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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
*
******************************************************************************/
#ifndef __MRSTLFB_H__
#define __MRSTLFB_H__
#include <drm/drmP.h>
#include "psb_intel_reg.h"
#define MRST_USING_INTERRUPTS
#define PSB_HWSTAM 0x2098
#define PSB_INSTPM 0x20C0
#define PSB_INT_IDENTITY_R 0x20A4
#define _PSB_VSYNC_PIPEB_FLAG (1<<5)
#define _PSB_VSYNC_PIPEA_FLAG (1<<7)
#define _PSB_IRQ_SGX_FLAG (1<<18)
#define _PSB_IRQ_MSVDX_FLAG (1<<19)
#define PSB_INT_MASK_R 0x20A8
#define PSB_INT_ENABLE_R 0x20A0
#define MAX_SWAPCHAINS 1
#define MAX_FLIPBUFFERS 9
/* IPC message and command defines used to enable/disable mipi panel voltages */
#define IPC_MSG_PANEL_ON_OFF 0xE9
#define IPC_CMD_PANEL_ON 1
#define IPC_CMD_PANEL_OFF 0
typedef void * MRST_HANDLE;
typedef enum tag_mrst_bool
{
MRST_FALSE = 0,
MRST_TRUE = 1,
} MRST_BOOL, *MRST_PBOOL;
typedef int(* MRSTLFB_VSYNC_ISR_PFN)(struct drm_device* psDrmDevice, int iPipe);
typedef struct MRSTLFB_BUFFER_TAG
{
IMG_UINT32 ui32BufferSize;
union {
IMG_SYS_PHYADDR *psNonCont;
IMG_SYS_PHYADDR sCont;
} uSysAddr;
IMG_DEV_VIRTADDR sDevVAddr;
IMG_CPU_VIRTADDR sCPUVAddr;
PVRSRV_SYNC_DATA *psSyncData;
MRST_BOOL bIsContiguous;
MRST_BOOL bIsAllocated;
IMG_UINT32 ui32OwnerTaskID;
} MRSTLFB_BUFFER;
typedef struct MRSTLFB_VSYNC_FLIP_ITEM_TAG
{
MRST_HANDLE hCmdComplete;
unsigned long ulSwapInterval;
MRST_BOOL bValid;
MRST_BOOL bFlipped;
MRST_BOOL bCmdCompleted;
MRSTLFB_BUFFER* psBuffer;
} MRSTLFB_VSYNC_FLIP_ITEM;
typedef struct MRSTLFB_SWAPCHAIN_TAG
{
unsigned long ulBufferCount;
IMG_UINT32 ui32SwapChainID;
MRSTLFB_BUFFER **ppsBuffer;
unsigned long ulSwapChainLength;
MRSTLFB_VSYNC_FLIP_ITEM *psVSyncFlips;
unsigned long ulInsertIndex;
unsigned long ulRemoveIndex;
PVRSRV_DC_DISP2SRV_KMJTABLE *psPVRJTable;
struct drm_driver *psDrmDriver;
struct drm_device *psDrmDev;
struct MRSTLFB_SWAPCHAIN_TAG *psNext;
struct MRSTLFB_DEVINFO_TAG *psDevInfo;
unsigned long ui32Height;
unsigned long ui32Width;
unsigned long ui32ByteStride;
} MRSTLFB_SWAPCHAIN;
typedef struct MRSTLFB_FBINFO_TAG
{
unsigned long ulFBSize;
unsigned long ulBufferSize;
unsigned long ulRoundedBufferSize;
unsigned long ulWidth;
unsigned long ulHeight;
unsigned long ulByteStride;
IMG_SYS_PHYADDR sSysAddr;
IMG_CPU_VIRTADDR sCPUVAddr;
IMG_DEV_VIRTADDR sDevVAddr;
PVRSRV_PIXEL_FORMAT ePixelFormat;
}MRSTLFB_FBINFO;
/**
* If DRI is enable then extemding drm_device
*/
typedef struct MRSTLFB_DEVINFO_TAG
{
unsigned int uiDeviceID;
struct drm_device *psDrmDevice;
MRSTLFB_BUFFER sSystemBuffer;
PVRSRV_DC_DISP2SRV_KMJTABLE sPVRJTable;
PVRSRV_DC_SRV2DISP_KMJTABLE sDCJTable;
unsigned long ulRefCount;
MRSTLFB_SWAPCHAIN *psCurrentSwapChain;
MRSTLFB_SWAPCHAIN *apsSwapChains[MAX_SWAPCHAINS];
IMG_UINT32 ui32SwapChainNum;
void *pvRegs;
unsigned long ulSetFlushStateRefCount;
MRST_BOOL bFlushCommands;
MRST_BOOL bBlanked;
struct fb_info *psLINFBInfo;
struct notifier_block sLINNotifBlock;
spinlock_t sSwapChainLock;
IMG_DEV_VIRTADDR sDisplayDevVAddr;
DISPLAY_INFO sDisplayInfo;
DISPLAY_FORMAT sDisplayFormat;
DISPLAY_DIMS sDisplayDim;
IMG_UINT32 ui32MainPipe;
MRST_BOOL bSuspended;
MRST_BOOL bLeaveVT;
unsigned long ulLastFlipAddr;
MRST_BOOL bLastFlipAddrValid;
} MRSTLFB_DEVINFO;
#if 0
#define MRSTLFB_PAGE_SIZE 4096
#define MRSTLFB_PAGE_MASK (MRSTLFB_PAGE_SIZE - 1)
#define MRSTLFB_PAGE_TRUNC (~MRSTLFB_PAGE_MASK)
#define MRSTLFB_PAGE_ROUNDUP(x) (((x) + MRSTLFB_PAGE_MASK) & MRSTLFB_PAGE_TRUNC)
#endif
#ifdef DEBUG
#define DEBUG_PRINTK(x) printk x
#else
#define DEBUG_PRINTK(x)
#endif
#define DISPLAY_DEVICE_NAME "PowerVR Cedartrail Linux Display Driver"
#define DRVNAME "cdvlfb"
#define DEVNAME DRVNAME
#define DRIVER_PREFIX DRVNAME
typedef enum _MRST_ERROR_
{
MRST_OK = 0,
MRST_ERROR_GENERIC = 1,
MRST_ERROR_OUT_OF_MEMORY = 2,
MRST_ERROR_TOO_FEW_BUFFERS = 3,
MRST_ERROR_INVALID_PARAMS = 4,
MRST_ERROR_INIT_FAILURE = 5,
MRST_ERROR_CANT_REGISTER_CALLBACK = 6,
MRST_ERROR_INVALID_DEVICE = 7,
MRST_ERROR_DEVICE_REGISTER_FAILED = 8
} MRST_ERROR;
#ifndef UNREFERENCED_PARAMETER
#define UNREFERENCED_PARAMETER(param) (param) = (param)
#endif
MRST_ERROR MRSTLFBInit(struct drm_device * dev);
MRST_ERROR MRSTLFBDeinit(void);
int MRSTLFBAllocBuffer(struct drm_device *dev, IMG_UINT32 ui32Size, MRSTLFB_BUFFER **ppBuffer);
int MRSTLFBFreeBuffer(struct drm_device *dev, MRSTLFB_BUFFER **ppBuffer);
void *MRSTLFBAllocKernelMem(unsigned long ulSize);
void MRSTLFBFreeKernelMem(void *pvMem);
MRST_ERROR MRSTLFBGetLibFuncAddr(char *szFunctionName, PFN_DC_GET_PVRJTABLE *ppfnFuncTable);
MRST_ERROR MRSTLFBInstallVSyncISR (MRSTLFB_DEVINFO *psDevInfo, MRSTLFB_VSYNC_ISR_PFN pVsyncHandler);
MRST_ERROR MRSTLFBUninstallVSyncISR(MRSTLFB_DEVINFO *psDevInfo);
void MRSTLFBEnableVSyncInterrupt(MRSTLFB_DEVINFO *psDevInfo);
void MRSTLFBDisableVSyncInterrupt(MRSTLFB_DEVINFO *psDevInfo);
void MRSTLFBFlipToSurface(MRSTLFB_DEVINFO *psDevInfo, unsigned long uiAddr);
void MRSTLFBSuspend(void);
void MRSTLFBResume(void);
#endif
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