res = WAIT_FOR_VSYNC(psDSSMan)(psDSSMan);
if (res != 0)
{
DEBUG_PRINTK((KERN_WARNING DRIVER_PREFIX ": %s: Device %u: Wait for vsync failed (%d)\n", __FUNCTION__, psDevInfo->uiFBDevID, res));
return OMAPLFB_FALSE;
}
}
#endif
return OMAPLFB_TRUE;
#endif /* defined(PVR_OMAPLFB_DRM_FB) */
}
void OMAPLFBPrintInfo(OMAPLFB_DEVINFO *psDevInfo)
{
#if defined(PVR_OMAPLFB_DRM_FB)
struct drm_connector *psConnector;
unsigned uConnectors;
unsigned uConnector;
DEBUG_PRINTK((KERN_INFO DRIVER_PREFIX ": Device %u: DRM framebuffer\n", psDevInfo->uiFBDevID));
for (psConnector = NULL, uConnectors = 0;
(psConnector = omap_fbdev_get_next_connector(psDevInfo->psLINFBInfo, psConnector)) != NULL;)
{
uConnectors++;
}
DEBUG_PRINTK((KERN_INFO DRIVER_PREFIX ": Device %u: Number of screens (DRM connectors): %u\n", psDevInfo->uiFBDevID, uConnectors));
if (uConnectors == 0)
{
return;
}
for (psConnector = NULL, uConnector = 0;
(psConnector = omap_fbdev_get_next_connector(psDevInfo->psLINFBInfo, psConnector)) != NULL; uConnector++)
{
enum omap_dss_update_mode eMode = omap_connector_get_update_mode(psConnector);
DEBUG_PRINTK((KERN_INFO DRIVER_PREFIX ": Device %u: Screen %u: %s (%d)\n", psDevInfo->uiFBDevID, uConnector, OMAPLFBDSSUpdateModeToString(eMode), (int)eMode));
}
#else /* defined(PVR_OMAPLFB_DRM_FB) */
//#if defined(PVR_OMAPLFB_HAS_UPDATE_MODE)
OMAPLFB_UPDATE_MODE eMode = OMAPLFBGetUpdateMode(psDevInfo);
//DEBUG_PRINTK((KERN_INFO DRIVER_PREFIX ": Device %u: %s\n", psDevInfo->uiFBDevID, OMAPLFBUpdateModeToString(eMode)));
//#endif
DEBUG_PRINTK((KERN_INFO DRIVER_PREFIX ": Device %u: non-DRM framebuffer\n", psDevInfo->uiFBDevID));
#endif /* defined(PVR_OMAPLFB_DRM_FB) */
}
/* Set display update mode */
OMAPLFB_BOOL OMAPLFBSetUpdateMode(OMAPLFB_DEVINFO *psDevInfo, OMAPLFB_UPDATE_MODE eMode)
{
#if defined(PVR_OMAPLFB_DRM_FB)
struct drm_connector *psConnector;
enum omap_dss_update_mode eDSSMode;
OMAPLFB_BOOL bSuccess = OMAPLFB_FALSE;
OMAPLFB_BOOL bFailure = OMAPLFB_FALSE;
if (!OMAPLFBValidateUpdateMode(eMode))
{
DEBUG_PRINTK((KERN_WARNING DRIVER_PREFIX ": %s: Device %u: Unknown update mode (%d)\n", __FUNCTION__, psDevInfo->uiFBDevID, (int)eMode));
return OMAPLFB_FALSE;
}
eDSSMode = OMAPLFBToDSSUpdateMode(eMode);
for (psConnector = NULL;
(psConnector = omap_fbdev_get_next_connector(psDevInfo->psLINFBInfo, psConnector)) != NULL;)
{
int iRes = omap_connector_set_update_mode(psConnector, eDSSMode);
OMAPLFB_BOOL bRes = (iRes == 0);
bSuccess |= bRes;
bFailure |= !bRes;
}
if (!bFailure)
{
if (!bSuccess)
{
DEBUG_PRINTK((KERN_WARNING DRIVER_PREFIX ": %s: Device %u: No screens\n", __FUNCTION__, psDevInfo->uiFBDevID));
}
return OMAPLFB_TRUE;
}
if (!bSuccess)
{
DEBUG_PRINTK((KERN_WARNING DRIVER_PREFIX ": %s: Device %u: Couldn't set %s for any screen\n", __FUNCTION__, psDevInfo->uiFBDevID, OMAPLFBUpdateModeToString(eMode)));
return OMAPLFB_FALSE;
}
if (eMode == OMAPLFB_UPDATE_MODE_AUTO)
{
DEBUG_PRINTK((KERN_WARNING DRIVER_PREFIX ": %s: Device %u: Couldn't set %s for all screens\n", __FUNCTION__, psDevInfo->uiFBDevID, OMAPLFBUpdateModeToString(eMode)));
return OMAPLFB_FALSE;
}
DEBUG_PRINTK((KERN_INFO DRIVER_PREFIX ": %s: Device %u: %s set for some screens\n", __FUNCTION__, psDevInfo->uiFBDevID, OMAPLFBUpdateModeToString(eMode)));
return OMAPLFB_TRUE;
#else /* defined(PVR_OMAPLFB_DRM_FB) */
#if LINUX_VERSION_CODE < KERNEL_VERSION(3,1,0)
struct omap_dss_device *psDSSDev = fb2display(psDevInfo->psLINFBInfo);
OMAP_DSS_DRIVER(psDSSDrv, psDSSDev);
enum omap_dss_update_mode eDSSMode;
int res;
if (psDSSDrv == NULL || psDSSDrv->set_update_mode == NULL)
{
DEBUG_PRINTK((KERN_WARNING DRIVER_PREFIX ": %s: Device %u: Can't set update mode\n", __FUNCTION__, psDevInfo->uiFBDevID));
return OMAPLFB_FALSE;
}
if (!OMAPLFBValidateUpdateMode(eMode))
{
DEBUG_PRINTK((KERN_WARNING DRIVER_PREFIX ": %s: Device %u: Unknown update mode (%d)\n", __FUNCTION__, psDevInfo->uiFBDevID, (int)eMode));
return OMAPLFB_FALSE;
}
eDSSMode = OMAPLFBToDSSUpdateMode(eMode);
res = psDSSDrv->set_update_mode(psDSSDev, eDSSMode);
if (res != 0)
{
DEBUG_PRINTK((KERN_WARNING DRIVER_PREFIX ": %s: Device %u: set_update_mode (%s) failed (%d)\n", __FUNCTION__, psDevInfo->uiFBDevID, OMAPLFBDSSUpdateModeToString(eDSSMode), res));
}
return (res == 0);
#else
return 1;
#endif
#endif /* defined(PVR_OMAPLFB_DRM_FB) */
}
/*
* Get display update mode.
* If the mode is AUTO, we can wait for VSync, if desired.
*/
OMAPLFB_UPDATE_MODE OMAPLFBGetUpdateMode(OMAPLFB_DEVINFO *psDevInfo)
{
#if defined(PVR_OMAPLFB_DRM_FB)
struct drm_connector *psConnector;
OMAPLFB_UPDATE_MODE eMode = OMAPLFB_UPDATE_MODE_UNDEFINED;
/*
* There may be multiple displays connected. If at least one
* display is manual update mode, report all screens as being
* in that mode.
*/
for (psConnector = NULL;
(psConnector = omap_fbdev_get_next_connector(psDevInfo->psLINFBInfo, psConnector)) != NULL;)
{
switch(omap_connector_get_update_mode(psConnector))
{
case OMAP_DSS_UPDATE_MANUAL:
eMode = OMAPLFB_UPDATE_MODE_MANUAL;
break;
case OMAP_DSS_UPDATE_DISABLED:
if (eMode == OMAPLFB_UPDATE_MODE_UNDEFINED)
{
eMode = OMAPLFB_UPDATE_MODE_DISABLED;
}
break;
case OMAP_DSS_UPDATE_AUTO:
/* Fall through to default case */
default:
/* Asssume auto update is possible */
if (eMode != OMAPLFB_UPDATE_MODE_MANUAL)
{
eMode = OMAPLFB_UPDATE_MODE_AUTO;
}
break;
}
}
return eMode;
#else /* defined(PVR_OMAPLFB_DRM_FB) */
#if LINUX_VERSION_CODE < KERNEL_VERSION(3,1,0)
struct omap_dss_device *psDSSDev = fb2display(psDevInfo->psLINFBInfo);
OMAP_DSS_DRIVER(psDSSDrv, psDSSDev);
enum omap_dss_update_mode eMode;
if (psDSSDrv == NULL)
{
DEBUG_PRINTK((KERN_WARNING DRIVER_PREFIX ": %s: Device %u: No DSS device\n", __FUNCTION__, psDevInfo->uiFBDevID));
return OMAPLFB_UPDATE_MODE_UNDEFINED;
}
if (psDSSDrv->get_update_mode == NULL)
{
if (strcmp(psDSSDev->name, "hdmi") == 0)
{
return OMAPLFB_UPDATE_MODE_AUTO;
}
// DEBUG_PRINTK((KERN_WARNING DRIVER_PREFIX ": %s: Device %u: No get_update_mode function\n", __FUNCTION__, psDevInfo->uiFBDevID));
// return OMAPLFB_UPDATE_MODE_UNDEFINED;
return OMAPLFB_UPDATE_MODE_AUTO;
}
eMode = psDSSDrv->get_update_mode(psDSSDev);
if (!OMAPLFBValidateDSSUpdateMode(eMode))
{
DEBUG_PRINTK((KERN_WARNING DRIVER_PREFIX ": %s: Device %u: Unknown update mode (%d)\n", __FUNCTION__, psDevInfo->uiFBDevID, (int)eMode));
}
return OMAPLFBFromDSSUpdateMode(eMode);
#else
return OMAPLFB_UPDATE_MODE_AUTO;
#endif
#endif /* defined(PVR_OMAPLFB_DRM_FB) */
}
OMAPLFB_UPDATE_MODE OMAPLFBGetUpdateMode(OMAPLFB_DEVINFO *psDevInfo)
{
#if 0
#if defined(PVR_OMAPLFB_DRM_FB)
struct drm_connector *psConnector;
OMAPLFB_UPDATE_MODE eMode = OMAPLFB_UPDATE_MODE_UNDEFINED;
for (psConnector = NULL;
(psConnector = omap_fbdev_get_next_connector(psDevInfo->psLINFBInfo, psConnector)) != NULL;)
{
switch(omap_connector_get_update_mode(psConnector))
{
case OMAP_DSS_UPDATE_MANUAL:
eMode = OMAPLFB_UPDATE_MODE_MANUAL;
break;
case OMAP_DSS_UPDATE_DISABLED:
if (eMode == OMAPLFB_UPDATE_MODE_UNDEFINED)
{
eMode = OMAPLFB_UPDATE_MODE_DISABLED;
}
break;
case OMAP_DSS_UPDATE_AUTO:
default:
if (eMode != OMAPLFB_UPDATE_MODE_MANUAL)
{
eMode = OMAPLFB_UPDATE_MODE_AUTO;
}
break;
}
}
return eMode;
#else
struct omap_dss_device *psDSSDev = fb2display(psDevInfo->psLINFBInfo);
OMAP_DSS_DRIVER(psDSSDrv, psDSSDev);
enum omap_dss_update_mode eMode;
if (psDSSDrv == NULL)
{
DEBUG_PRINTK((KERN_WARNING DRIVER_PREFIX ": %s: Device %u: No DSS device\n", __FUNCTION__, psDevInfo->uiFBDevID));
return OMAPLFB_UPDATE_MODE_UNDEFINED;
}
if (psDSSDrv->get_update_mode == NULL)
{
if (strcmp(psDSSDev->name, "hdmi") == 0)
{
return OMAPLFB_UPDATE_MODE_AUTO;
}
DEBUG_PRINTK((KERN_WARNING DRIVER_PREFIX ": %s: Device %u: No get_update_mode function\n", __FUNCTION__, psDevInfo->uiFBDevID));
return OMAPLFB_UPDATE_MODE_UNDEFINED;
}
eMode = psDSSDrv->get_update_mode(psDSSDev);
if (!OMAPLFBValidateDSSUpdateMode(eMode))
{
DEBUG_PRINTK((KERN_WARNING DRIVER_PREFIX ": %s: Device %u: Unknown update mode (%d)\n", __FUNCTION__, psDevInfo->uiFBDevID, (int)eMode));
}
return OMAPLFBFromDSSUpdateMode(eMode);
#endif
#endif
return OMAPLFB_UPDATE_MODE_AUTO;
}
