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편집 파일: omap_drm.h

/* 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__ */