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/**********************************************************************
*
* Copyright(c) 2008 Imagination Technologies Ltd. All rights reserved.
*
* 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, except
* as otherwise stated in writing, 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.
*
* The full GNU General Public License is included in this distribution in
* the file called "COPYING".
*
* Contact Information:
* Imagination Technologies Ltd. <gpl-support@imgtec.com>
* Home Park Estate, Kings Langley, Herts, WD4 8LZ, UK
*
******************************************************************************/
#include <linux/version.h>
#include <linux/pci.h>
#include <linux/slab.h>
#include <linux/errno.h>
#include <linux/interrupt.h>
#include <drm/drmP.h>
#include <asm/io.h>
#include "img_defs.h"
#include "servicesext.h"
#include "kerneldisplay.h"
#include "pvrmodule.h"
#include "pvr_drm.h"
#include "mrstlfb.h"
#include "kerneldisplay.h"
#include "psb_irq.h"
#include "psb_drv.h"
#define MAKESTRING(x) # x
#if !defined(DISPLAY_CONTROLLER)
#define DISPLAY_CONTROLLER pvrlfb
#endif
//#define MAKENAME_HELPER(x, y) x ## y
//#define MAKENAME2(x, y) MAKENAME_HELPER(x, y)
//#define MAKENAME(x) MAKENAME2(DISPLAY_CONTROLLER, x)
#define unref__ __attribute__ ((unused))
extern int fb_idx;
void *MRSTLFBAllocKernelMem(unsigned long ulSize)
{
return kmalloc(ulSize, GFP_KERNEL);
}
void MRSTLFBFreeKernelMem(void *pvMem)
{
kfree(pvMem);
}
MRST_ERROR MRSTLFBGetLibFuncAddr (char *szFunctionName, PFN_DC_GET_PVRJTABLE *ppfnFuncTable)
{
if(strcmp("PVRGetDisplayClassJTable", szFunctionName) != 0)
{
return (MRST_ERROR_INVALID_PARAMS);
}
*ppfnFuncTable = PVRGetDisplayClassJTable;
return (MRST_OK);
}
static void MRSTLFBVSyncWriteReg(MRSTLFB_DEVINFO *psDevInfo, unsigned long ulOffset, unsigned long ulValue)
{
void *pvRegAddr = (void *)(psDevInfo->pvRegs + ulOffset);
mb();
iowrite32(ulValue, pvRegAddr);
}
unsigned long MRSTLFBVSyncReadReg(MRSTLFB_DEVINFO * psDevinfo, unsigned long ulOffset)
{
mb();
return ioread32((char *)psDevinfo->pvRegs + ulOffset);
}
void MRSTLFBEnableVSyncInterrupt(MRSTLFB_DEVINFO * psDevinfo)
{
#if defined(MRST_USING_INTERRUPTS)
struct drm_psb_private *dev_priv =
(struct drm_psb_private *) psDevinfo->psDrmDevice->dev_private;
dev_priv->vblanksEnabledForFlips = true;
psb_enable_vblank(psDevinfo->psDrmDevice, psDevinfo->ui32MainPipe);
#endif
}
void MRSTLFBDisableVSyncInterrupt(MRSTLFB_DEVINFO * psDevinfo)
{
#if defined(MRST_USING_INTERRUPTS)
struct drm_device * dev = psDevinfo->psDrmDevice;
struct drm_psb_private *dev_priv =
(struct drm_psb_private *) psDevinfo->psDrmDevice->dev_private;
dev_priv->vblanksEnabledForFlips = false;
if (!dev->vblank_enabled[psDevinfo->ui32MainPipe])
psb_disable_vblank(psDevinfo->psDrmDevice, psDevinfo->ui32MainPipe);
#endif
}
#if defined(MRST_USING_INTERRUPTS)
MRST_ERROR MRSTLFBInstallVSyncISR(MRSTLFB_DEVINFO *psDevInfo, MRSTLFB_VSYNC_ISR_PFN pVsyncHandler)
{
struct drm_psb_private *dev_priv =
(struct drm_psb_private *) psDevInfo->psDrmDevice->dev_private;
dev_priv->psb_vsync_handler = pVsyncHandler;
return (MRST_OK);
}
MRST_ERROR MRSTLFBUninstallVSyncISR(MRSTLFB_DEVINFO *psDevInfo)
{
struct drm_psb_private *dev_priv =
(struct drm_psb_private *) psDevInfo->psDrmDevice->dev_private;
dev_priv->psb_vsync_handler = NULL;
return (MRST_OK);
}
#endif
void MRSTLFBFlipToSurface(MRSTLFB_DEVINFO *psDevInfo, unsigned long uiAddr)
{
int dspbase = (psDevInfo->ui32MainPipe == 0 ? DSPABASE : DSPBBASE);
int dspsurf = (psDevInfo->ui32MainPipe == 0 ? DSPASURF : DSPBSURF);
if (IS_CDV(psDevInfo->psDrmDevice)) {
dspsurf = DSPASURF;
MRSTLFBVSyncWriteReg(psDevInfo, dspsurf, uiAddr);
dspsurf = DSPBSURF;
MRSTLFBVSyncWriteReg(psDevInfo, dspsurf, uiAddr);
} else {
MRSTLFBVSyncWriteReg(psDevInfo, dspbase, uiAddr);
}
}
int PVR_DRM_MAKENAME(DISPLAY_CONTROLLER, _Init)(struct drm_device unref__ *dev)
{
if(MRSTLFBInit(dev) != MRST_OK)
{
printk(KERN_WARNING DRIVER_PREFIX ": MRSTLFB_Init: MRSTLFBInit failed\n");
return -ENODEV;
}
return 0;
}
void PVR_DRM_MAKENAME(DISPLAY_CONTROLLER, _Cleanup)(struct drm_device unref__ *dev)
{
if(MRSTLFBDeinit() != MRST_OK)
{
printk(KERN_WARNING DRIVER_PREFIX "%s: can't deinit device\n", __FUNCTION__);
}
}
int PVR_DRM_MAKENAME(DISPLAY_CONTROLLER, _Suspend)(struct drm_device unref__ *dev)
{
MRSTLFBSuspend();
return 0;
}
int PVR_DRM_MAKENAME(DISPLAY_CONTROLLER, _Resume)(struct drm_device unref__ *dev)
{
MRSTLFBResume();
return 0;
}
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