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/****************************************************************************
*
*    The MIT License (MIT)
*
*    Copyright (c) 2014 - 2018 Vivante Corporation
*
*    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 to use, copy, modify, merge, publish, distribute, sublicense,
*    and/or sell copies of the Software, and to permit persons to whom the
*    Software is furnished to do so, subject to the following conditions:
*
*    The above copyright notice and this permission notice shall be included in
*    all copies or substantial portions of the Software.
*
*    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
*    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
*    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
*    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
*    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
*    FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
*    DEALINGS IN THE SOFTWARE.
*
*****************************************************************************
*
*    The GPL License (GPL)
*
*    Copyright (C) 2014 - 2018 Vivante Corporation
*
*    This program is free software; you can redistribute it and/or
*    modify it under the terms of the GNU General Public License
*    as published by the Free Software Foundation; either version 2
*    of the License, or (at your option) any later version.
*
*    This program is distributed in the hope that it will be useful,
*    but WITHOUT ANY WARRANTY; without even the implied warranty of
*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
*    GNU General Public License for more details.
*
*    You should have received a copy of the GNU General Public License
*    along with this program; if not, write to the Free Software Foundation,
*    Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*****************************************************************************
*
*    Note: This software is released under dual MIT and GPL licenses. A
*    recipient may use this file under the terms of either the MIT license or
*    GPL License. If you wish to use only one license not the other, you can
*    indicate your decision by deleting one of the above license notices in your
*    version of this file.
*
*****************************************************************************/


#ifndef __VIVNATE_DRM_H__
#define __VIVNATE_DRM_H__

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

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

/* creation flag bits. */
#define DRM_VIV_GEM_CONTIGUOUS      (1u << 0)
#define DRM_VIV_GEM_CACHED          (1u << 1)
#define DRM_VIV_GEM_SECURE          (1u << 2)
#define DRM_VIV_GEM_CMA_LIMIT       (1u << 3)

struct drm_viv_gem_create {
    __u64 size;
    __u32 flags;
    __u32 handle;
};

struct drm_viv_gem_lock {
    __u32 handle;
    __u32 cacheable;
    __u64 logical;
};

struct drm_viv_gem_unlock {
    __u32 handle;
};


#define DRM_VIV_GEM_CLEAN_CACHE         0x01
#define DRM_VIV_GEM_INVALIDATE_CACHE    0x02
#define DRM_VIV_GEM_FLUSH_CACHE         0x03
#define DRM_VIV_GEM_MEMORY_BARRIER      0x04

struct drm_viv_gem_cache {
    __u32 handle;
    __u32 op;
    __u64 logical;
    __u64 bytes;
};


#define DRM_VIV_GEM_PARAM_POOL      0x00
#define DRM_VIV_GEM_PARAM_SIZE      0x01

struct drm_viv_gem_query {
    __u32 handle;
    __u32 param;
    __u64 value;
};


struct drm_viv_gem_timestamp {
    __u32 handle;
    /* inc count, 0 for query current. */
    __u32 inc;
    /* output inc'ed timestamp. */
    __u64 timestamp;
};


/* basic tiling mode. */
#define DRM_VIV_GEM_TILING_LINEAR       0x01
#define DRM_VIV_GEM_TILING_TILED        0x02
#define DRM_VIV_GEM_TILING_SUPERTILED   0x04
#define DRM_VIV_GEM_TILING_MINORTILED   0x08

/* tiling mode modifiers. */
#define DRM_VIV_GEM_TILING_SPLIT    0x10
#define DRM_VIV_GEM_TILING_X_MAJOR  0x20
#define DRM_VIV_GEM_TILING_Y_MAJOR  0x40
#define DRM_VIV_GEM_TILING_SWAP     0x80

/* ts mode. */
#define DRM_VIV_GEM_TS_NONE         0x00
#define DRM_VIV_GEM_TS_DISABLED     0x01
#define DRM_VIV_GEM_TS_NORMAL       0x02
#define DRM_VIV_GEM_TS_COMPRESSED   0x03

struct drm_viv_gem_set_tiling {
    __u32 handle;
    __u32 tiling_mode;

    __u32 ts_mode;
    __u64 clear_value;
};

struct drm_viv_gem_get_tiling {
    __u32 handle;
    __u32 tiling_mode;

    __u32 ts_mode;
    __u64 clear_value;
};


struct drm_viv_gem_attach_aux {
    __u32 handle;
    __u32 ts_handle;
};


struct drm_viv_gem_ref_node {
    __u32 handle;

    /* output. */
    __u32 node;
    __u32 ts_node;
};


#define DRM_VIV_GEM_CREATE          0x00
#define DRM_VIV_GEM_LOCK            0x01
#define DRM_VIV_GEM_UNLOCK          0x02
#define DRM_VIV_GEM_CACHE           0x03
#define DRM_VIV_GEM_QUERY           0x04
#define DRM_VIV_GEM_TIMESTAMP       0x05
#define DRM_VIV_GEM_SET_TILING      0x06
#define DRM_VIV_GEM_GET_TILING      0x07
#define DRM_VIV_GEM_ATTACH_AUX      0x08
#define DRM_VIV_GEM_REF_NODE        0x09
#define DRM_VIV_NUM_IOCTLS          0x0A

#define DRM_IOCTL_VIV_GEM_CREATE        DRM_IOWR(DRM_COMMAND_BASE + DRM_VIV_GEM_CREATE,     struct drm_viv_gem_create)
#define DRM_IOCTL_VIV_GEM_LOCK          DRM_IOWR(DRM_COMMAND_BASE + DRM_VIV_GEM_LOCK,       struct drm_viv_gem_lock)
#define DRM_IOCTL_VIV_GEM_UNLOCK        DRM_IOWR(DRM_COMMAND_BASE + DRM_VIV_GEM_UNLOCK,     struct drm_viv_gem_unlock)
#define DRM_IOCTL_VIV_GEM_CACHE         DRM_IOWR(DRM_COMMAND_BASE + DRM_VIV_GEM_CACHE,      struct drm_viv_gem_cache)
#define DRM_IOCTL_VIV_GEM_QUERY         DRM_IOWR(DRM_COMMAND_BASE + DRM_VIV_GEM_QUERY,      struct drm_viv_gem_query)
#define DRM_IOCTL_VIV_GEM_TIMESTAMP     DRM_IOWR(DRM_COMMAND_BASE + DRM_VIV_GEM_TIMESTAMP,  struct drm_viv_gem_timestamp)
#define DRM_IOCTL_VIV_GEM_SET_TILING    DRM_IOWR(DRM_COMMAND_BASE + DRM_VIV_GEM_SET_TILING, struct drm_viv_gem_set_tiling)
#define DRM_IOCTL_VIV_GEM_GET_TILING    DRM_IOWR(DRM_COMMAND_BASE + DRM_VIV_GEM_GET_TILING, struct drm_viv_gem_get_tiling)
#define DRM_IOCTL_VIV_GEM_ATTACH_AUX    DRM_IOWR(DRM_COMMAND_BASE + DRM_VIV_GEM_ATTACH_AUX, struct drm_viv_gem_attach_aux)
#define DRM_IOCTL_VIV_GEM_REF_NODE      DRM_IOWR(DRM_COMMAND_BASE + DRM_VIV_GEM_REF_NODE,   struct drm_viv_gem_ref_node)

#if defined(__cplusplus)
}
#endif

#endif /* __VIVNATE_DRM_H__ */