/*************************************************************************/ /*!
@File           adf_ext.h
@Title          IMG extension ioctls and ioctl packages for ADF
@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.

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
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The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

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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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and replace them with the notice and other provisions required by GPL as set
out in the file called "GPL-COPYING" included in this distribution. If you do
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
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*/ /**************************************************************************/
/* vi: set ts=8: */

#ifndef __ADF_EXT_H__
#define __ADF_EXT_H__

#include <drm/drm.h>

#define ADF_BUFFER_TRANSFORM_NONE_EXT		(0 << 0)
#define ADF_BUFFER_TRANSFORM_FLIP_H_EXT		(1 << 0)
#define ADF_BUFFER_TRANSFORM_FLIP_V_EXT		(1 << 1)
#define ADF_BUFFER_TRANSFORM_ROT_90_EXT		(1 << 2)
#define ADF_BUFFER_TRANSFORM_ROT_180_EXT	((1 << 0) + (1 << 1))
#define ADF_BUFFER_TRANSFORM_ROT_270_EXT	((1 << 0) + (1 << 1) + (1 << 2))

#define ADF_BUFFER_BLENDING_NONE_EXT		0
#define ADF_BUFFER_BLENDING_PREMULT_EXT		1
#define ADF_BUFFER_BLENDING_COVERAGE_EXT	2

struct adf_buffer_config_ext {
	/* Crop applied to surface (BEFORE transformation) */
	struct drm_clip_rect	crop;

	/* Region of screen to display surface in (AFTER scaling) */
	struct drm_clip_rect	display;

	/* Surface rotation / flip / mirror */
	__u32			transform;

	/* Alpha blending mode e.g. none / premult / coverage */
	__u32			blend_type;

	/* Plane alpha */
	__u8			plane_alpha;
	__u8			reserved[3];
} __packed;

struct adf_post_ext {
	__u32	post_id;
	struct adf_buffer_config_ext bufs_ext[];
} __packed;

struct adf_validate_config_ext {
	__u32 n_interfaces;
	__u32 __user *interfaces;

	__u32 n_bufs;

	struct adf_buffer_config __user *bufs;
	struct adf_post_ext __user *post_ext;
} __packed;

#define ADF_IOCTL_NR_VALIDATE_IMG (ADF_IOCTL_NR_CUSTOM + 0)

#define ADF_VALIDATE_CONFIG_EXT \
	_IOW(ADF_IOCTL_TYPE, ADF_IOCTL_NR_VALIDATE_IMG, \
		struct adf_validate_config_ext)

#endif /* __ADF_EXT_H__ */