127 lines · c
1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */2/*3 * include/uapi/drm/omap_drm.h4 *5 * Copyright (C) 2011 Texas Instruments6 * Author: Rob Clark <rob@ti.com>7 *8 * This program is free software; you can redistribute it and/or modify it9 * under the terms of the GNU General Public License version 2 as published by10 * the Free Software Foundation.11 *12 * This program is distributed in the hope that it will be useful, but WITHOUT13 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or14 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for15 * more details.16 *17 * You should have received a copy of the GNU General Public License along with18 * this program. If not, see <http://www.gnu.org/licenses/>.19 */20 21#ifndef __OMAP_DRM_H__22#define __OMAP_DRM_H__23 24#include "drm.h"25 26#if defined(__cplusplus)27extern "C" {28#endif29 30/* Please note that modifications to all structs defined here are31 * subject to backwards-compatibility constraints.32 */33 34#define OMAP_PARAM_CHIPSET_ID 1 /* ie. 0x3430, 0x4430, etc */35 36struct drm_omap_param {37 __u64 param; /* in */38 __u64 value; /* in (set_param), out (get_param) */39};40 41/* Scanout buffer, consumable by DSS */42#define OMAP_BO_SCANOUT 0x0000000143 44/* Buffer CPU caching mode: cached, write-combining or uncached. */45#define OMAP_BO_CACHED 0x0000000046#define OMAP_BO_WC 0x0000000247#define OMAP_BO_UNCACHED 0x0000000448#define OMAP_BO_CACHE_MASK 0x0000000649 50/* Use TILER for the buffer. The TILER container unit can be 8, 16 or 32 bits. */51#define OMAP_BO_TILED_8 0x0000010052#define OMAP_BO_TILED_16 0x0000020053#define OMAP_BO_TILED_32 0x0000030054#define OMAP_BO_TILED_MASK 0x00000f0055 56union omap_gem_size {57 __u32 bytes; /* (for non-tiled formats) */58 struct {59 __u16 width;60 __u16 height;61 } tiled; /* (for tiled formats) */62};63 64struct drm_omap_gem_new {65 union omap_gem_size size; /* in */66 __u32 flags; /* in */67 __u32 handle; /* out */68 __u32 __pad;69};70 71/* mask of operations: */72enum omap_gem_op {73 OMAP_GEM_READ = 0x01,74 OMAP_GEM_WRITE = 0x02,75};76 77struct drm_omap_gem_cpu_prep {78 __u32 handle; /* buffer handle (in) */79 __u32 op; /* mask of omap_gem_op (in) */80};81 82struct drm_omap_gem_cpu_fini {83 __u32 handle; /* buffer handle (in) */84 __u32 op; /* mask of omap_gem_op (in) */85 /* TODO maybe here we pass down info about what regions are touched86 * by sw so we can be clever about cache ops? For now a placeholder,87 * set to zero and we just do full buffer flush..88 */89 __u32 nregions;90 __u32 __pad;91};92 93struct drm_omap_gem_info {94 __u32 handle; /* buffer handle (in) */95 __u32 pad;96 __u64 offset; /* mmap offset (out) */97 /* note: in case of tiled buffers, the user virtual size can be98 * different from the physical size (ie. how many pages are needed99 * to back the object) which is returned in DRM_IOCTL_GEM_OPEN..100 * This size here is the one that should be used if you want to101 * mmap() the buffer:102 */103 __u32 size; /* virtual size for mmap'ing (out) */104 __u32 __pad;105};106 107#define DRM_OMAP_GET_PARAM 0x00108#define DRM_OMAP_SET_PARAM 0x01109#define DRM_OMAP_GEM_NEW 0x03110#define DRM_OMAP_GEM_CPU_PREP 0x04 /* Deprecated, to be removed */111#define DRM_OMAP_GEM_CPU_FINI 0x05 /* Deprecated, to be removed */112#define DRM_OMAP_GEM_INFO 0x06113#define DRM_OMAP_NUM_IOCTLS 0x07114 115#define DRM_IOCTL_OMAP_GET_PARAM DRM_IOWR(DRM_COMMAND_BASE + DRM_OMAP_GET_PARAM, struct drm_omap_param)116#define DRM_IOCTL_OMAP_SET_PARAM DRM_IOW (DRM_COMMAND_BASE + DRM_OMAP_SET_PARAM, struct drm_omap_param)117#define DRM_IOCTL_OMAP_GEM_NEW DRM_IOWR(DRM_COMMAND_BASE + DRM_OMAP_GEM_NEW, struct drm_omap_gem_new)118#define DRM_IOCTL_OMAP_GEM_CPU_PREP DRM_IOW (DRM_COMMAND_BASE + DRM_OMAP_GEM_CPU_PREP, struct drm_omap_gem_cpu_prep)119#define DRM_IOCTL_OMAP_GEM_CPU_FINI DRM_IOW (DRM_COMMAND_BASE + DRM_OMAP_GEM_CPU_FINI, struct drm_omap_gem_cpu_fini)120#define DRM_IOCTL_OMAP_GEM_INFO DRM_IOWR(DRM_COMMAND_BASE + DRM_OMAP_GEM_INFO, struct drm_omap_gem_info)121 122#if defined(__cplusplus)123}124#endif125 126#endif /* __OMAP_DRM_H__ */127