diff options
| author | Dan Willemsen <dwillemsen@nvidia.com> | 2011-01-24 02:07:05 -0800 |
|---|---|---|
| committer | Varun Colbert <vcolbert@nvidia.com> | 2011-01-27 17:17:53 -0800 |
| commit | 2a2f0d7f6cb8c708dceb9c980693772fed4ec000 (patch) | |
| tree | b18a7a63fb4e71a45087e19a167902109cc3151c /include | |
| parent | 399d6b57202df9e41b5de6fc78f2357d88d5216c (diff) | |
video: tegra: Multi client overlay management
This creates a new device node per head - /dev/tegra_dc%u. There are a
number of ioctls in linux/tegra_overlay.h to open, close, and flip
overlays.
This is a replacement for the extensions in the tegra fb interface, but
does not remove that functionality for compatibility reasons. Once
everyone has moved, we can remove the tegra fb extensions.
Change-Id: Id78a94482637a7ce229ec64eb5feaf2dec2b7804
Reviewed-on: http://git-master/r/16700
Reviewed-by: Daniel Willemsen <dwillemsen@nvidia.com>
Tested-by: Daniel Willemsen <dwillemsen@nvidia.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/tegra_overlay.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/include/linux/tegra_overlay.h b/include/linux/tegra_overlay.h new file mode 100644 index 000000000000..673a40f832c0 --- /dev/null +++ b/include/linux/tegra_overlay.h @@ -0,0 +1,67 @@ +/* + * 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> + +/* 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 tiled; + __u32 flags; +}; + +struct tegra_overlay_flip_args { + struct tegra_overlay_windowattr win[TEGRA_FB_FLIP_N_WINDOWS]; + __u32 post_syncpt_id; + __u32 post_syncpt_val; +}; + +#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 |