drivers/misc/mediatek/gpu/gpu_rgx/m1.11_5516664/system/pci_support.h

/*************************************************************************/ /*!
@File
@Copyright      Copyright (c) Imagination Technologies Ltd. All Rights Reserved
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*/ /**************************************************************************/

#ifndef __PCI_SUPPORT_H__
#define __PCI_SUPPORT_H__

#include "img_types.h"
#include "img_defs.h"
#include "pvrsrv_error.h"

#if defined(LINUX)
#include <linux/pci.h>
#define TO_PCI_COOKIE(dev) to_pci_dev((struct device *)(dev))
#else
#define TO_PCI_COOKIE(dev) (dev)
#endif

typedef enum _HOST_PCI_INIT_FLAGS_
{
	HOST_PCI_INIT_FLAG_BUS_MASTER	= 0x00000001,
	HOST_PCI_INIT_FLAG_MSI		= 0x00000002,
	HOST_PCI_INIT_FLAG_FORCE_I32 	= 0x7fffffff
} HOST_PCI_INIT_FLAGS;

struct _PVRSRV_PCI_DEV_OPAQUE_STRUCT_;
typedef struct _PVRSRV_PCI_DEV_OPAQUE_STRUCT_ *PVRSRV_PCI_DEV_HANDLE;

PVRSRV_PCI_DEV_HANDLE OSPCIAcquireDev(IMG_UINT16 ui16VendorID, IMG_UINT16 ui16DeviceID, HOST_PCI_INIT_FLAGS eFlags);
PVRSRV_PCI_DEV_HANDLE OSPCISetDev(void *pvPCICookie, HOST_PCI_INIT_FLAGS eFlags);
PVRSRV_ERROR OSPCIReleaseDev(PVRSRV_PCI_DEV_HANDLE hPVRPCI);
PVRSRV_ERROR OSPCIIRQ(PVRSRV_PCI_DEV_HANDLE hPVRPCI, IMG_UINT32 *pui32IRQ);
IMG_UINT64 OSPCIAddrRangeLen(PVRSRV_PCI_DEV_HANDLE hPVRPCI, IMG_UINT32 ui32Index);
IMG_UINT64 OSPCIAddrRangeStart(PVRSRV_PCI_DEV_HANDLE hPVRPCI, IMG_UINT32 ui32Index);
IMG_UINT64 OSPCIAddrRangeEnd(PVRSRV_PCI_DEV_HANDLE hPVRPCI, IMG_UINT32 ui32Index);
PVRSRV_ERROR OSPCIRequestAddrRange(PVRSRV_PCI_DEV_HANDLE hPVRPCI, IMG_UINT32 ui32Index);
PVRSRV_ERROR OSPCIReleaseAddrRange(PVRSRV_PCI_DEV_HANDLE hPVRPCI, IMG_UINT32 ui32Index);
PVRSRV_ERROR OSPCIRequestAddrRegion(PVRSRV_PCI_DEV_HANDLE hPVRPCI, IMG_UINT32 ui32Index, IMG_UINT64 uiOffset, IMG_UINT64 uiLength);
PVRSRV_ERROR OSPCIReleaseAddrRegion(PVRSRV_PCI_DEV_HANDLE hPVRPCI, IMG_UINT32 ui32Index, IMG_UINT64 uiOffset, IMG_UINT64 uiLength);
PVRSRV_ERROR OSPCISuspendDev(PVRSRV_PCI_DEV_HANDLE hPVRPCI);
PVRSRV_ERROR OSPCIResumeDev(PVRSRV_PCI_DEV_HANDLE hPVRPCI);
PVRSRV_ERROR OSPCIGetVendorDeviceIDs(PVRSRV_PCI_DEV_HANDLE hPVRPCI, IMG_UINT16 *pui16VendorID, IMG_UINT16 *pui16DeviceID);

#if defined(CONFIG_MTRR)
PVRSRV_ERROR OSPCIClearResourceMTRRs(PVRSRV_PCI_DEV_HANDLE hPVRPCI, IMG_UINT32 ui32Index);
void OSPCIReleaseResourceMTRRs(PVRSRV_PCI_DEV_HANDLE hPVRPCI, IMG_UINT32 ui32Index);
#else
static inline PVRSRV_ERROR OSPCIClearResourceMTRRs(PVRSRV_PCI_DEV_HANDLE hPVRPCI, IMG_UINT32 ui32Index)
{
	PVR_UNREFERENCED_PARAMETER(hPVRPCI);
	PVR_UNREFERENCED_PARAMETER(ui32Index);
	return PVRSRV_OK;
}

static inline void OSPCIReleaseResourceMTRRs(PVRSRV_PCI_DEV_HANDLE hPVRPCI, IMG_UINT32 ui32Index)
{
	PVR_UNREFERENCED_PARAMETER(hPVRPCI);
	PVR_UNREFERENCED_PARAMETER(ui32Index);
}
#endif

#endif /* __PCI_SUPPORT_H__ */