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

/*************************************************************************/ /*!
@File
@Title          RGX Common Types and Defines Header
@Copyright      Copyright (c) Imagination Technologies Ltd. All Rights Reserved
@Description	Common types and definitions for RGX software
@License        Dual MIT/GPLv2

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

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
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The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

Alternatively, the contents of this file may be used under the terms of
the GNU General Public License Version 2 ("GPL") in which case the provisions
of GPL are applicable instead of those above.

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not delete the provisions above, a recipient may use your version of this file
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This License is also included in this distribution in the file called
"MIT-COPYING".

EXCEPT AS OTHERWISE STATED IN A NEGOTIATED AGREEMENT: (A) THE SOFTWARE IS
PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
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*/ /**************************************************************************/
#ifndef RGX_COMMON_H_
#define RGX_COMMON_H_

#if defined (__cplusplus)
extern "C" {
#endif

#include "img_defs.h"

/* Included to get the BVNC_KM_N defined and other feature defs */
#include "km/rgxdefs_km.h"

/*! This macro represents a mask of LSBs that must be zero on data structure
 * sizes and offsets to ensure they are 8-byte granular on types shared between
 * the FW and host driver */
#define RGX_FW_ALIGNMENT_LSB (7)

/*! Macro to test structure size alignment */
#define RGX_FW_STRUCT_SIZE_ASSERT(_a)	\
	static_assert((sizeof(_a) & RGX_FW_ALIGNMENT_LSB) == 0,	\
				  "Size of " #_a " is not properly aligned")

/*! Macro to test structure member alignment */
#define RGX_FW_STRUCT_OFFSET_ASSERT(_a, _b)	\
	static_assert((offsetof(_a, _b) & RGX_FW_ALIGNMENT_LSB) == 0,	\
				  "Offset of " #_a "." #_b " is not properly aligned")


/* The following enum assumes only one of RGX_FEATURE_TLA or RGX_FEATURE_FASTRENDER_DM feature
 * is present. In case this is no more true, fail build to fix code */
#if defined (RGX_FEATURE_TLA) && defined (RGX_FEATURE_FASTRENDER_DM)
#error "Both RGX_FEATURE_TLA and RGX_FEATURE_FASTRENDER_DM defined. Fix code to handle this!"
#endif

/*! The master definition for data masters known to the firmware of RGX.
 * When a new DM is added to this enum, relevant entry should be added to
 * RGX_HWPERF_DM enum list.
 * The DM in a V1 HWPerf packet uses this definition. */
typedef enum _RGXFWIF_DM_
{
	RGXFWIF_DM_GP			= 0,

	/* Either TDM or 2D DM is present. The above build time error is present to verify this */
	RGXFWIF_DM_2D			= 1, /* when RGX_FEATURE_TLA defined */
	RGXFWIF_DM_TDM			= 1, /* when RGX_FEATURE_FASTRENDER_DM defined */

	RGXFWIF_DM_TA			= 2,
	RGXFWIF_DM_3D			= 3,
	RGXFWIF_DM_CDM			= 4,

	/* present on Ray cores only */
	RGXFWIF_DM_RTU			= 5,
	RGXFWIF_DM_SHG			= 6,

	RGXFWIF_DM_LAST,

	RGXFWIF_DM_FORCE_I32  = 0x7fffffff   /*!< Force enum to be at least 32-bits wide */
} RGXFWIF_DM;

typedef enum _RGX_KICK_TYPE_DM_
{
	RGX_KICK_TYPE_DM_GP			= 1 << 0,
	RGX_KICK_TYPE_DM_TDM_2D		= 1 << 1,
	RGX_KICK_TYPE_DM_TA			= 1 << 2,
	RGX_KICK_TYPE_DM_3D			= 1 << 3,
	RGX_KICK_TYPE_DM_CDM		= 1 << 4,
	RGX_KICK_TYPE_DM_RTU		= 1 << 5,
	RGX_KICK_TYPE_DM_SHG		= 1 << 6,
	RGX_KICK_TYPE_DM_TQ2D		= 1 << 7,
	RGX_KICK_TYPE_DM_TQ3D		= 1 << 8,
	RGX_KICK_TYPE_DM_LAST		= 1 << 9
} RGX_KICK_TYPE_DM;

/* Maximum number of DM in use: GP, 2D/TDM, TA, 3D, CDM, SHG, RTU */
#define RGXFWIF_DM_DEFAULT_MAX	(7)

#if !defined(__KERNEL__)
#if defined(RGX_FEATURE_RAY_TRACING)
#define RGXFWIF_DM_MAX_MTS 8
#else
#define RGXFWIF_DM_MAX_MTS 6
#endif

#if defined(RGX_FEATURE_RAY_TRACING)
/* Maximum number of DM in use: GP, 2D/TDM, TA, 3D, CDM, SHG, RTU */
#define RGXFWIF_DM_MAX			(7)
#else
/* Maximum number of DM in use: GP, 2D/TDM, TA, 3D, CDM*/
#define RGXFWIF_DM_MAX			(5)
#endif
#define RGXFWIF_HWDM_MAX		(RGXFWIF_DM_MAX)
#else
	#define RGXFWIF_DM_MIN_MTS_CNT (6)
	#define RGXFWIF_RAY_TRACING_DM_MTS_CNT (2)
	#define RGXFWIF_DM_MIN_CNT			(5)
	#define RGXFWIF_RAY_TRACING_DM_CNT	(2)
	#define RGXFWIF_DM_MAX	(RGXFWIF_DM_MIN_CNT + RGXFWIF_RAY_TRACING_DM_CNT)
#endif

/* Min/Max number of HW DMs (all but GP) */
#if defined(RGX_FEATURE_TLA)
#define RGXFWIF_HWDM_MIN		(1)
#else
#if defined(RGX_FEATURE_FASTRENDER_DM)
#define RGXFWIF_HWDM_MIN		(1)
#else
#define RGXFWIF_HWDM_MIN		(2)
#endif
#endif

/*!
 ******************************************************************************
 * RGXFW Compiler alignment definitions
 *****************************************************************************/
#if defined(__GNUC__) || defined(HAS_GNUC_ATTRIBUTES)
#define RGXFW_ALIGN			__attribute__ ((aligned (8)))
#elif defined(_MSC_VER)
#define RGXFW_ALIGN			__declspec(align(8))
#pragma warning (disable : 4324)
#else
#error "Align MACROS need to be defined for this compiler"
#endif

/*!
 ******************************************************************************
 * Force 8-byte alignment for structures allocated uncached.
 *****************************************************************************/
#define UNCACHED_ALIGN      RGXFW_ALIGN

#if defined (__cplusplus)
}
#endif

#endif /* RGX_COMMON_H_ */

/******************************************************************************
 End of file
******************************************************************************/