drivers/gpu/drm/img-rogue/pvrsrv_device.h

/**************************************************************************/ /*!
@File
@Copyright      Copyright (c) Imagination Technologies Ltd. All Rights Reserved
@License        Dual MIT/GPLv2

The contents of this file are subject to the MIT license as set out below.

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*/ /***************************************************************************/

#ifndef __PVRSRV_DEVICE_H__
#define __PVRSRV_DEVICE_H__

#include "img_types.h"
#include "physheap.h"
#include "pvrsrv_error.h"
#include "rgx_fwif_km.h"
#include "servicesext.h"

#if defined(PVR_DVFS) || defined(SUPPORT_PDVFS)
#include "pvr_dvfs.h"
#endif

typedef struct _PVRSRV_DEVICE_CONFIG_ PVRSRV_DEVICE_CONFIG;

/*
 * All the heaps from which regular device memory allocations can be made in
 * terms of their locality to the respective device.
 */
typedef enum
{
	PVRSRV_DEVICE_PHYS_HEAP_GPU_LOCAL = 0,
	PVRSRV_DEVICE_PHYS_HEAP_CPU_LOCAL = 1,
	PVRSRV_DEVICE_PHYS_HEAP_FW_LOCAL = 2,
	PVRSRV_DEVICE_PHYS_HEAP_LAST
} PVRSRV_DEVICE_PHYS_HEAP;

typedef enum
{
	PVRSRV_DEVICE_LOCAL_MEMORY_ARENA_MAPPABLE = 0,
	PVRSRV_DEVICE_LOCAL_MEMORY_ARENA_NON_MAPPABLE = 1,
	PVRSRV_DEVICE_LOCAL_MEMORY_ARENA_LAST
} PVRSRV_DEVICE_LOCAL_MEMORY_ARENA;

typedef enum _PVRSRV_DEVICE_SNOOP_MODE_
{
	PVRSRV_DEVICE_SNOOP_NONE = 0,
	PVRSRV_DEVICE_SNOOP_CPU_ONLY,
	PVRSRV_DEVICE_SNOOP_DEVICE_ONLY,
	PVRSRV_DEVICE_SNOOP_CROSS,
} PVRSRV_DEVICE_SNOOP_MODE;

typedef IMG_UINT32
(*PFN_SYS_DEV_CLK_FREQ_GET)(IMG_HANDLE hSysData);

typedef PVRSRV_ERROR
(*PFN_SYS_DEV_PRE_POWER)(IMG_HANDLE hSysData,
						 PVRSRV_DEV_POWER_STATE eNewPowerState,
						 PVRSRV_DEV_POWER_STATE eCurrentPowerState,
						 IMG_BOOL bForced);

typedef PVRSRV_ERROR
(*PFN_SYS_DEV_POST_POWER)(IMG_HANDLE hSysData,
						  PVRSRV_DEV_POWER_STATE eNewPowerState,
						  PVRSRV_DEV_POWER_STATE eCurrentPowerState,
						  IMG_BOOL bForced);

typedef void
(*PFN_SYS_DEV_INTERRUPT_HANDLED)(PVRSRV_DEVICE_CONFIG *psDevConfig);

typedef PVRSRV_ERROR
(*PFN_SYS_DEV_CHECK_MEM_ALLOC_SIZE)(IMG_HANDLE hSysData,
									IMG_UINT64 ui64MemSize);

typedef void (*PFN_SYS_DEV_FEAT_DEP_INIT)(PVRSRV_DEVICE_CONFIG *, IMG_UINT64);

#if defined(SUPPORT_TRUSTED_DEVICE)

#define PVRSRV_DEVICE_FW_CODE_REGION          (0)
#define PVRSRV_DEVICE_FW_COREMEM_CODE_REGION  (1)

typedef struct _PVRSRV_TD_FW_PARAMS_
{
	const void *pvFirmware;
	IMG_UINT32 ui32FirmwareSize;
	IMG_DEV_VIRTADDR sFWCodeDevVAddrBase;
	IMG_DEV_VIRTADDR sFWDataDevVAddrBase;
	RGXFWIF_DEV_VIRTADDR sFWCorememCodeFWAddr;
	RGXFWIF_DEV_VIRTADDR sFWInitFWAddr;
} PVRSRV_TD_FW_PARAMS;

typedef PVRSRV_ERROR
(*PFN_TD_SEND_FW_IMAGE)(IMG_HANDLE hSysData,
						PVRSRV_TD_FW_PARAMS *psTDFWParams);

typedef struct _PVRSRV_TD_POWER_PARAMS_
{
	IMG_DEV_PHYADDR sPCAddr; /* META only used param */

	/* MIPS only used fields */
	IMG_DEV_PHYADDR sGPURegAddr;
	IMG_DEV_PHYADDR sBootRemapAddr;
	IMG_DEV_PHYADDR sCodeRemapAddr;
	IMG_DEV_PHYADDR sDataRemapAddr;
} PVRSRV_TD_POWER_PARAMS;

typedef PVRSRV_ERROR
(*PFN_TD_SET_POWER_PARAMS)(IMG_HANDLE hSysData,
						   PVRSRV_TD_POWER_PARAMS *psTDPowerParams);

typedef PVRSRV_ERROR
(*PFN_TD_RGXSTART)(IMG_HANDLE hSysData);

typedef PVRSRV_ERROR
(*PFN_TD_RGXSTOP)(IMG_HANDLE hSysData);

typedef struct _PVRSRV_TD_SECBUF_PARAMS_
{
	IMG_DEVMEM_SIZE_T uiSize;
	IMG_DEVMEM_ALIGN_T uiAlign;
	IMG_CPU_PHYADDR *psSecBufAddr;
	IMG_UINT64 *pui64SecBufHandle;
} PVRSRV_TD_SECBUF_PARAMS;

typedef PVRSRV_ERROR
(*PFN_TD_SECUREBUF_ALLOC)(IMG_HANDLE hSysData,
						  PVRSRV_TD_SECBUF_PARAMS *psTDSecBufParams);

typedef PVRSRV_ERROR
(*PFN_TD_SECUREBUF_FREE)(IMG_HANDLE hSysData,
						 IMG_UINT64 ui64SecBufHandle);
#endif /* defined(SUPPORT_TRUSTED_DEVICE) */

struct _PVRSRV_DEVICE_CONFIG_
{
	/*! OS device passed to SysDevInit (linux: 'struct device') */
	void *pvOSDevice;

	/*!
	 *! Service representation of pvOSDevice. Should be set to NULL when the
	 *! config is created in SysDevInit. Set by Services once a device node has
	 *! been created for this config and unset before SysDevDeInit is called.
	 */
	struct _PVRSRV_DEVICE_NODE_ *psDevNode;

	/*! Name of the device */
	IMG_CHAR *pszName;

	/*! Version of the device (optional) */
	IMG_CHAR *pszVersion;

	/*! Register bank address */
	IMG_CPU_PHYADDR sRegsCpuPBase;
	/*! Register bank size */
	IMG_UINT32 ui32RegsSize;
	/*! Device interrupt number */
	IMG_UINT32 ui32IRQ;

	PVRSRV_DEVICE_SNOOP_MODE eCacheSnoopingMode;

	/*! Device specific data handle */
	IMG_HANDLE hDevData;

	/*! System specific data that gets passed into system callback functions. */
	IMG_HANDLE hSysData;

	IMG_BOOL bHasNonMappableLocalMemory;

	PHYS_HEAP_CONFIG *pasPhysHeaps;
	IMG_UINT32 ui32PhysHeapCount;

	/*!
	 *! ID of the Physical memory heap to use.
	 *!
	 *! The first entry (aui32PhysHeapID[PVRSRV_DEVICE_PHYS_HEAP_GPU_LOCAL])
	 *! will be used for allocations where the PVRSRV_MEMALLOCFLAG_CPU_LOCAL
	 *! flag is not set. Normally this will be the PhysHeapID of an LMA heap
	 *! but the configuration could specify a UMA heap here (if desired).
	 *!
	 *! The second entry (aui32PhysHeapID[PVRSRV_DEVICE_PHYS_HEAP_CPU_LOCAL])
	 *! will be used for allocations where the PVRSRV_MEMALLOCFLAG_CPU_LOCAL
	 *! flag is set. Normally this will be the PhysHeapID of a UMA heap but
	 *! the configuration could specify an LMA heap here (if desired).
	 *!
	 *! The third entry (aui32PhysHeapID[PVRSRV_DEVICE_PHYS_HEAP_FW_LOCAL])
	 *! will be used for allocations where the PVRSRV_MEMALLOCFLAG_FW_LOCAL
	 *! flag is set.
	 *!
	 *! In the event of there being only one Physical Heap, the configuration
	 *! should specify the same heap details in all entries.
	 */
	IMG_UINT32 aui32PhysHeapID[PVRSRV_DEVICE_PHYS_HEAP_LAST];

	RGXFWIF_BIFTILINGMODE eBIFTilingMode;
	IMG_UINT32 *pui32BIFTilingHeapConfigs;
	IMG_UINT32 ui32BIFTilingHeapCount;

	/*!
	 *! Callbacks to change system device power state at the beginning and end
	 *! of a power state change (optional).
	 */
	PFN_SYS_DEV_PRE_POWER pfnPrePowerState;
	PFN_SYS_DEV_POST_POWER pfnPostPowerState;

	/*! Callback to obtain the clock frequency from the device (optional). */
	PFN_SYS_DEV_CLK_FREQ_GET pfnClockFreqGet;

	/*!
	 *! Callback to handle memory budgeting. Can be used to reject allocations
	 *! over a certain size (optional).
	 */
	PFN_SYS_DEV_CHECK_MEM_ALLOC_SIZE pfnCheckMemAllocSize;

#if defined(SUPPORT_TRUSTED_DEVICE)
	/*!
	 *! Callback to send FW image and FW boot time parameters to the trusted
	 *! device.
	 */
	PFN_TD_SEND_FW_IMAGE pfnTDSendFWImage;

	/*!
	 *! Callback to send parameters needed in a power transition to the trusted
	 *! device.
	 */
	PFN_TD_SET_POWER_PARAMS pfnTDSetPowerParams;

	/*! Callbacks to ping the trusted device to securely run RGXStart/Stop() */
	PFN_TD_RGXSTART pfnTDRGXStart;
	PFN_TD_RGXSTOP pfnTDRGXStop;

	/*! Callback to request allocation/freeing of secure buffers */
	PFN_TD_SECUREBUF_ALLOC pfnTDSecureBufAlloc;
	PFN_TD_SECUREBUF_FREE pfnTDSecureBufFree;
#endif /* defined(SUPPORT_TRUSTED_DEVICE) */

	/*! Function that does device feature specific system layer initialisation */
	PFN_SYS_DEV_FEAT_DEP_INIT	pfnSysDevFeatureDepInit;

#if defined(PVR_DVFS) || defined(SUPPORT_PDVFS)
	PVRSRV_DVFS sDVFS;
#endif
};

#endif /* __PVRSRV_DEVICE_H__*/