/* -*- mode: c; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
/* vi: set ts=8 sw=8 sts=8: */
/*************************************************************************/ /*!
@File
@Title          PDP DRM definitions shared between kernel and user space.
@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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*/ /**************************************************************************/

#if !defined(__PDP_DRM_H__)
#define __PDP_DRM_H__

#if defined(__KERNEL__)
#include <drm/drm.h>
#else
#include <drm.h>
#endif

struct drm_pdp_gem_create {
	__u64 size;	/* in */
	__u32 flags;	/* in */
	__u32 handle;	/* out */
};

struct drm_pdp_gem_mmap {
	__u32 handle;	/* in */
	__u32 pad;
	__u64 offset;	/* out */
};

#define PDP_GEM_CPU_PREP_READ	(1 << 0)
#define PDP_GEM_CPU_PREP_WRITE	(1 << 1)
#define PDP_GEM_CPU_PREP_NOWAIT	(1 << 2)

struct drm_pdp_gem_cpu_prep {
	__u32 handle;	/* in */
	__u32 flags;	/* in */
};

struct drm_pdp_gem_cpu_fini {
	__u32 handle;	/* in */
	__u32 pad;
};

/*
 * DRM command numbers, relative to DRM_COMMAND_BASE.
 * These defines must be prefixed with "DRM_".
 */
#define DRM_PDP_GEM_CREATE		0x00
#define DRM_PDP_GEM_MMAP		0x01
#define DRM_PDP_GEM_CPU_PREP		0x02
#define DRM_PDP_GEM_CPU_FINI		0x03

/* These defines must be prefixed with "DRM_IOCTL_". */
#define DRM_IOCTL_PDP_GEM_CREATE	DRM_IOWR(DRM_COMMAND_BASE + DRM_PDP_GEM_CREATE, struct drm_pdp_gem_create)
#define DRM_IOCTL_PDP_GEM_MMAP		DRM_IOWR(DRM_COMMAND_BASE + DRM_PDP_GEM_MMAP, struct drm_pdp_gem_mmap)
#define DRM_IOCTL_PDP_GEM_CPU_PREP	DRM_IOW(DRM_COMMAND_BASE + DRM_PDP_GEM_CPU_PREP, struct drm_pdp_gem_cpu_prep)
#define DRM_IOCTL_PDP_GEM_CPU_FINI	DRM_IOW(DRM_COMMAND_BASE + DRM_PDP_GEM_CPU_FINI, struct drm_pdp_gem_cpu_fini)

#endif /* defined(__PDP_DRM_H__) */