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/*
* Copyright (c) 2011, Intel Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
*
* Authors: binglin.chen@intel.com>
*
*/
#include "msvdx_power.h"
#include "psb_msvdx.h"
#include "psb_drv.h"
#include "services_headers.h"
#include "sysconfig.h"
static PVRSRV_ERROR DevInitMSVDXPart1(IMG_VOID *pvDeviceNode)
{
PVRSRV_DEVICE_NODE *psDeviceNode = (PVRSRV_DEVICE_NODE *)pvDeviceNode;
PVRSRV_ERROR eError;
PVRSRV_DEV_POWER_STATE eDefaultPowerState;
/* register power operation function */
/* FIXME: this should be in part2 init function, but
* currently here only OSPM needs IMG device... */
eDefaultPowerState = PVRSRV_DEV_POWER_STATE_OFF;
eError = PVRSRVRegisterPowerDevice(psDeviceNode->sDevId.ui32DeviceIndex,
MSVDXPrePowerState,
MSVDXPostPowerState,
MSVDXPreClockSpeedChange,
MSVDXPostClockSpeedChange,
(IMG_HANDLE)psDeviceNode,
PVRSRV_DEV_POWER_STATE_ON,
eDefaultPowerState);
if (eError != PVRSRV_OK) {
PVR_DPF((PVR_DBG_ERROR, "DevInitMSVDXPart1: failed to "
"register device with power manager"));
return eError;
}
return PVRSRV_OK;
}
static PVRSRV_ERROR DevDeInitMSVDX(IMG_VOID *pvDeviceNode)
{
PVRSRV_DEVICE_NODE *psDeviceNode = (PVRSRV_DEVICE_NODE *)pvDeviceNode;
PVRSRV_ERROR eError;
/* should deinit all resource */
eError = PVRSRVRemovePowerDevice(psDeviceNode->sDevId.ui32DeviceIndex);
if (eError != PVRSRV_OK)
return eError;
return PVRSRV_OK;
}
PVRSRV_ERROR MSVDXDevInitCompatCheck(PVRSRV_DEVICE_NODE *psDeviceNode)
{
/* version check */
return PVRSRV_OK;
}
PVRSRV_ERROR MSVDXRegisterDevice(PVRSRV_DEVICE_NODE *psDeviceNode)
{
psDeviceNode->sDevId.eDeviceType = PVRSRV_DEVICE_TYPE_MSVDX;
psDeviceNode->sDevId.eDeviceClass = PVRSRV_DEVICE_CLASS_VIDEO;
psDeviceNode->pfnInitDevice = DevInitMSVDXPart1;
psDeviceNode->pfnDeInitDevice = DevDeInitMSVDX;
psDeviceNode->pfnInitDeviceCompatCheck = MSVDXDevInitCompatCheck;
psDeviceNode->pfnDeviceISR = psb_msvdx_interrupt;
psDeviceNode->pvISRData = (IMG_VOID *)gpDrmDevice;
return PVRSRV_OK;
}
PVRSRV_ERROR MSVDXPrePowerState(IMG_HANDLE hDevHandle,
PVRSRV_DEV_POWER_STATE eNewPowerState,
PVRSRV_DEV_POWER_STATE eCurrentPowerState)
{
#if 1
/* ask for a change not power on*/
if ((eNewPowerState != eCurrentPowerState) &&
(eNewPowerState != PVRSRV_DEV_POWER_STATE_ON)) {
struct drm_psb_private *dev_priv = gpDrmDevice->dev_private;
struct msvdx_private *msvdx_priv = dev_priv->msvdx_private;
MSVDX_NEW_PMSTATE(gpDrmDevice, msvdx_priv, PSB_PMSTATE_POWERDOWN);
/* context save */
psb_msvdx_save_context(gpDrmDevice);
/* internally close the device */
/* ask for power off */
if (eNewPowerState == PVRSRV_DEV_POWER_STATE_OFF) {
/* here will deinitialize the driver if needed */
} else {
PVR_DPF((PVR_DBG_MESSAGE,
"%s no action for transform from %d to %d",
__func__,
eCurrentPowerState,
eNewPowerState));
}
}
#endif
return PVRSRV_OK;
}
PVRSRV_ERROR MSVDXPostPowerState(IMG_HANDLE hDevHandle,
PVRSRV_DEV_POWER_STATE eNewPowerState,
PVRSRV_DEV_POWER_STATE eCurrentPowerState)
{
#if 1
/* if ask for change & current status is not on */
if ((eNewPowerState != eCurrentPowerState) &&
(eCurrentPowerState != PVRSRV_DEV_POWER_STATE_ON)) {
/* internally open device */
struct drm_psb_private *dev_priv = gpDrmDevice->dev_private;
struct msvdx_private *msvdx_priv = dev_priv->msvdx_private;
MSVDX_NEW_PMSTATE(gpDrmDevice, msvdx_priv, PSB_PMSTATE_POWERUP);
/* context restore */
psb_msvdx_restore_context(gpDrmDevice);
if (eCurrentPowerState == PVRSRV_DEV_POWER_STATE_OFF) {
/* here will initialize the driver if needed */
} else {
PVR_DPF((PVR_DBG_MESSAGE,
"%s no action for transform from %d to %d",
__func__,
eCurrentPowerState,
eNewPowerState));
}
}
#endif
return PVRSRV_OK;
}
PVRSRV_ERROR MSVDXPreClockSpeedChange(IMG_HANDLE hDevHandle,
IMG_BOOL bIdleDevice,
PVRSRV_DEV_POWER_STATE eCurrentPowerState)
{
return PVRSRV_OK;
}
PVRSRV_ERROR MSVDXPostClockSpeedChange(IMG_HANDLE hDevHandle,
IMG_BOOL bIdleDevice,
PVRSRV_DEV_POWER_STATE eCurrentPowerState)
{
return PVRSRV_OK;
}
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