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/*
* Copyright (C) 2010 NVIDIA Corporation
* Author: Dan Willemsen <dwillemsen@nvidia.com>
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* 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.
*
*/
#ifndef __LINUX_TEGRA_OVERLAY_H
#define __LINUX_TEGRA_OVERLAY_H
#include <linux/ioctl.h>
#include <linux/types.h>
#include <video/tegrafb.h>
#define TEGRA_FB_WIN_BLEND_NONE 0
#define TEGRA_FB_WIN_BLEND_PREMULT 1
#define TEGRA_FB_WIN_BLEND_COVERAGE 2
#define TEGRA_FB_WIN_FLAG_INVERT_H (1 << 0)
#define TEGRA_FB_WIN_FLAG_INVERT_V (1 << 1)
#define TEGRA_FB_WIN_FLAG_TILED (1 << 2)
/* set index to -1 to ignore window data */
struct tegra_overlay_windowattr {
__s32 index;
__u32 buff_id;
__u32 blend;
__u32 offset;
__u32 offset_u;
__u32 offset_v;
__u32 stride;
__u32 stride_uv;
__u32 pixformat;
__u32 x;
__u32 y;
__u32 w;
__u32 h;
__u32 out_x;
__u32 out_y;
__u32 out_w;
__u32 out_h;
__u32 z;
__u32 pre_syncpt_id;
__u32 pre_syncpt_val;
__u32 hfilter;
__u32 vfilter;
__u32 do_not_use__tiled; /* compatibility */
__u32 flags;
};
#define TEGRA_OVERLAY_FLIP_FLAG_BLEND_REORDER (1 << 0)
#define TEGRA_FB_FLIP_N_WINDOWS 3
struct tegra_overlay_flip_args {
struct tegra_overlay_windowattr win[TEGRA_FB_FLIP_N_WINDOWS];
__u32 post_syncpt_id;
__u32 post_syncpt_val;
__u32 flags;
};
#define TEGRA_OVERLAY_IOCTL_MAGIC 'O'
#define TEGRA_OVERLAY_IOCTL_OPEN_WINDOW _IOWR(TEGRA_OVERLAY_IOCTL_MAGIC, 0x40, __u32)
#define TEGRA_OVERLAY_IOCTL_CLOSE_WINDOW _IOW(TEGRA_OVERLAY_IOCTL_MAGIC, 0x41, __u32)
#define TEGRA_OVERLAY_IOCTL_FLIP _IOW(TEGRA_OVERLAY_IOCTL_MAGIC, 0x42, struct tegra_overlay_flip_args)
#define TEGRA_OVERLAY_IOCTL_SET_NVMAP_FD _IOW(TEGRA_OVERLAY_IOCTL_MAGIC, 0x43, __u32)
#define TEGRA_OVERLAY_IOCTL_MIN_NR _IOC_NR(TEGRA_OVERLAY_IOCTL_OPEN_WINDOW)
#define TEGRA_OVERLAY_IOCTL_MAX_NR _IOC_NR(TEGRA_OVERLAY_IOCTL_SET_NVMAP_FD)
#endif
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