/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note *//* * include/uapi/drm/omap_drm.h * * Copyright (C) 2011 Texas Instruments * Author: Rob Clark <rob@ti.com> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 as published by * the Free Software Foundation. * * 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, see <http://www.gnu.org/licenses/>. */ #ifndef __OMAP_DRM_H__#define __OMAP_DRM_H__ #include "drm.h" #if defined(__cplusplus)extern "C" {#endif /* Please note that modifications to all structs defined here are * subject to backwards-compatibility constraints. */ #define OMAP_PARAM_CHIPSET_ID	1	/* ie. 0x3430, 0x4430, etc */ struct drm_omap_param {	__u64 param;			/* in */	__u64 value;			/* in (set_param), out (get_param) */}; /* Scanout buffer, consumable by DSS */#define OMAP_BO_SCANOUT		0x00000001 /* Buffer CPU caching mode: cached, write-combining or uncached. */#define OMAP_BO_CACHED		0x00000000#define OMAP_BO_WC		0x00000002#define OMAP_BO_UNCACHED	0x00000004#define OMAP_BO_CACHE_MASK	0x00000006 /* Use TILER for the buffer. The TILER container unit can be 8, 16 or 32 bits. */#define OMAP_BO_TILED_8		0x00000100#define OMAP_BO_TILED_16	0x00000200#define OMAP_BO_TILED_32	0x00000300#define OMAP_BO_TILED_MASK	0x00000f00 union omap_gem_size {	__u32 bytes;		/* (for non-tiled formats) */	struct {		__u16 width;		__u16 height;	} tiled;		/* (for tiled formats) */}; struct drm_omap_gem_new {	union omap_gem_size size;	/* in */	__u32 flags;			/* in */	__u32 handle;			/* out */	__u32 __pad;}; /* mask of operations: */enum omap_gem_op {	OMAP_GEM_READ = 0x01,	OMAP_GEM_WRITE = 0x02,}; struct drm_omap_gem_cpu_prep {	__u32 handle;			/* buffer handle (in) */	__u32 op;			/* mask of omap_gem_op (in) */}; struct drm_omap_gem_cpu_fini {	__u32 handle;			/* buffer handle (in) */	__u32 op;			/* mask of omap_gem_op (in) */	/* TODO maybe here we pass down info about what regions are touched	 * by sw so we can be clever about cache ops?  For now a placeholder,	 * set to zero and we just do full buffer flush..	 */	__u32 nregions;	__u32 __pad;}; struct drm_omap_gem_info {	__u32 handle;			/* buffer handle (in) */	__u32 pad;	__u64 offset;			/* mmap offset (out) */	/* note: in case of tiled buffers, the user virtual size can be	 * different from the physical size (ie. how many pages are needed	 * to back the object) which is returned in DRM_IOCTL_GEM_OPEN..	 * This size here is the one that should be used if you want to	 * mmap() the buffer:	 */	__u32 size;			/* virtual size for mmap'ing (out) */	__u32 __pad;}; #define DRM_OMAP_GET_PARAM		0x00#define DRM_OMAP_SET_PARAM		0x01#define DRM_OMAP_GEM_NEW		0x03#define DRM_OMAP_GEM_CPU_PREP		0x04	/* Deprecated, to be removed */#define DRM_OMAP_GEM_CPU_FINI		0x05	/* Deprecated, to be removed */#define DRM_OMAP_GEM_INFO		0x06#define DRM_OMAP_NUM_IOCTLS		0x07 #define DRM_IOCTL_OMAP_GET_PARAM	DRM_IOWR(DRM_COMMAND_BASE + DRM_OMAP_GET_PARAM, struct drm_omap_param)#define DRM_IOCTL_OMAP_SET_PARAM	DRM_IOW (DRM_COMMAND_BASE + DRM_OMAP_SET_PARAM, struct drm_omap_param)#define DRM_IOCTL_OMAP_GEM_NEW		DRM_IOWR(DRM_COMMAND_BASE + DRM_OMAP_GEM_NEW, struct drm_omap_gem_new)#define DRM_IOCTL_OMAP_GEM_CPU_PREP	DRM_IOW (DRM_COMMAND_BASE + DRM_OMAP_GEM_CPU_PREP, struct drm_omap_gem_cpu_prep)#define DRM_IOCTL_OMAP_GEM_CPU_FINI	DRM_IOW (DRM_COMMAND_BASE + DRM_OMAP_GEM_CPU_FINI, struct drm_omap_gem_cpu_fini)#define DRM_IOCTL_OMAP_GEM_INFO		DRM_IOWR(DRM_COMMAND_BASE + DRM_OMAP_GEM_INFO, struct drm_omap_gem_info) #if defined(__cplusplus)}#endif #endif /* __OMAP_DRM_H__ */