forked from Minki/linux
a96bf3cbd7
This reverts commit23b4822528. This patch does not have an acceptable open source userspace implementation, and as such it does not meet the requirements for adding new UAPI. Discussion is in the Link. Link: https://lists.freedesktop.org/archives/dri-devel/2019-October/240586.html Fixes:23b4822528("drm/omap: add OMAP_BO flags to affect buffer allocation") Cc: Tomi Valkeinen <tomi.valkeinen@ti.com> Cc: Jean-Jacques Hiblot <jjhiblot@ti.com> Cc: David Airlie <airlied@linux.ie> Cc: Daniel Vetter <daniel@ffwll.ch> Cc: dri-devel@lists.freedesktop.org Acked-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Acked-by: Daniel Vetter <daniel@ffwll.ch> Signed-off-by: Sean Paul <seanpaul@chromium.org> Link: https://patchwork.freedesktop.org/patch/msgid/20191022204733.235801-1-sean@poorly.run
127 lines
3.9 KiB
C
127 lines
3.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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/*
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* include/uapi/drm/omap_drm.h
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*
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* Copyright (C) 2011 Texas Instruments
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* Author: Rob Clark <rob@ti.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published by
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* the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __OMAP_DRM_H__
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#define __OMAP_DRM_H__
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#include "drm.h"
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#if defined(__cplusplus)
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extern "C" {
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#endif
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/* Please note that modifications to all structs defined here are
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* subject to backwards-compatibility constraints.
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*/
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#define OMAP_PARAM_CHIPSET_ID 1 /* ie. 0x3430, 0x4430, etc */
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struct drm_omap_param {
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__u64 param; /* in */
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__u64 value; /* in (set_param), out (get_param) */
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};
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/* Scanout buffer, consumable by DSS */
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#define OMAP_BO_SCANOUT 0x00000001
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/* Buffer CPU caching mode: cached, write-combining or uncached. */
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#define OMAP_BO_CACHED 0x00000000
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#define OMAP_BO_WC 0x00000002
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#define OMAP_BO_UNCACHED 0x00000004
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#define OMAP_BO_CACHE_MASK 0x00000006
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/* Use TILER for the buffer. The TILER container unit can be 8, 16 or 32 bits. */
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#define OMAP_BO_TILED_8 0x00000100
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#define OMAP_BO_TILED_16 0x00000200
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#define OMAP_BO_TILED_32 0x00000300
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#define OMAP_BO_TILED_MASK 0x00000f00
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union omap_gem_size {
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__u32 bytes; /* (for non-tiled formats) */
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struct {
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__u16 width;
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__u16 height;
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} tiled; /* (for tiled formats) */
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};
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struct drm_omap_gem_new {
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union omap_gem_size size; /* in */
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__u32 flags; /* in */
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__u32 handle; /* out */
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__u32 __pad;
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};
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/* mask of operations: */
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enum omap_gem_op {
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OMAP_GEM_READ = 0x01,
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OMAP_GEM_WRITE = 0x02,
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};
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struct drm_omap_gem_cpu_prep {
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__u32 handle; /* buffer handle (in) */
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__u32 op; /* mask of omap_gem_op (in) */
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};
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struct drm_omap_gem_cpu_fini {
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__u32 handle; /* buffer handle (in) */
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__u32 op; /* mask of omap_gem_op (in) */
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/* TODO maybe here we pass down info about what regions are touched
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* by sw so we can be clever about cache ops? For now a placeholder,
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* set to zero and we just do full buffer flush..
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*/
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__u32 nregions;
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__u32 __pad;
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};
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struct drm_omap_gem_info {
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__u32 handle; /* buffer handle (in) */
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__u32 pad;
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__u64 offset; /* mmap offset (out) */
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/* note: in case of tiled buffers, the user virtual size can be
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* different from the physical size (ie. how many pages are needed
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* to back the object) which is returned in DRM_IOCTL_GEM_OPEN..
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* This size here is the one that should be used if you want to
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* mmap() the buffer:
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*/
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__u32 size; /* virtual size for mmap'ing (out) */
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__u32 __pad;
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};
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#define DRM_OMAP_GET_PARAM 0x00
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#define DRM_OMAP_SET_PARAM 0x01
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#define DRM_OMAP_GEM_NEW 0x03
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#define DRM_OMAP_GEM_CPU_PREP 0x04 /* Deprecated, to be removed */
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#define DRM_OMAP_GEM_CPU_FINI 0x05 /* Deprecated, to be removed */
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#define DRM_OMAP_GEM_INFO 0x06
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#define DRM_OMAP_NUM_IOCTLS 0x07
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#define DRM_IOCTL_OMAP_GET_PARAM DRM_IOWR(DRM_COMMAND_BASE + DRM_OMAP_GET_PARAM, struct drm_omap_param)
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#define DRM_IOCTL_OMAP_SET_PARAM DRM_IOW (DRM_COMMAND_BASE + DRM_OMAP_SET_PARAM, struct drm_omap_param)
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#define DRM_IOCTL_OMAP_GEM_NEW DRM_IOWR(DRM_COMMAND_BASE + DRM_OMAP_GEM_NEW, struct drm_omap_gem_new)
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#define DRM_IOCTL_OMAP_GEM_CPU_PREP DRM_IOW (DRM_COMMAND_BASE + DRM_OMAP_GEM_CPU_PREP, struct drm_omap_gem_cpu_prep)
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#define DRM_IOCTL_OMAP_GEM_CPU_FINI DRM_IOW (DRM_COMMAND_BASE + DRM_OMAP_GEM_CPU_FINI, struct drm_omap_gem_cpu_fini)
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#define DRM_IOCTL_OMAP_GEM_INFO DRM_IOWR(DRM_COMMAND_BASE + DRM_OMAP_GEM_INFO, struct drm_omap_gem_info)
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#if defined(__cplusplus)
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}
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#endif
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#endif /* __OMAP_DRM_H__ */
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