omap_drm.h (4027B)
1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2/* 3 * include/uapi/drm/omap_drm.h 4 * 5 * Copyright (C) 2011 Texas Instruments 6 * Author: Rob Clark <rob@ti.com> 7 * 8 * This program is free software; you can redistribute it and/or modify it 9 * under the terms of the GNU General Public License version 2 as published by 10 * the Free Software Foundation. 11 * 12 * This program is distributed in the hope that it will be useful, but WITHOUT 13 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 14 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 15 * more details. 16 * 17 * You should have received a copy of the GNU General Public License along with 18 * 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#endif 29 30/* Please note that modifications to all structs defined here are 31 * 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 0x00000001 43 44/* Buffer CPU caching mode: cached, write-combining or uncached. */ 45#define OMAP_BO_CACHED 0x00000000 46#define OMAP_BO_WC 0x00000002 47#define OMAP_BO_UNCACHED 0x00000004 48#define OMAP_BO_CACHE_MASK 0x00000006 49 50/* Use TILER for the buffer. The TILER container unit can be 8, 16 or 32 bits. */ 51#define OMAP_BO_TILED_8 0x00000100 52#define OMAP_BO_TILED_16 0x00000200 53#define OMAP_BO_TILED_32 0x00000300 54#define OMAP_BO_TILED_MASK 0x00000f00 55 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 touched 86 * 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 be 98 * different from the physical size (ie. how many pages are needed 99 * 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 to 101 * mmap() the buffer: 102 */ 103 __u32 size; /* virtual size for mmap'ing (out) */ 104 __u32 __pad; 105}; 106 107#define DRM_OMAP_GET_PARAM 0x00 108#define DRM_OMAP_SET_PARAM 0x01 109#define DRM_OMAP_GEM_NEW 0x03 110#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 0x06 113#define DRM_OMAP_NUM_IOCTLS 0x07 114 115#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#endif 125 126#endif /* __OMAP_DRM_H__ */