13ae0415dSArnaldo Carvalho de Melo /* 2c1737f2bSArnaldo Carvalho de Melo * Header for the Direct Rendering Manager 3c1737f2bSArnaldo Carvalho de Melo * 43ae0415dSArnaldo Carvalho de Melo * Author: Rickard E. (Rik) Faith <faith@valinux.com> 5c1737f2bSArnaldo Carvalho de Melo * 63ae0415dSArnaldo Carvalho de Melo * Acknowledgments: 73ae0415dSArnaldo Carvalho de Melo * Dec 1999, Richard Henderson <rth@twiddle.net>, move to generic cmpxchg. 8c1737f2bSArnaldo Carvalho de Melo */ 9c1737f2bSArnaldo Carvalho de Melo 10c1737f2bSArnaldo Carvalho de Melo /* 11c1737f2bSArnaldo Carvalho de Melo * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. 12c1737f2bSArnaldo Carvalho de Melo * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. 13c1737f2bSArnaldo Carvalho de Melo * All rights reserved. 14c1737f2bSArnaldo Carvalho de Melo * 15c1737f2bSArnaldo Carvalho de Melo * Permission is hereby granted, free of charge, to any person obtaining a 16c1737f2bSArnaldo Carvalho de Melo * copy of this software and associated documentation files (the "Software"), 17c1737f2bSArnaldo Carvalho de Melo * to deal in the Software without restriction, including without limitation 18c1737f2bSArnaldo Carvalho de Melo * the rights to use, copy, modify, merge, publish, distribute, sublicense, 19c1737f2bSArnaldo Carvalho de Melo * and/or sell copies of the Software, and to permit persons to whom the 20c1737f2bSArnaldo Carvalho de Melo * Software is furnished to do so, subject to the following conditions: 21c1737f2bSArnaldo Carvalho de Melo * 22c1737f2bSArnaldo Carvalho de Melo * The above copyright notice and this permission notice (including the next 23c1737f2bSArnaldo Carvalho de Melo * paragraph) shall be included in all copies or substantial portions of the 24c1737f2bSArnaldo Carvalho de Melo * Software. 25c1737f2bSArnaldo Carvalho de Melo * 26c1737f2bSArnaldo Carvalho de Melo * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 27c1737f2bSArnaldo Carvalho de Melo * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 28c1737f2bSArnaldo Carvalho de Melo * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 29c1737f2bSArnaldo Carvalho de Melo * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 30c1737f2bSArnaldo Carvalho de Melo * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 31c1737f2bSArnaldo Carvalho de Melo * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 32c1737f2bSArnaldo Carvalho de Melo * OTHER DEALINGS IN THE SOFTWARE. 33c1737f2bSArnaldo Carvalho de Melo */ 34c1737f2bSArnaldo Carvalho de Melo 35c1737f2bSArnaldo Carvalho de Melo #ifndef _DRM_H_ 36c1737f2bSArnaldo Carvalho de Melo #define _DRM_H_ 37c1737f2bSArnaldo Carvalho de Melo 38c1737f2bSArnaldo Carvalho de Melo #if defined(__KERNEL__) 39c1737f2bSArnaldo Carvalho de Melo 40c1737f2bSArnaldo Carvalho de Melo #include <linux/types.h> 41c1737f2bSArnaldo Carvalho de Melo #include <asm/ioctl.h> 42c1737f2bSArnaldo Carvalho de Melo typedef unsigned int drm_handle_t; 43c1737f2bSArnaldo Carvalho de Melo 44c1737f2bSArnaldo Carvalho de Melo #elif defined(__linux__) 45c1737f2bSArnaldo Carvalho de Melo 46c1737f2bSArnaldo Carvalho de Melo #include <linux/types.h> 47c1737f2bSArnaldo Carvalho de Melo #include <asm/ioctl.h> 48c1737f2bSArnaldo Carvalho de Melo typedef unsigned int drm_handle_t; 49c1737f2bSArnaldo Carvalho de Melo 50c1737f2bSArnaldo Carvalho de Melo #else /* One of the BSDs */ 51c1737f2bSArnaldo Carvalho de Melo 5295dc663aSArnaldo Carvalho de Melo #include <stdint.h> 53c1737f2bSArnaldo Carvalho de Melo #include <sys/ioccom.h> 54c1737f2bSArnaldo Carvalho de Melo #include <sys/types.h> 55c1737f2bSArnaldo Carvalho de Melo typedef int8_t __s8; 56c1737f2bSArnaldo Carvalho de Melo typedef uint8_t __u8; 57c1737f2bSArnaldo Carvalho de Melo typedef int16_t __s16; 58c1737f2bSArnaldo Carvalho de Melo typedef uint16_t __u16; 59c1737f2bSArnaldo Carvalho de Melo typedef int32_t __s32; 60c1737f2bSArnaldo Carvalho de Melo typedef uint32_t __u32; 61c1737f2bSArnaldo Carvalho de Melo typedef int64_t __s64; 62c1737f2bSArnaldo Carvalho de Melo typedef uint64_t __u64; 63c1737f2bSArnaldo Carvalho de Melo typedef size_t __kernel_size_t; 64c1737f2bSArnaldo Carvalho de Melo typedef unsigned long drm_handle_t; 65c1737f2bSArnaldo Carvalho de Melo 66c1737f2bSArnaldo Carvalho de Melo #endif 67c1737f2bSArnaldo Carvalho de Melo 68c1737f2bSArnaldo Carvalho de Melo #if defined(__cplusplus) 69c1737f2bSArnaldo Carvalho de Melo extern "C" { 70c1737f2bSArnaldo Carvalho de Melo #endif 71c1737f2bSArnaldo Carvalho de Melo 72c1737f2bSArnaldo Carvalho de Melo #define DRM_NAME "drm" /**< Name in kernel, /dev, and /proc */ 73c1737f2bSArnaldo Carvalho de Melo #define DRM_MIN_ORDER 5 /**< At least 2^5 bytes = 32 bytes */ 74c1737f2bSArnaldo Carvalho de Melo #define DRM_MAX_ORDER 22 /**< Up to 2^22 bytes = 4MB */ 75c1737f2bSArnaldo Carvalho de Melo #define DRM_RAM_PERCENT 10 /**< How much system ram can we lock? */ 76c1737f2bSArnaldo Carvalho de Melo 77c1737f2bSArnaldo Carvalho de Melo #define _DRM_LOCK_HELD 0x80000000U /**< Hardware lock is held */ 78c1737f2bSArnaldo Carvalho de Melo #define _DRM_LOCK_CONT 0x40000000U /**< Hardware lock is contended */ 79c1737f2bSArnaldo Carvalho de Melo #define _DRM_LOCK_IS_HELD(lock) ((lock) & _DRM_LOCK_HELD) 80c1737f2bSArnaldo Carvalho de Melo #define _DRM_LOCK_IS_CONT(lock) ((lock) & _DRM_LOCK_CONT) 81c1737f2bSArnaldo Carvalho de Melo #define _DRM_LOCKING_CONTEXT(lock) ((lock) & ~(_DRM_LOCK_HELD|_DRM_LOCK_CONT)) 82c1737f2bSArnaldo Carvalho de Melo 83c1737f2bSArnaldo Carvalho de Melo typedef unsigned int drm_context_t; 84c1737f2bSArnaldo Carvalho de Melo typedef unsigned int drm_drawable_t; 85c1737f2bSArnaldo Carvalho de Melo typedef unsigned int drm_magic_t; 86c1737f2bSArnaldo Carvalho de Melo 873ae0415dSArnaldo Carvalho de Melo /* 88c1737f2bSArnaldo Carvalho de Melo * Cliprect. 89c1737f2bSArnaldo Carvalho de Melo * 90c1737f2bSArnaldo Carvalho de Melo * \warning: If you change this structure, make sure you change 91c1737f2bSArnaldo Carvalho de Melo * XF86DRIClipRectRec in the server as well 92c1737f2bSArnaldo Carvalho de Melo * 93c1737f2bSArnaldo Carvalho de Melo * \note KW: Actually it's illegal to change either for 94c1737f2bSArnaldo Carvalho de Melo * backwards-compatibility reasons. 95c1737f2bSArnaldo Carvalho de Melo */ 96c1737f2bSArnaldo Carvalho de Melo struct drm_clip_rect { 97c1737f2bSArnaldo Carvalho de Melo unsigned short x1; 98c1737f2bSArnaldo Carvalho de Melo unsigned short y1; 99c1737f2bSArnaldo Carvalho de Melo unsigned short x2; 100c1737f2bSArnaldo Carvalho de Melo unsigned short y2; 101c1737f2bSArnaldo Carvalho de Melo }; 102c1737f2bSArnaldo Carvalho de Melo 1033ae0415dSArnaldo Carvalho de Melo /* 104c1737f2bSArnaldo Carvalho de Melo * Drawable information. 105c1737f2bSArnaldo Carvalho de Melo */ 106c1737f2bSArnaldo Carvalho de Melo struct drm_drawable_info { 107c1737f2bSArnaldo Carvalho de Melo unsigned int num_rects; 108c1737f2bSArnaldo Carvalho de Melo struct drm_clip_rect *rects; 109c1737f2bSArnaldo Carvalho de Melo }; 110c1737f2bSArnaldo Carvalho de Melo 1113ae0415dSArnaldo Carvalho de Melo /* 112c1737f2bSArnaldo Carvalho de Melo * Texture region, 113c1737f2bSArnaldo Carvalho de Melo */ 114c1737f2bSArnaldo Carvalho de Melo struct drm_tex_region { 115c1737f2bSArnaldo Carvalho de Melo unsigned char next; 116c1737f2bSArnaldo Carvalho de Melo unsigned char prev; 117c1737f2bSArnaldo Carvalho de Melo unsigned char in_use; 118c1737f2bSArnaldo Carvalho de Melo unsigned char padding; 119c1737f2bSArnaldo Carvalho de Melo unsigned int age; 120c1737f2bSArnaldo Carvalho de Melo }; 121c1737f2bSArnaldo Carvalho de Melo 1223ae0415dSArnaldo Carvalho de Melo /* 123c1737f2bSArnaldo Carvalho de Melo * Hardware lock. 124c1737f2bSArnaldo Carvalho de Melo * 125c1737f2bSArnaldo Carvalho de Melo * The lock structure is a simple cache-line aligned integer. To avoid 126c1737f2bSArnaldo Carvalho de Melo * processor bus contention on a multiprocessor system, there should not be any 127c1737f2bSArnaldo Carvalho de Melo * other data stored in the same cache line. 128c1737f2bSArnaldo Carvalho de Melo */ 129c1737f2bSArnaldo Carvalho de Melo struct drm_hw_lock { 130c1737f2bSArnaldo Carvalho de Melo __volatile__ unsigned int lock; /**< lock variable */ 131c1737f2bSArnaldo Carvalho de Melo char padding[60]; /**< Pad to cache line */ 132c1737f2bSArnaldo Carvalho de Melo }; 133c1737f2bSArnaldo Carvalho de Melo 1343ae0415dSArnaldo Carvalho de Melo /* 135c1737f2bSArnaldo Carvalho de Melo * DRM_IOCTL_VERSION ioctl argument type. 136c1737f2bSArnaldo Carvalho de Melo * 137c1737f2bSArnaldo Carvalho de Melo * \sa drmGetVersion(). 138c1737f2bSArnaldo Carvalho de Melo */ 139c1737f2bSArnaldo Carvalho de Melo struct drm_version { 140c1737f2bSArnaldo Carvalho de Melo int version_major; /**< Major version */ 141c1737f2bSArnaldo Carvalho de Melo int version_minor; /**< Minor version */ 142c1737f2bSArnaldo Carvalho de Melo int version_patchlevel; /**< Patch level */ 143c1737f2bSArnaldo Carvalho de Melo __kernel_size_t name_len; /**< Length of name buffer */ 144c1737f2bSArnaldo Carvalho de Melo char __user *name; /**< Name of driver */ 145c1737f2bSArnaldo Carvalho de Melo __kernel_size_t date_len; /**< Length of date buffer */ 146c1737f2bSArnaldo Carvalho de Melo char __user *date; /**< User-space buffer to hold date */ 147c1737f2bSArnaldo Carvalho de Melo __kernel_size_t desc_len; /**< Length of desc buffer */ 148c1737f2bSArnaldo Carvalho de Melo char __user *desc; /**< User-space buffer to hold desc */ 149c1737f2bSArnaldo Carvalho de Melo }; 150c1737f2bSArnaldo Carvalho de Melo 1513ae0415dSArnaldo Carvalho de Melo /* 152c1737f2bSArnaldo Carvalho de Melo * DRM_IOCTL_GET_UNIQUE ioctl argument type. 153c1737f2bSArnaldo Carvalho de Melo * 154c1737f2bSArnaldo Carvalho de Melo * \sa drmGetBusid() and drmSetBusId(). 155c1737f2bSArnaldo Carvalho de Melo */ 156c1737f2bSArnaldo Carvalho de Melo struct drm_unique { 157c1737f2bSArnaldo Carvalho de Melo __kernel_size_t unique_len; /**< Length of unique */ 158c1737f2bSArnaldo Carvalho de Melo char __user *unique; /**< Unique name for driver instantiation */ 159c1737f2bSArnaldo Carvalho de Melo }; 160c1737f2bSArnaldo Carvalho de Melo 161c1737f2bSArnaldo Carvalho de Melo struct drm_list { 162c1737f2bSArnaldo Carvalho de Melo int count; /**< Length of user-space structures */ 163c1737f2bSArnaldo Carvalho de Melo struct drm_version __user *version; 164c1737f2bSArnaldo Carvalho de Melo }; 165c1737f2bSArnaldo Carvalho de Melo 166c1737f2bSArnaldo Carvalho de Melo struct drm_block { 167c1737f2bSArnaldo Carvalho de Melo int unused; 168c1737f2bSArnaldo Carvalho de Melo }; 169c1737f2bSArnaldo Carvalho de Melo 1703ae0415dSArnaldo Carvalho de Melo /* 171c1737f2bSArnaldo Carvalho de Melo * DRM_IOCTL_CONTROL ioctl argument type. 172c1737f2bSArnaldo Carvalho de Melo * 173c1737f2bSArnaldo Carvalho de Melo * \sa drmCtlInstHandler() and drmCtlUninstHandler(). 174c1737f2bSArnaldo Carvalho de Melo */ 175c1737f2bSArnaldo Carvalho de Melo struct drm_control { 176c1737f2bSArnaldo Carvalho de Melo enum { 177c1737f2bSArnaldo Carvalho de Melo DRM_ADD_COMMAND, 178c1737f2bSArnaldo Carvalho de Melo DRM_RM_COMMAND, 179c1737f2bSArnaldo Carvalho de Melo DRM_INST_HANDLER, 180c1737f2bSArnaldo Carvalho de Melo DRM_UNINST_HANDLER 181c1737f2bSArnaldo Carvalho de Melo } func; 182c1737f2bSArnaldo Carvalho de Melo int irq; 183c1737f2bSArnaldo Carvalho de Melo }; 184c1737f2bSArnaldo Carvalho de Melo 1853ae0415dSArnaldo Carvalho de Melo /* 186c1737f2bSArnaldo Carvalho de Melo * Type of memory to map. 187c1737f2bSArnaldo Carvalho de Melo */ 188c1737f2bSArnaldo Carvalho de Melo enum drm_map_type { 189c1737f2bSArnaldo Carvalho de Melo _DRM_FRAME_BUFFER = 0, /**< WC (no caching), no core dump */ 190c1737f2bSArnaldo Carvalho de Melo _DRM_REGISTERS = 1, /**< no caching, no core dump */ 191c1737f2bSArnaldo Carvalho de Melo _DRM_SHM = 2, /**< shared, cached */ 192c1737f2bSArnaldo Carvalho de Melo _DRM_AGP = 3, /**< AGP/GART */ 193c1737f2bSArnaldo Carvalho de Melo _DRM_SCATTER_GATHER = 4, /**< Scatter/gather memory for PCI DMA */ 194c1737f2bSArnaldo Carvalho de Melo _DRM_CONSISTENT = 5 /**< Consistent memory for PCI DMA */ 195c1737f2bSArnaldo Carvalho de Melo }; 196c1737f2bSArnaldo Carvalho de Melo 1973ae0415dSArnaldo Carvalho de Melo /* 198c1737f2bSArnaldo Carvalho de Melo * Memory mapping flags. 199c1737f2bSArnaldo Carvalho de Melo */ 200c1737f2bSArnaldo Carvalho de Melo enum drm_map_flags { 201c1737f2bSArnaldo Carvalho de Melo _DRM_RESTRICTED = 0x01, /**< Cannot be mapped to user-virtual */ 202c1737f2bSArnaldo Carvalho de Melo _DRM_READ_ONLY = 0x02, 203c1737f2bSArnaldo Carvalho de Melo _DRM_LOCKED = 0x04, /**< shared, cached, locked */ 204c1737f2bSArnaldo Carvalho de Melo _DRM_KERNEL = 0x08, /**< kernel requires access */ 205c1737f2bSArnaldo Carvalho de Melo _DRM_WRITE_COMBINING = 0x10, /**< use write-combining if available */ 206c1737f2bSArnaldo Carvalho de Melo _DRM_CONTAINS_LOCK = 0x20, /**< SHM page that contains lock */ 207c1737f2bSArnaldo Carvalho de Melo _DRM_REMOVABLE = 0x40, /**< Removable mapping */ 208c1737f2bSArnaldo Carvalho de Melo _DRM_DRIVER = 0x80 /**< Managed by driver */ 209c1737f2bSArnaldo Carvalho de Melo }; 210c1737f2bSArnaldo Carvalho de Melo 211c1737f2bSArnaldo Carvalho de Melo struct drm_ctx_priv_map { 212c1737f2bSArnaldo Carvalho de Melo unsigned int ctx_id; /**< Context requesting private mapping */ 213c1737f2bSArnaldo Carvalho de Melo void *handle; /**< Handle of map */ 214c1737f2bSArnaldo Carvalho de Melo }; 215c1737f2bSArnaldo Carvalho de Melo 2163ae0415dSArnaldo Carvalho de Melo /* 217c1737f2bSArnaldo Carvalho de Melo * DRM_IOCTL_GET_MAP, DRM_IOCTL_ADD_MAP and DRM_IOCTL_RM_MAP ioctls 218c1737f2bSArnaldo Carvalho de Melo * argument type. 219c1737f2bSArnaldo Carvalho de Melo * 220c1737f2bSArnaldo Carvalho de Melo * \sa drmAddMap(). 221c1737f2bSArnaldo Carvalho de Melo */ 222c1737f2bSArnaldo Carvalho de Melo struct drm_map { 223c1737f2bSArnaldo Carvalho de Melo unsigned long offset; /**< Requested physical address (0 for SAREA)*/ 224c1737f2bSArnaldo Carvalho de Melo unsigned long size; /**< Requested physical size (bytes) */ 225c1737f2bSArnaldo Carvalho de Melo enum drm_map_type type; /**< Type of memory to map */ 226c1737f2bSArnaldo Carvalho de Melo enum drm_map_flags flags; /**< Flags */ 227c1737f2bSArnaldo Carvalho de Melo void *handle; /**< User-space: "Handle" to pass to mmap() */ 228c1737f2bSArnaldo Carvalho de Melo /**< Kernel-space: kernel-virtual address */ 229c1737f2bSArnaldo Carvalho de Melo int mtrr; /**< MTRR slot used */ 230c1737f2bSArnaldo Carvalho de Melo /* Private data */ 231c1737f2bSArnaldo Carvalho de Melo }; 232c1737f2bSArnaldo Carvalho de Melo 2333ae0415dSArnaldo Carvalho de Melo /* 234c1737f2bSArnaldo Carvalho de Melo * DRM_IOCTL_GET_CLIENT ioctl argument type. 235c1737f2bSArnaldo Carvalho de Melo */ 236c1737f2bSArnaldo Carvalho de Melo struct drm_client { 237c1737f2bSArnaldo Carvalho de Melo int idx; /**< Which client desired? */ 238c1737f2bSArnaldo Carvalho de Melo int auth; /**< Is client authenticated? */ 239c1737f2bSArnaldo Carvalho de Melo unsigned long pid; /**< Process ID */ 240c1737f2bSArnaldo Carvalho de Melo unsigned long uid; /**< User ID */ 241c1737f2bSArnaldo Carvalho de Melo unsigned long magic; /**< Magic */ 242c1737f2bSArnaldo Carvalho de Melo unsigned long iocs; /**< Ioctl count */ 243c1737f2bSArnaldo Carvalho de Melo }; 244c1737f2bSArnaldo Carvalho de Melo 245c1737f2bSArnaldo Carvalho de Melo enum drm_stat_type { 246c1737f2bSArnaldo Carvalho de Melo _DRM_STAT_LOCK, 247c1737f2bSArnaldo Carvalho de Melo _DRM_STAT_OPENS, 248c1737f2bSArnaldo Carvalho de Melo _DRM_STAT_CLOSES, 249c1737f2bSArnaldo Carvalho de Melo _DRM_STAT_IOCTLS, 250c1737f2bSArnaldo Carvalho de Melo _DRM_STAT_LOCKS, 251c1737f2bSArnaldo Carvalho de Melo _DRM_STAT_UNLOCKS, 252c1737f2bSArnaldo Carvalho de Melo _DRM_STAT_VALUE, /**< Generic value */ 253c1737f2bSArnaldo Carvalho de Melo _DRM_STAT_BYTE, /**< Generic byte counter (1024bytes/K) */ 254c1737f2bSArnaldo Carvalho de Melo _DRM_STAT_COUNT, /**< Generic non-byte counter (1000/k) */ 255c1737f2bSArnaldo Carvalho de Melo 256c1737f2bSArnaldo Carvalho de Melo _DRM_STAT_IRQ, /**< IRQ */ 257c1737f2bSArnaldo Carvalho de Melo _DRM_STAT_PRIMARY, /**< Primary DMA bytes */ 258c1737f2bSArnaldo Carvalho de Melo _DRM_STAT_SECONDARY, /**< Secondary DMA bytes */ 259c1737f2bSArnaldo Carvalho de Melo _DRM_STAT_DMA, /**< DMA */ 260c1737f2bSArnaldo Carvalho de Melo _DRM_STAT_SPECIAL, /**< Special DMA (e.g., priority or polled) */ 261c1737f2bSArnaldo Carvalho de Melo _DRM_STAT_MISSED /**< Missed DMA opportunity */ 262c1737f2bSArnaldo Carvalho de Melo /* Add to the *END* of the list */ 263c1737f2bSArnaldo Carvalho de Melo }; 264c1737f2bSArnaldo Carvalho de Melo 2653ae0415dSArnaldo Carvalho de Melo /* 266c1737f2bSArnaldo Carvalho de Melo * DRM_IOCTL_GET_STATS ioctl argument type. 267c1737f2bSArnaldo Carvalho de Melo */ 268c1737f2bSArnaldo Carvalho de Melo struct drm_stats { 269c1737f2bSArnaldo Carvalho de Melo unsigned long count; 270c1737f2bSArnaldo Carvalho de Melo struct { 271c1737f2bSArnaldo Carvalho de Melo unsigned long value; 272c1737f2bSArnaldo Carvalho de Melo enum drm_stat_type type; 273c1737f2bSArnaldo Carvalho de Melo } data[15]; 274c1737f2bSArnaldo Carvalho de Melo }; 275c1737f2bSArnaldo Carvalho de Melo 2763ae0415dSArnaldo Carvalho de Melo /* 277c1737f2bSArnaldo Carvalho de Melo * Hardware locking flags. 278c1737f2bSArnaldo Carvalho de Melo */ 279c1737f2bSArnaldo Carvalho de Melo enum drm_lock_flags { 280c1737f2bSArnaldo Carvalho de Melo _DRM_LOCK_READY = 0x01, /**< Wait until hardware is ready for DMA */ 281c1737f2bSArnaldo Carvalho de Melo _DRM_LOCK_QUIESCENT = 0x02, /**< Wait until hardware quiescent */ 282c1737f2bSArnaldo Carvalho de Melo _DRM_LOCK_FLUSH = 0x04, /**< Flush this context's DMA queue first */ 283c1737f2bSArnaldo Carvalho de Melo _DRM_LOCK_FLUSH_ALL = 0x08, /**< Flush all DMA queues first */ 284c1737f2bSArnaldo Carvalho de Melo /* These *HALT* flags aren't supported yet 285c1737f2bSArnaldo Carvalho de Melo -- they will be used to support the 286c1737f2bSArnaldo Carvalho de Melo full-screen DGA-like mode. */ 287c1737f2bSArnaldo Carvalho de Melo _DRM_HALT_ALL_QUEUES = 0x10, /**< Halt all current and future queues */ 288c1737f2bSArnaldo Carvalho de Melo _DRM_HALT_CUR_QUEUES = 0x20 /**< Halt all current queues */ 289c1737f2bSArnaldo Carvalho de Melo }; 290c1737f2bSArnaldo Carvalho de Melo 2913ae0415dSArnaldo Carvalho de Melo /* 292c1737f2bSArnaldo Carvalho de Melo * DRM_IOCTL_LOCK, DRM_IOCTL_UNLOCK and DRM_IOCTL_FINISH ioctl argument type. 293c1737f2bSArnaldo Carvalho de Melo * 294c1737f2bSArnaldo Carvalho de Melo * \sa drmGetLock() and drmUnlock(). 295c1737f2bSArnaldo Carvalho de Melo */ 296c1737f2bSArnaldo Carvalho de Melo struct drm_lock { 297c1737f2bSArnaldo Carvalho de Melo int context; 298c1737f2bSArnaldo Carvalho de Melo enum drm_lock_flags flags; 299c1737f2bSArnaldo Carvalho de Melo }; 300c1737f2bSArnaldo Carvalho de Melo 3013ae0415dSArnaldo Carvalho de Melo /* 302c1737f2bSArnaldo Carvalho de Melo * DMA flags 303c1737f2bSArnaldo Carvalho de Melo * 304c1737f2bSArnaldo Carvalho de Melo * \warning 305c1737f2bSArnaldo Carvalho de Melo * These values \e must match xf86drm.h. 306c1737f2bSArnaldo Carvalho de Melo * 307c1737f2bSArnaldo Carvalho de Melo * \sa drm_dma. 308c1737f2bSArnaldo Carvalho de Melo */ 309c1737f2bSArnaldo Carvalho de Melo enum drm_dma_flags { 310c1737f2bSArnaldo Carvalho de Melo /* Flags for DMA buffer dispatch */ 311c1737f2bSArnaldo Carvalho de Melo _DRM_DMA_BLOCK = 0x01, /**< 312c1737f2bSArnaldo Carvalho de Melo * Block until buffer dispatched. 313c1737f2bSArnaldo Carvalho de Melo * 314c1737f2bSArnaldo Carvalho de Melo * \note The buffer may not yet have 315c1737f2bSArnaldo Carvalho de Melo * been processed by the hardware -- 316c1737f2bSArnaldo Carvalho de Melo * getting a hardware lock with the 317c1737f2bSArnaldo Carvalho de Melo * hardware quiescent will ensure 318c1737f2bSArnaldo Carvalho de Melo * that the buffer has been 319c1737f2bSArnaldo Carvalho de Melo * processed. 320c1737f2bSArnaldo Carvalho de Melo */ 321c1737f2bSArnaldo Carvalho de Melo _DRM_DMA_WHILE_LOCKED = 0x02, /**< Dispatch while lock held */ 322c1737f2bSArnaldo Carvalho de Melo _DRM_DMA_PRIORITY = 0x04, /**< High priority dispatch */ 323c1737f2bSArnaldo Carvalho de Melo 324c1737f2bSArnaldo Carvalho de Melo /* Flags for DMA buffer request */ 325c1737f2bSArnaldo Carvalho de Melo _DRM_DMA_WAIT = 0x10, /**< Wait for free buffers */ 326c1737f2bSArnaldo Carvalho de Melo _DRM_DMA_SMALLER_OK = 0x20, /**< Smaller-than-requested buffers OK */ 327c1737f2bSArnaldo Carvalho de Melo _DRM_DMA_LARGER_OK = 0x40 /**< Larger-than-requested buffers OK */ 328c1737f2bSArnaldo Carvalho de Melo }; 329c1737f2bSArnaldo Carvalho de Melo 3303ae0415dSArnaldo Carvalho de Melo /* 331c1737f2bSArnaldo Carvalho de Melo * DRM_IOCTL_ADD_BUFS and DRM_IOCTL_MARK_BUFS ioctl argument type. 332c1737f2bSArnaldo Carvalho de Melo * 333c1737f2bSArnaldo Carvalho de Melo * \sa drmAddBufs(). 334c1737f2bSArnaldo Carvalho de Melo */ 335c1737f2bSArnaldo Carvalho de Melo struct drm_buf_desc { 336c1737f2bSArnaldo Carvalho de Melo int count; /**< Number of buffers of this size */ 337c1737f2bSArnaldo Carvalho de Melo int size; /**< Size in bytes */ 338c1737f2bSArnaldo Carvalho de Melo int low_mark; /**< Low water mark */ 339c1737f2bSArnaldo Carvalho de Melo int high_mark; /**< High water mark */ 340c1737f2bSArnaldo Carvalho de Melo enum { 341c1737f2bSArnaldo Carvalho de Melo _DRM_PAGE_ALIGN = 0x01, /**< Align on page boundaries for DMA */ 342c1737f2bSArnaldo Carvalho de Melo _DRM_AGP_BUFFER = 0x02, /**< Buffer is in AGP space */ 343c1737f2bSArnaldo Carvalho de Melo _DRM_SG_BUFFER = 0x04, /**< Scatter/gather memory buffer */ 344c1737f2bSArnaldo Carvalho de Melo _DRM_FB_BUFFER = 0x08, /**< Buffer is in frame buffer */ 345c1737f2bSArnaldo Carvalho de Melo _DRM_PCI_BUFFER_RO = 0x10 /**< Map PCI DMA buffer read-only */ 346c1737f2bSArnaldo Carvalho de Melo } flags; 347c1737f2bSArnaldo Carvalho de Melo unsigned long agp_start; /**< 348c1737f2bSArnaldo Carvalho de Melo * Start address of where the AGP buffers are 349c1737f2bSArnaldo Carvalho de Melo * in the AGP aperture 350c1737f2bSArnaldo Carvalho de Melo */ 351c1737f2bSArnaldo Carvalho de Melo }; 352c1737f2bSArnaldo Carvalho de Melo 3533ae0415dSArnaldo Carvalho de Melo /* 354c1737f2bSArnaldo Carvalho de Melo * DRM_IOCTL_INFO_BUFS ioctl argument type. 355c1737f2bSArnaldo Carvalho de Melo */ 356c1737f2bSArnaldo Carvalho de Melo struct drm_buf_info { 357c1737f2bSArnaldo Carvalho de Melo int count; /**< Entries in list */ 358c1737f2bSArnaldo Carvalho de Melo struct drm_buf_desc __user *list; 359c1737f2bSArnaldo Carvalho de Melo }; 360c1737f2bSArnaldo Carvalho de Melo 3613ae0415dSArnaldo Carvalho de Melo /* 362c1737f2bSArnaldo Carvalho de Melo * DRM_IOCTL_FREE_BUFS ioctl argument type. 363c1737f2bSArnaldo Carvalho de Melo */ 364c1737f2bSArnaldo Carvalho de Melo struct drm_buf_free { 365c1737f2bSArnaldo Carvalho de Melo int count; 366c1737f2bSArnaldo Carvalho de Melo int __user *list; 367c1737f2bSArnaldo Carvalho de Melo }; 368c1737f2bSArnaldo Carvalho de Melo 3693ae0415dSArnaldo Carvalho de Melo /* 370c1737f2bSArnaldo Carvalho de Melo * Buffer information 371c1737f2bSArnaldo Carvalho de Melo * 372c1737f2bSArnaldo Carvalho de Melo * \sa drm_buf_map. 373c1737f2bSArnaldo Carvalho de Melo */ 374c1737f2bSArnaldo Carvalho de Melo struct drm_buf_pub { 375c1737f2bSArnaldo Carvalho de Melo int idx; /**< Index into the master buffer list */ 376c1737f2bSArnaldo Carvalho de Melo int total; /**< Buffer size */ 377c1737f2bSArnaldo Carvalho de Melo int used; /**< Amount of buffer in use (for DMA) */ 378c1737f2bSArnaldo Carvalho de Melo void __user *address; /**< Address of buffer */ 379c1737f2bSArnaldo Carvalho de Melo }; 380c1737f2bSArnaldo Carvalho de Melo 3813ae0415dSArnaldo Carvalho de Melo /* 382c1737f2bSArnaldo Carvalho de Melo * DRM_IOCTL_MAP_BUFS ioctl argument type. 383c1737f2bSArnaldo Carvalho de Melo */ 384c1737f2bSArnaldo Carvalho de Melo struct drm_buf_map { 385c1737f2bSArnaldo Carvalho de Melo int count; /**< Length of the buffer list */ 386c1737f2bSArnaldo Carvalho de Melo #ifdef __cplusplus 387c1737f2bSArnaldo Carvalho de Melo void __user *virt; 388c1737f2bSArnaldo Carvalho de Melo #else 389c1737f2bSArnaldo Carvalho de Melo void __user *virtual; /**< Mmap'd area in user-virtual */ 390c1737f2bSArnaldo Carvalho de Melo #endif 391c1737f2bSArnaldo Carvalho de Melo struct drm_buf_pub __user *list; /**< Buffer information */ 392c1737f2bSArnaldo Carvalho de Melo }; 393c1737f2bSArnaldo Carvalho de Melo 3943ae0415dSArnaldo Carvalho de Melo /* 395c1737f2bSArnaldo Carvalho de Melo * DRM_IOCTL_DMA ioctl argument type. 396c1737f2bSArnaldo Carvalho de Melo * 397c1737f2bSArnaldo Carvalho de Melo * Indices here refer to the offset into the buffer list in drm_buf_get. 398c1737f2bSArnaldo Carvalho de Melo * 399c1737f2bSArnaldo Carvalho de Melo * \sa drmDMA(). 400c1737f2bSArnaldo Carvalho de Melo */ 401c1737f2bSArnaldo Carvalho de Melo struct drm_dma { 402c1737f2bSArnaldo Carvalho de Melo int context; /**< Context handle */ 403c1737f2bSArnaldo Carvalho de Melo int send_count; /**< Number of buffers to send */ 404c1737f2bSArnaldo Carvalho de Melo int __user *send_indices; /**< List of handles to buffers */ 405c1737f2bSArnaldo Carvalho de Melo int __user *send_sizes; /**< Lengths of data to send */ 406c1737f2bSArnaldo Carvalho de Melo enum drm_dma_flags flags; /**< Flags */ 407c1737f2bSArnaldo Carvalho de Melo int request_count; /**< Number of buffers requested */ 408c1737f2bSArnaldo Carvalho de Melo int request_size; /**< Desired size for buffers */ 409c1737f2bSArnaldo Carvalho de Melo int __user *request_indices; /**< Buffer information */ 410c1737f2bSArnaldo Carvalho de Melo int __user *request_sizes; 411c1737f2bSArnaldo Carvalho de Melo int granted_count; /**< Number of buffers granted */ 412c1737f2bSArnaldo Carvalho de Melo }; 413c1737f2bSArnaldo Carvalho de Melo 414c1737f2bSArnaldo Carvalho de Melo enum drm_ctx_flags { 415c1737f2bSArnaldo Carvalho de Melo _DRM_CONTEXT_PRESERVED = 0x01, 416c1737f2bSArnaldo Carvalho de Melo _DRM_CONTEXT_2DONLY = 0x02 417c1737f2bSArnaldo Carvalho de Melo }; 418c1737f2bSArnaldo Carvalho de Melo 4193ae0415dSArnaldo Carvalho de Melo /* 420c1737f2bSArnaldo Carvalho de Melo * DRM_IOCTL_ADD_CTX ioctl argument type. 421c1737f2bSArnaldo Carvalho de Melo * 422c1737f2bSArnaldo Carvalho de Melo * \sa drmCreateContext() and drmDestroyContext(). 423c1737f2bSArnaldo Carvalho de Melo */ 424c1737f2bSArnaldo Carvalho de Melo struct drm_ctx { 425c1737f2bSArnaldo Carvalho de Melo drm_context_t handle; 426c1737f2bSArnaldo Carvalho de Melo enum drm_ctx_flags flags; 427c1737f2bSArnaldo Carvalho de Melo }; 428c1737f2bSArnaldo Carvalho de Melo 4293ae0415dSArnaldo Carvalho de Melo /* 430c1737f2bSArnaldo Carvalho de Melo * DRM_IOCTL_RES_CTX ioctl argument type. 431c1737f2bSArnaldo Carvalho de Melo */ 432c1737f2bSArnaldo Carvalho de Melo struct drm_ctx_res { 433c1737f2bSArnaldo Carvalho de Melo int count; 434c1737f2bSArnaldo Carvalho de Melo struct drm_ctx __user *contexts; 435c1737f2bSArnaldo Carvalho de Melo }; 436c1737f2bSArnaldo Carvalho de Melo 4373ae0415dSArnaldo Carvalho de Melo /* 438c1737f2bSArnaldo Carvalho de Melo * DRM_IOCTL_ADD_DRAW and DRM_IOCTL_RM_DRAW ioctl argument type. 439c1737f2bSArnaldo Carvalho de Melo */ 440c1737f2bSArnaldo Carvalho de Melo struct drm_draw { 441c1737f2bSArnaldo Carvalho de Melo drm_drawable_t handle; 442c1737f2bSArnaldo Carvalho de Melo }; 443c1737f2bSArnaldo Carvalho de Melo 4443ae0415dSArnaldo Carvalho de Melo /* 445c1737f2bSArnaldo Carvalho de Melo * DRM_IOCTL_UPDATE_DRAW ioctl argument type. 446c1737f2bSArnaldo Carvalho de Melo */ 447c1737f2bSArnaldo Carvalho de Melo typedef enum { 448c1737f2bSArnaldo Carvalho de Melo DRM_DRAWABLE_CLIPRECTS 449c1737f2bSArnaldo Carvalho de Melo } drm_drawable_info_type_t; 450c1737f2bSArnaldo Carvalho de Melo 451c1737f2bSArnaldo Carvalho de Melo struct drm_update_draw { 452c1737f2bSArnaldo Carvalho de Melo drm_drawable_t handle; 453c1737f2bSArnaldo Carvalho de Melo unsigned int type; 454c1737f2bSArnaldo Carvalho de Melo unsigned int num; 455c1737f2bSArnaldo Carvalho de Melo unsigned long long data; 456c1737f2bSArnaldo Carvalho de Melo }; 457c1737f2bSArnaldo Carvalho de Melo 4583ae0415dSArnaldo Carvalho de Melo /* 459c1737f2bSArnaldo Carvalho de Melo * DRM_IOCTL_GET_MAGIC and DRM_IOCTL_AUTH_MAGIC ioctl argument type. 460c1737f2bSArnaldo Carvalho de Melo */ 461c1737f2bSArnaldo Carvalho de Melo struct drm_auth { 462c1737f2bSArnaldo Carvalho de Melo drm_magic_t magic; 463c1737f2bSArnaldo Carvalho de Melo }; 464c1737f2bSArnaldo Carvalho de Melo 4653ae0415dSArnaldo Carvalho de Melo /* 466c1737f2bSArnaldo Carvalho de Melo * DRM_IOCTL_IRQ_BUSID ioctl argument type. 467c1737f2bSArnaldo Carvalho de Melo * 468c1737f2bSArnaldo Carvalho de Melo * \sa drmGetInterruptFromBusID(). 469c1737f2bSArnaldo Carvalho de Melo */ 470c1737f2bSArnaldo Carvalho de Melo struct drm_irq_busid { 471c1737f2bSArnaldo Carvalho de Melo int irq; /**< IRQ number */ 472c1737f2bSArnaldo Carvalho de Melo int busnum; /**< bus number */ 473c1737f2bSArnaldo Carvalho de Melo int devnum; /**< device number */ 474c1737f2bSArnaldo Carvalho de Melo int funcnum; /**< function number */ 475c1737f2bSArnaldo Carvalho de Melo }; 476c1737f2bSArnaldo Carvalho de Melo 477c1737f2bSArnaldo Carvalho de Melo enum drm_vblank_seq_type { 478c1737f2bSArnaldo Carvalho de Melo _DRM_VBLANK_ABSOLUTE = 0x0, /**< Wait for specific vblank sequence number */ 479c1737f2bSArnaldo Carvalho de Melo _DRM_VBLANK_RELATIVE = 0x1, /**< Wait for given number of vblanks */ 480c1737f2bSArnaldo Carvalho de Melo /* bits 1-6 are reserved for high crtcs */ 481c1737f2bSArnaldo Carvalho de Melo _DRM_VBLANK_HIGH_CRTC_MASK = 0x0000003e, 482c1737f2bSArnaldo Carvalho de Melo _DRM_VBLANK_EVENT = 0x4000000, /**< Send event instead of blocking */ 483c1737f2bSArnaldo Carvalho de Melo _DRM_VBLANK_FLIP = 0x8000000, /**< Scheduled buffer swap should flip */ 484c1737f2bSArnaldo Carvalho de Melo _DRM_VBLANK_NEXTONMISS = 0x10000000, /**< If missed, wait for next vblank */ 485c1737f2bSArnaldo Carvalho de Melo _DRM_VBLANK_SECONDARY = 0x20000000, /**< Secondary display controller */ 486c1737f2bSArnaldo Carvalho de Melo _DRM_VBLANK_SIGNAL = 0x40000000 /**< Send signal instead of blocking, unsupported */ 487c1737f2bSArnaldo Carvalho de Melo }; 488c1737f2bSArnaldo Carvalho de Melo #define _DRM_VBLANK_HIGH_CRTC_SHIFT 1 489c1737f2bSArnaldo Carvalho de Melo 490c1737f2bSArnaldo Carvalho de Melo #define _DRM_VBLANK_TYPES_MASK (_DRM_VBLANK_ABSOLUTE | _DRM_VBLANK_RELATIVE) 491c1737f2bSArnaldo Carvalho de Melo #define _DRM_VBLANK_FLAGS_MASK (_DRM_VBLANK_EVENT | _DRM_VBLANK_SIGNAL | \ 492c1737f2bSArnaldo Carvalho de Melo _DRM_VBLANK_SECONDARY | _DRM_VBLANK_NEXTONMISS) 493c1737f2bSArnaldo Carvalho de Melo 494c1737f2bSArnaldo Carvalho de Melo struct drm_wait_vblank_request { 495c1737f2bSArnaldo Carvalho de Melo enum drm_vblank_seq_type type; 496c1737f2bSArnaldo Carvalho de Melo unsigned int sequence; 497c1737f2bSArnaldo Carvalho de Melo unsigned long signal; 498c1737f2bSArnaldo Carvalho de Melo }; 499c1737f2bSArnaldo Carvalho de Melo 500c1737f2bSArnaldo Carvalho de Melo struct drm_wait_vblank_reply { 501c1737f2bSArnaldo Carvalho de Melo enum drm_vblank_seq_type type; 502c1737f2bSArnaldo Carvalho de Melo unsigned int sequence; 503c1737f2bSArnaldo Carvalho de Melo long tval_sec; 504c1737f2bSArnaldo Carvalho de Melo long tval_usec; 505c1737f2bSArnaldo Carvalho de Melo }; 506c1737f2bSArnaldo Carvalho de Melo 5073ae0415dSArnaldo Carvalho de Melo /* 508c1737f2bSArnaldo Carvalho de Melo * DRM_IOCTL_WAIT_VBLANK ioctl argument type. 509c1737f2bSArnaldo Carvalho de Melo * 510c1737f2bSArnaldo Carvalho de Melo * \sa drmWaitVBlank(). 511c1737f2bSArnaldo Carvalho de Melo */ 512c1737f2bSArnaldo Carvalho de Melo union drm_wait_vblank { 513c1737f2bSArnaldo Carvalho de Melo struct drm_wait_vblank_request request; 514c1737f2bSArnaldo Carvalho de Melo struct drm_wait_vblank_reply reply; 515c1737f2bSArnaldo Carvalho de Melo }; 516c1737f2bSArnaldo Carvalho de Melo 517c1737f2bSArnaldo Carvalho de Melo #define _DRM_PRE_MODESET 1 518c1737f2bSArnaldo Carvalho de Melo #define _DRM_POST_MODESET 2 519c1737f2bSArnaldo Carvalho de Melo 5203ae0415dSArnaldo Carvalho de Melo /* 521c1737f2bSArnaldo Carvalho de Melo * DRM_IOCTL_MODESET_CTL ioctl argument type 522c1737f2bSArnaldo Carvalho de Melo * 523c1737f2bSArnaldo Carvalho de Melo * \sa drmModesetCtl(). 524c1737f2bSArnaldo Carvalho de Melo */ 525c1737f2bSArnaldo Carvalho de Melo struct drm_modeset_ctl { 526c1737f2bSArnaldo Carvalho de Melo __u32 crtc; 527c1737f2bSArnaldo Carvalho de Melo __u32 cmd; 528c1737f2bSArnaldo Carvalho de Melo }; 529c1737f2bSArnaldo Carvalho de Melo 5303ae0415dSArnaldo Carvalho de Melo /* 531c1737f2bSArnaldo Carvalho de Melo * DRM_IOCTL_AGP_ENABLE ioctl argument type. 532c1737f2bSArnaldo Carvalho de Melo * 533c1737f2bSArnaldo Carvalho de Melo * \sa drmAgpEnable(). 534c1737f2bSArnaldo Carvalho de Melo */ 535c1737f2bSArnaldo Carvalho de Melo struct drm_agp_mode { 536c1737f2bSArnaldo Carvalho de Melo unsigned long mode; /**< AGP mode */ 537c1737f2bSArnaldo Carvalho de Melo }; 538c1737f2bSArnaldo Carvalho de Melo 5393ae0415dSArnaldo Carvalho de Melo /* 540c1737f2bSArnaldo Carvalho de Melo * DRM_IOCTL_AGP_ALLOC and DRM_IOCTL_AGP_FREE ioctls argument type. 541c1737f2bSArnaldo Carvalho de Melo * 542c1737f2bSArnaldo Carvalho de Melo * \sa drmAgpAlloc() and drmAgpFree(). 543c1737f2bSArnaldo Carvalho de Melo */ 544c1737f2bSArnaldo Carvalho de Melo struct drm_agp_buffer { 545c1737f2bSArnaldo Carvalho de Melo unsigned long size; /**< In bytes -- will round to page boundary */ 546c1737f2bSArnaldo Carvalho de Melo unsigned long handle; /**< Used for binding / unbinding */ 547c1737f2bSArnaldo Carvalho de Melo unsigned long type; /**< Type of memory to allocate */ 548c1737f2bSArnaldo Carvalho de Melo unsigned long physical; /**< Physical used by i810 */ 549c1737f2bSArnaldo Carvalho de Melo }; 550c1737f2bSArnaldo Carvalho de Melo 5513ae0415dSArnaldo Carvalho de Melo /* 552c1737f2bSArnaldo Carvalho de Melo * DRM_IOCTL_AGP_BIND and DRM_IOCTL_AGP_UNBIND ioctls argument type. 553c1737f2bSArnaldo Carvalho de Melo * 554c1737f2bSArnaldo Carvalho de Melo * \sa drmAgpBind() and drmAgpUnbind(). 555c1737f2bSArnaldo Carvalho de Melo */ 556c1737f2bSArnaldo Carvalho de Melo struct drm_agp_binding { 557c1737f2bSArnaldo Carvalho de Melo unsigned long handle; /**< From drm_agp_buffer */ 558c1737f2bSArnaldo Carvalho de Melo unsigned long offset; /**< In bytes -- will round to page boundary */ 559c1737f2bSArnaldo Carvalho de Melo }; 560c1737f2bSArnaldo Carvalho de Melo 5613ae0415dSArnaldo Carvalho de Melo /* 562c1737f2bSArnaldo Carvalho de Melo * DRM_IOCTL_AGP_INFO ioctl argument type. 563c1737f2bSArnaldo Carvalho de Melo * 564c1737f2bSArnaldo Carvalho de Melo * \sa drmAgpVersionMajor(), drmAgpVersionMinor(), drmAgpGetMode(), 565c1737f2bSArnaldo Carvalho de Melo * drmAgpBase(), drmAgpSize(), drmAgpMemoryUsed(), drmAgpMemoryAvail(), 566c1737f2bSArnaldo Carvalho de Melo * drmAgpVendorId() and drmAgpDeviceId(). 567c1737f2bSArnaldo Carvalho de Melo */ 568c1737f2bSArnaldo Carvalho de Melo struct drm_agp_info { 569c1737f2bSArnaldo Carvalho de Melo int agp_version_major; 570c1737f2bSArnaldo Carvalho de Melo int agp_version_minor; 571c1737f2bSArnaldo Carvalho de Melo unsigned long mode; 572c1737f2bSArnaldo Carvalho de Melo unsigned long aperture_base; /* physical address */ 573c1737f2bSArnaldo Carvalho de Melo unsigned long aperture_size; /* bytes */ 574c1737f2bSArnaldo Carvalho de Melo unsigned long memory_allowed; /* bytes */ 575c1737f2bSArnaldo Carvalho de Melo unsigned long memory_used; 576c1737f2bSArnaldo Carvalho de Melo 577c1737f2bSArnaldo Carvalho de Melo /* PCI information */ 578c1737f2bSArnaldo Carvalho de Melo unsigned short id_vendor; 579c1737f2bSArnaldo Carvalho de Melo unsigned short id_device; 580c1737f2bSArnaldo Carvalho de Melo }; 581c1737f2bSArnaldo Carvalho de Melo 5823ae0415dSArnaldo Carvalho de Melo /* 583c1737f2bSArnaldo Carvalho de Melo * DRM_IOCTL_SG_ALLOC ioctl argument type. 584c1737f2bSArnaldo Carvalho de Melo */ 585c1737f2bSArnaldo Carvalho de Melo struct drm_scatter_gather { 586c1737f2bSArnaldo Carvalho de Melo unsigned long size; /**< In bytes -- will round to page boundary */ 587c1737f2bSArnaldo Carvalho de Melo unsigned long handle; /**< Used for mapping / unmapping */ 588c1737f2bSArnaldo Carvalho de Melo }; 589c1737f2bSArnaldo Carvalho de Melo 5903ae0415dSArnaldo Carvalho de Melo /* 591c1737f2bSArnaldo Carvalho de Melo * DRM_IOCTL_SET_VERSION ioctl argument type. 592c1737f2bSArnaldo Carvalho de Melo */ 593c1737f2bSArnaldo Carvalho de Melo struct drm_set_version { 594c1737f2bSArnaldo Carvalho de Melo int drm_di_major; 595c1737f2bSArnaldo Carvalho de Melo int drm_di_minor; 596c1737f2bSArnaldo Carvalho de Melo int drm_dd_major; 597c1737f2bSArnaldo Carvalho de Melo int drm_dd_minor; 598c1737f2bSArnaldo Carvalho de Melo }; 599c1737f2bSArnaldo Carvalho de Melo 6003ae0415dSArnaldo Carvalho de Melo /* DRM_IOCTL_GEM_CLOSE ioctl argument type */ 601c1737f2bSArnaldo Carvalho de Melo struct drm_gem_close { 602c1737f2bSArnaldo Carvalho de Melo /** Handle of the object to be closed. */ 603c1737f2bSArnaldo Carvalho de Melo __u32 handle; 604c1737f2bSArnaldo Carvalho de Melo __u32 pad; 605c1737f2bSArnaldo Carvalho de Melo }; 606c1737f2bSArnaldo Carvalho de Melo 6073ae0415dSArnaldo Carvalho de Melo /* DRM_IOCTL_GEM_FLINK ioctl argument type */ 608c1737f2bSArnaldo Carvalho de Melo struct drm_gem_flink { 609c1737f2bSArnaldo Carvalho de Melo /** Handle for the object being named */ 610c1737f2bSArnaldo Carvalho de Melo __u32 handle; 611c1737f2bSArnaldo Carvalho de Melo 612c1737f2bSArnaldo Carvalho de Melo /** Returned global name */ 613c1737f2bSArnaldo Carvalho de Melo __u32 name; 614c1737f2bSArnaldo Carvalho de Melo }; 615c1737f2bSArnaldo Carvalho de Melo 6163ae0415dSArnaldo Carvalho de Melo /* DRM_IOCTL_GEM_OPEN ioctl argument type */ 617c1737f2bSArnaldo Carvalho de Melo struct drm_gem_open { 618c1737f2bSArnaldo Carvalho de Melo /** Name of object being opened */ 619c1737f2bSArnaldo Carvalho de Melo __u32 name; 620c1737f2bSArnaldo Carvalho de Melo 621c1737f2bSArnaldo Carvalho de Melo /** Returned handle for the object */ 622c1737f2bSArnaldo Carvalho de Melo __u32 handle; 623c1737f2bSArnaldo Carvalho de Melo 624c1737f2bSArnaldo Carvalho de Melo /** Returned size of the object */ 625c1737f2bSArnaldo Carvalho de Melo __u64 size; 626c1737f2bSArnaldo Carvalho de Melo }; 627c1737f2bSArnaldo Carvalho de Melo 628a3bc4ffeSArnaldo Carvalho de Melo /** 629a3bc4ffeSArnaldo Carvalho de Melo * DRM_CAP_DUMB_BUFFER 630a3bc4ffeSArnaldo Carvalho de Melo * 631a3bc4ffeSArnaldo Carvalho de Melo * If set to 1, the driver supports creating dumb buffers via the 632a3bc4ffeSArnaldo Carvalho de Melo * &DRM_IOCTL_MODE_CREATE_DUMB ioctl. 633a3bc4ffeSArnaldo Carvalho de Melo */ 634c1737f2bSArnaldo Carvalho de Melo #define DRM_CAP_DUMB_BUFFER 0x1 635a3bc4ffeSArnaldo Carvalho de Melo /** 636a3bc4ffeSArnaldo Carvalho de Melo * DRM_CAP_VBLANK_HIGH_CRTC 637a3bc4ffeSArnaldo Carvalho de Melo * 63817a99e52SArnaldo Carvalho de Melo * If set to 1, the kernel supports specifying a :ref:`CRTC index<crtc_index>` 63917a99e52SArnaldo Carvalho de Melo * in the high bits of &drm_wait_vblank_request.type. 640a3bc4ffeSArnaldo Carvalho de Melo * 641a3bc4ffeSArnaldo Carvalho de Melo * Starting kernel version 2.6.39, this capability is always set to 1. 642a3bc4ffeSArnaldo Carvalho de Melo */ 643c1737f2bSArnaldo Carvalho de Melo #define DRM_CAP_VBLANK_HIGH_CRTC 0x2 644a3bc4ffeSArnaldo Carvalho de Melo /** 645a3bc4ffeSArnaldo Carvalho de Melo * DRM_CAP_DUMB_PREFERRED_DEPTH 646a3bc4ffeSArnaldo Carvalho de Melo * 647a3bc4ffeSArnaldo Carvalho de Melo * The preferred bit depth for dumb buffers. 648a3bc4ffeSArnaldo Carvalho de Melo * 649a3bc4ffeSArnaldo Carvalho de Melo * The bit depth is the number of bits used to indicate the color of a single 650a3bc4ffeSArnaldo Carvalho de Melo * pixel excluding any padding. This is different from the number of bits per 651a3bc4ffeSArnaldo Carvalho de Melo * pixel. For instance, XRGB8888 has a bit depth of 24 but has 32 bits per 652a3bc4ffeSArnaldo Carvalho de Melo * pixel. 653a3bc4ffeSArnaldo Carvalho de Melo * 654a3bc4ffeSArnaldo Carvalho de Melo * Note that this preference only applies to dumb buffers, it's irrelevant for 655a3bc4ffeSArnaldo Carvalho de Melo * other types of buffers. 656a3bc4ffeSArnaldo Carvalho de Melo */ 657c1737f2bSArnaldo Carvalho de Melo #define DRM_CAP_DUMB_PREFERRED_DEPTH 0x3 658a3bc4ffeSArnaldo Carvalho de Melo /** 659a3bc4ffeSArnaldo Carvalho de Melo * DRM_CAP_DUMB_PREFER_SHADOW 660a3bc4ffeSArnaldo Carvalho de Melo * 661a3bc4ffeSArnaldo Carvalho de Melo * If set to 1, the driver prefers userspace to render to a shadow buffer 662a3bc4ffeSArnaldo Carvalho de Melo * instead of directly rendering to a dumb buffer. For best speed, userspace 663a3bc4ffeSArnaldo Carvalho de Melo * should do streaming ordered memory copies into the dumb buffer and never 664a3bc4ffeSArnaldo Carvalho de Melo * read from it. 665a3bc4ffeSArnaldo Carvalho de Melo * 666a3bc4ffeSArnaldo Carvalho de Melo * Note that this preference only applies to dumb buffers, it's irrelevant for 667a3bc4ffeSArnaldo Carvalho de Melo * other types of buffers. 668a3bc4ffeSArnaldo Carvalho de Melo */ 669c1737f2bSArnaldo Carvalho de Melo #define DRM_CAP_DUMB_PREFER_SHADOW 0x4 670a3bc4ffeSArnaldo Carvalho de Melo /** 671a3bc4ffeSArnaldo Carvalho de Melo * DRM_CAP_PRIME 672a3bc4ffeSArnaldo Carvalho de Melo * 673a3bc4ffeSArnaldo Carvalho de Melo * Bitfield of supported PRIME sharing capabilities. See &DRM_PRIME_CAP_IMPORT 674a3bc4ffeSArnaldo Carvalho de Melo * and &DRM_PRIME_CAP_EXPORT. 675a3bc4ffeSArnaldo Carvalho de Melo * 676c2122b68SArnaldo Carvalho de Melo * Starting from kernel version 6.6, both &DRM_PRIME_CAP_IMPORT and 677c2122b68SArnaldo Carvalho de Melo * &DRM_PRIME_CAP_EXPORT are always advertised. 678c2122b68SArnaldo Carvalho de Melo * 679c2122b68SArnaldo Carvalho de Melo * PRIME buffers are exposed as dma-buf file descriptors. 680c2122b68SArnaldo Carvalho de Melo * See :ref:`prime_buffer_sharing`. 681a3bc4ffeSArnaldo Carvalho de Melo */ 682c1737f2bSArnaldo Carvalho de Melo #define DRM_CAP_PRIME 0x5 683a3bc4ffeSArnaldo Carvalho de Melo /** 684a3bc4ffeSArnaldo Carvalho de Melo * DRM_PRIME_CAP_IMPORT 685a3bc4ffeSArnaldo Carvalho de Melo * 686a3bc4ffeSArnaldo Carvalho de Melo * If this bit is set in &DRM_CAP_PRIME, the driver supports importing PRIME 687a3bc4ffeSArnaldo Carvalho de Melo * buffers via the &DRM_IOCTL_PRIME_FD_TO_HANDLE ioctl. 688c2122b68SArnaldo Carvalho de Melo * 689c2122b68SArnaldo Carvalho de Melo * Starting from kernel version 6.6, this bit is always set in &DRM_CAP_PRIME. 690a3bc4ffeSArnaldo Carvalho de Melo */ 691c1737f2bSArnaldo Carvalho de Melo #define DRM_PRIME_CAP_IMPORT 0x1 692a3bc4ffeSArnaldo Carvalho de Melo /** 693a3bc4ffeSArnaldo Carvalho de Melo * DRM_PRIME_CAP_EXPORT 694a3bc4ffeSArnaldo Carvalho de Melo * 695a3bc4ffeSArnaldo Carvalho de Melo * If this bit is set in &DRM_CAP_PRIME, the driver supports exporting PRIME 696a3bc4ffeSArnaldo Carvalho de Melo * buffers via the &DRM_IOCTL_PRIME_HANDLE_TO_FD ioctl. 697c2122b68SArnaldo Carvalho de Melo * 698c2122b68SArnaldo Carvalho de Melo * Starting from kernel version 6.6, this bit is always set in &DRM_CAP_PRIME. 699a3bc4ffeSArnaldo Carvalho de Melo */ 700c1737f2bSArnaldo Carvalho de Melo #define DRM_PRIME_CAP_EXPORT 0x2 701a3bc4ffeSArnaldo Carvalho de Melo /** 702a3bc4ffeSArnaldo Carvalho de Melo * DRM_CAP_TIMESTAMP_MONOTONIC 703a3bc4ffeSArnaldo Carvalho de Melo * 704a3bc4ffeSArnaldo Carvalho de Melo * If set to 0, the kernel will report timestamps with ``CLOCK_REALTIME`` in 705a3bc4ffeSArnaldo Carvalho de Melo * struct drm_event_vblank. If set to 1, the kernel will report timestamps with 706a3bc4ffeSArnaldo Carvalho de Melo * ``CLOCK_MONOTONIC``. See ``clock_gettime(2)`` for the definition of these 707a3bc4ffeSArnaldo Carvalho de Melo * clocks. 708a3bc4ffeSArnaldo Carvalho de Melo * 709a3bc4ffeSArnaldo Carvalho de Melo * Starting from kernel version 2.6.39, the default value for this capability 710a3bc4ffeSArnaldo Carvalho de Melo * is 1. Starting kernel version 4.15, this capability is always set to 1. 711a3bc4ffeSArnaldo Carvalho de Melo */ 712c1737f2bSArnaldo Carvalho de Melo #define DRM_CAP_TIMESTAMP_MONOTONIC 0x6 713a3bc4ffeSArnaldo Carvalho de Melo /** 714a3bc4ffeSArnaldo Carvalho de Melo * DRM_CAP_ASYNC_PAGE_FLIP 715a3bc4ffeSArnaldo Carvalho de Melo * 716*1233d1d5SArnaldo Carvalho de Melo * If set to 1, the driver supports &DRM_MODE_PAGE_FLIP_ASYNC for legacy 717*1233d1d5SArnaldo Carvalho de Melo * page-flips. 718a3bc4ffeSArnaldo Carvalho de Melo */ 719c1737f2bSArnaldo Carvalho de Melo #define DRM_CAP_ASYNC_PAGE_FLIP 0x7 720a3bc4ffeSArnaldo Carvalho de Melo /** 721a3bc4ffeSArnaldo Carvalho de Melo * DRM_CAP_CURSOR_WIDTH 722a3bc4ffeSArnaldo Carvalho de Melo * 723a3bc4ffeSArnaldo Carvalho de Melo * The ``CURSOR_WIDTH`` and ``CURSOR_HEIGHT`` capabilities return a valid 724a3bc4ffeSArnaldo Carvalho de Melo * width x height combination for the hardware cursor. The intention is that a 725a3bc4ffeSArnaldo Carvalho de Melo * hardware agnostic userspace can query a cursor plane size to use. 726c1737f2bSArnaldo Carvalho de Melo * 727c1737f2bSArnaldo Carvalho de Melo * Note that the cross-driver contract is to merely return a valid size; 728c1737f2bSArnaldo Carvalho de Melo * drivers are free to attach another meaning on top, eg. i915 returns the 729c1737f2bSArnaldo Carvalho de Melo * maximum plane size. 730c1737f2bSArnaldo Carvalho de Melo */ 731c1737f2bSArnaldo Carvalho de Melo #define DRM_CAP_CURSOR_WIDTH 0x8 732a3bc4ffeSArnaldo Carvalho de Melo /** 733a3bc4ffeSArnaldo Carvalho de Melo * DRM_CAP_CURSOR_HEIGHT 734a3bc4ffeSArnaldo Carvalho de Melo * 735a3bc4ffeSArnaldo Carvalho de Melo * See &DRM_CAP_CURSOR_WIDTH. 736a3bc4ffeSArnaldo Carvalho de Melo */ 737c1737f2bSArnaldo Carvalho de Melo #define DRM_CAP_CURSOR_HEIGHT 0x9 738a3bc4ffeSArnaldo Carvalho de Melo /** 739a3bc4ffeSArnaldo Carvalho de Melo * DRM_CAP_ADDFB2_MODIFIERS 740a3bc4ffeSArnaldo Carvalho de Melo * 741a3bc4ffeSArnaldo Carvalho de Melo * If set to 1, the driver supports supplying modifiers in the 742a3bc4ffeSArnaldo Carvalho de Melo * &DRM_IOCTL_MODE_ADDFB2 ioctl. 743a3bc4ffeSArnaldo Carvalho de Melo */ 744c1737f2bSArnaldo Carvalho de Melo #define DRM_CAP_ADDFB2_MODIFIERS 0x10 745a3bc4ffeSArnaldo Carvalho de Melo /** 746a3bc4ffeSArnaldo Carvalho de Melo * DRM_CAP_PAGE_FLIP_TARGET 747a3bc4ffeSArnaldo Carvalho de Melo * 748a3bc4ffeSArnaldo Carvalho de Melo * If set to 1, the driver supports the &DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE and 749a3bc4ffeSArnaldo Carvalho de Melo * &DRM_MODE_PAGE_FLIP_TARGET_RELATIVE flags in 750a3bc4ffeSArnaldo Carvalho de Melo * &drm_mode_crtc_page_flip_target.flags for the &DRM_IOCTL_MODE_PAGE_FLIP 751a3bc4ffeSArnaldo Carvalho de Melo * ioctl. 752a3bc4ffeSArnaldo Carvalho de Melo */ 753c1737f2bSArnaldo Carvalho de Melo #define DRM_CAP_PAGE_FLIP_TARGET 0x11 754a3bc4ffeSArnaldo Carvalho de Melo /** 755a3bc4ffeSArnaldo Carvalho de Melo * DRM_CAP_CRTC_IN_VBLANK_EVENT 756a3bc4ffeSArnaldo Carvalho de Melo * 757a3bc4ffeSArnaldo Carvalho de Melo * If set to 1, the kernel supports reporting the CRTC ID in 758a3bc4ffeSArnaldo Carvalho de Melo * &drm_event_vblank.crtc_id for the &DRM_EVENT_VBLANK and 759a3bc4ffeSArnaldo Carvalho de Melo * &DRM_EVENT_FLIP_COMPLETE events. 760a3bc4ffeSArnaldo Carvalho de Melo * 761a3bc4ffeSArnaldo Carvalho de Melo * Starting kernel version 4.12, this capability is always set to 1. 762a3bc4ffeSArnaldo Carvalho de Melo */ 763c1737f2bSArnaldo Carvalho de Melo #define DRM_CAP_CRTC_IN_VBLANK_EVENT 0x12 764a3bc4ffeSArnaldo Carvalho de Melo /** 765a3bc4ffeSArnaldo Carvalho de Melo * DRM_CAP_SYNCOBJ 766a3bc4ffeSArnaldo Carvalho de Melo * 767c2122b68SArnaldo Carvalho de Melo * If set to 1, the driver supports sync objects. See :ref:`drm_sync_objects`. 768a3bc4ffeSArnaldo Carvalho de Melo */ 769c1737f2bSArnaldo Carvalho de Melo #define DRM_CAP_SYNCOBJ 0x13 770a3bc4ffeSArnaldo Carvalho de Melo /** 771a3bc4ffeSArnaldo Carvalho de Melo * DRM_CAP_SYNCOBJ_TIMELINE 772a3bc4ffeSArnaldo Carvalho de Melo * 773a3bc4ffeSArnaldo Carvalho de Melo * If set to 1, the driver supports timeline operations on sync objects. See 774c2122b68SArnaldo Carvalho de Melo * :ref:`drm_sync_objects`. 775a3bc4ffeSArnaldo Carvalho de Melo */ 7769903c64fSArnaldo Carvalho de Melo #define DRM_CAP_SYNCOBJ_TIMELINE 0x14 777*1233d1d5SArnaldo Carvalho de Melo /** 778*1233d1d5SArnaldo Carvalho de Melo * DRM_CAP_ATOMIC_ASYNC_PAGE_FLIP 779*1233d1d5SArnaldo Carvalho de Melo * 780*1233d1d5SArnaldo Carvalho de Melo * If set to 1, the driver supports &DRM_MODE_PAGE_FLIP_ASYNC for atomic 781*1233d1d5SArnaldo Carvalho de Melo * commits. 782*1233d1d5SArnaldo Carvalho de Melo */ 783*1233d1d5SArnaldo Carvalho de Melo #define DRM_CAP_ATOMIC_ASYNC_PAGE_FLIP 0x15 784c1737f2bSArnaldo Carvalho de Melo 7853ae0415dSArnaldo Carvalho de Melo /* DRM_IOCTL_GET_CAP ioctl argument type */ 786c1737f2bSArnaldo Carvalho de Melo struct drm_get_cap { 787c1737f2bSArnaldo Carvalho de Melo __u64 capability; 788c1737f2bSArnaldo Carvalho de Melo __u64 value; 789c1737f2bSArnaldo Carvalho de Melo }; 790c1737f2bSArnaldo Carvalho de Melo 791c1737f2bSArnaldo Carvalho de Melo /** 792c1737f2bSArnaldo Carvalho de Melo * DRM_CLIENT_CAP_STEREO_3D 793c1737f2bSArnaldo Carvalho de Melo * 79484d5c07dSArnaldo Carvalho de Melo * If set to 1, the DRM core will expose the stereo 3D capabilities of the 795c1737f2bSArnaldo Carvalho de Melo * monitor by advertising the supported 3D layouts in the flags of struct 79684d5c07dSArnaldo Carvalho de Melo * drm_mode_modeinfo. See ``DRM_MODE_FLAG_3D_*``. 79784d5c07dSArnaldo Carvalho de Melo * 79884d5c07dSArnaldo Carvalho de Melo * This capability is always supported for all drivers starting from kernel 79984d5c07dSArnaldo Carvalho de Melo * version 3.13. 800c1737f2bSArnaldo Carvalho de Melo */ 801c1737f2bSArnaldo Carvalho de Melo #define DRM_CLIENT_CAP_STEREO_3D 1 802c1737f2bSArnaldo Carvalho de Melo 803c1737f2bSArnaldo Carvalho de Melo /** 804c1737f2bSArnaldo Carvalho de Melo * DRM_CLIENT_CAP_UNIVERSAL_PLANES 805c1737f2bSArnaldo Carvalho de Melo * 806c1737f2bSArnaldo Carvalho de Melo * If set to 1, the DRM core will expose all planes (overlay, primary, and 807c1737f2bSArnaldo Carvalho de Melo * cursor) to userspace. 80884d5c07dSArnaldo Carvalho de Melo * 80984d5c07dSArnaldo Carvalho de Melo * This capability has been introduced in kernel version 3.15. Starting from 81084d5c07dSArnaldo Carvalho de Melo * kernel version 3.17, this capability is always supported for all drivers. 811c1737f2bSArnaldo Carvalho de Melo */ 812c1737f2bSArnaldo Carvalho de Melo #define DRM_CLIENT_CAP_UNIVERSAL_PLANES 2 813c1737f2bSArnaldo Carvalho de Melo 814c1737f2bSArnaldo Carvalho de Melo /** 815c1737f2bSArnaldo Carvalho de Melo * DRM_CLIENT_CAP_ATOMIC 816c1737f2bSArnaldo Carvalho de Melo * 8173ae0415dSArnaldo Carvalho de Melo * If set to 1, the DRM core will expose atomic properties to userspace. This 8183ae0415dSArnaldo Carvalho de Melo * implicitly enables &DRM_CLIENT_CAP_UNIVERSAL_PLANES and 8193ae0415dSArnaldo Carvalho de Melo * &DRM_CLIENT_CAP_ASPECT_RATIO. 82084d5c07dSArnaldo Carvalho de Melo * 82184d5c07dSArnaldo Carvalho de Melo * If the driver doesn't support atomic mode-setting, enabling this capability 82284d5c07dSArnaldo Carvalho de Melo * will fail with -EOPNOTSUPP. 82384d5c07dSArnaldo Carvalho de Melo * 82484d5c07dSArnaldo Carvalho de Melo * This capability has been introduced in kernel version 4.0. Starting from 82584d5c07dSArnaldo Carvalho de Melo * kernel version 4.2, this capability is always supported for atomic-capable 82684d5c07dSArnaldo Carvalho de Melo * drivers. 827c1737f2bSArnaldo Carvalho de Melo */ 828c1737f2bSArnaldo Carvalho de Melo #define DRM_CLIENT_CAP_ATOMIC 3 829c1737f2bSArnaldo Carvalho de Melo 8307b818dc5SArnaldo Carvalho de Melo /** 8317b818dc5SArnaldo Carvalho de Melo * DRM_CLIENT_CAP_ASPECT_RATIO 8327b818dc5SArnaldo Carvalho de Melo * 8337b818dc5SArnaldo Carvalho de Melo * If set to 1, the DRM core will provide aspect ratio information in modes. 83484d5c07dSArnaldo Carvalho de Melo * See ``DRM_MODE_FLAG_PIC_AR_*``. 83584d5c07dSArnaldo Carvalho de Melo * 83684d5c07dSArnaldo Carvalho de Melo * This capability is always supported for all drivers starting from kernel 83784d5c07dSArnaldo Carvalho de Melo * version 4.18. 8387b818dc5SArnaldo Carvalho de Melo */ 8397b818dc5SArnaldo Carvalho de Melo #define DRM_CLIENT_CAP_ASPECT_RATIO 4 8407b818dc5SArnaldo Carvalho de Melo 841434ea1bfSArnaldo Carvalho de Melo /** 842434ea1bfSArnaldo Carvalho de Melo * DRM_CLIENT_CAP_WRITEBACK_CONNECTORS 843434ea1bfSArnaldo Carvalho de Melo * 844434ea1bfSArnaldo Carvalho de Melo * If set to 1, the DRM core will expose special connectors to be used for 84584d5c07dSArnaldo Carvalho de Melo * writing back to memory the scene setup in the commit. The client must enable 84684d5c07dSArnaldo Carvalho de Melo * &DRM_CLIENT_CAP_ATOMIC first. 84784d5c07dSArnaldo Carvalho de Melo * 84884d5c07dSArnaldo Carvalho de Melo * This capability is always supported for atomic-capable drivers starting from 84984d5c07dSArnaldo Carvalho de Melo * kernel version 4.19. 850434ea1bfSArnaldo Carvalho de Melo */ 851434ea1bfSArnaldo Carvalho de Melo #define DRM_CLIENT_CAP_WRITEBACK_CONNECTORS 5 852434ea1bfSArnaldo Carvalho de Melo 853*1233d1d5SArnaldo Carvalho de Melo /** 854*1233d1d5SArnaldo Carvalho de Melo * DRM_CLIENT_CAP_CURSOR_PLANE_HOTSPOT 855*1233d1d5SArnaldo Carvalho de Melo * 856*1233d1d5SArnaldo Carvalho de Melo * Drivers for para-virtualized hardware (e.g. vmwgfx, qxl, virtio and 857*1233d1d5SArnaldo Carvalho de Melo * virtualbox) have additional restrictions for cursor planes (thus 858*1233d1d5SArnaldo Carvalho de Melo * making cursor planes on those drivers not truly universal,) e.g. 859*1233d1d5SArnaldo Carvalho de Melo * they need cursor planes to act like one would expect from a mouse 860*1233d1d5SArnaldo Carvalho de Melo * cursor and have correctly set hotspot properties. 861*1233d1d5SArnaldo Carvalho de Melo * If this client cap is not set the DRM core will hide cursor plane on 862*1233d1d5SArnaldo Carvalho de Melo * those virtualized drivers because not setting it implies that the 863*1233d1d5SArnaldo Carvalho de Melo * client is not capable of dealing with those extra restictions. 864*1233d1d5SArnaldo Carvalho de Melo * Clients which do set cursor hotspot and treat the cursor plane 865*1233d1d5SArnaldo Carvalho de Melo * like a mouse cursor should set this property. 866*1233d1d5SArnaldo Carvalho de Melo * The client must enable &DRM_CLIENT_CAP_ATOMIC first. 867*1233d1d5SArnaldo Carvalho de Melo * 868*1233d1d5SArnaldo Carvalho de Melo * Setting this property on drivers which do not special case 869*1233d1d5SArnaldo Carvalho de Melo * cursor planes (i.e. non-virtualized drivers) will return 870*1233d1d5SArnaldo Carvalho de Melo * EOPNOTSUPP, which can be used by userspace to gauge 871*1233d1d5SArnaldo Carvalho de Melo * requirements of the hardware/drivers they're running on. 872*1233d1d5SArnaldo Carvalho de Melo * 873*1233d1d5SArnaldo Carvalho de Melo * This capability is always supported for atomic-capable virtualized 874*1233d1d5SArnaldo Carvalho de Melo * drivers starting from kernel version 6.6. 875*1233d1d5SArnaldo Carvalho de Melo */ 876*1233d1d5SArnaldo Carvalho de Melo #define DRM_CLIENT_CAP_CURSOR_PLANE_HOTSPOT 6 877*1233d1d5SArnaldo Carvalho de Melo 8783ae0415dSArnaldo Carvalho de Melo /* DRM_IOCTL_SET_CLIENT_CAP ioctl argument type */ 879c1737f2bSArnaldo Carvalho de Melo struct drm_set_client_cap { 880c1737f2bSArnaldo Carvalho de Melo __u64 capability; 881c1737f2bSArnaldo Carvalho de Melo __u64 value; 882c1737f2bSArnaldo Carvalho de Melo }; 883c1737f2bSArnaldo Carvalho de Melo 884c1737f2bSArnaldo Carvalho de Melo #define DRM_RDWR O_RDWR 885c1737f2bSArnaldo Carvalho de Melo #define DRM_CLOEXEC O_CLOEXEC 886c1737f2bSArnaldo Carvalho de Melo struct drm_prime_handle { 887c1737f2bSArnaldo Carvalho de Melo __u32 handle; 888c1737f2bSArnaldo Carvalho de Melo 889c1737f2bSArnaldo Carvalho de Melo /** Flags.. only applicable for handle->fd */ 890c1737f2bSArnaldo Carvalho de Melo __u32 flags; 891c1737f2bSArnaldo Carvalho de Melo 892c1737f2bSArnaldo Carvalho de Melo /** Returned dmabuf file descriptor */ 893c1737f2bSArnaldo Carvalho de Melo __s32 fd; 894c1737f2bSArnaldo Carvalho de Melo }; 895c1737f2bSArnaldo Carvalho de Melo 896c1737f2bSArnaldo Carvalho de Melo struct drm_syncobj_create { 897c1737f2bSArnaldo Carvalho de Melo __u32 handle; 898549a3976SIngo Molnar #define DRM_SYNCOBJ_CREATE_SIGNALED (1 << 0) 899c1737f2bSArnaldo Carvalho de Melo __u32 flags; 900c1737f2bSArnaldo Carvalho de Melo }; 901c1737f2bSArnaldo Carvalho de Melo 902c1737f2bSArnaldo Carvalho de Melo struct drm_syncobj_destroy { 903c1737f2bSArnaldo Carvalho de Melo __u32 handle; 904c1737f2bSArnaldo Carvalho de Melo __u32 pad; 905c1737f2bSArnaldo Carvalho de Melo }; 906c1737f2bSArnaldo Carvalho de Melo 907c1737f2bSArnaldo Carvalho de Melo #define DRM_SYNCOBJ_FD_TO_HANDLE_FLAGS_IMPORT_SYNC_FILE (1 << 0) 908c1737f2bSArnaldo Carvalho de Melo #define DRM_SYNCOBJ_HANDLE_TO_FD_FLAGS_EXPORT_SYNC_FILE (1 << 0) 909c1737f2bSArnaldo Carvalho de Melo struct drm_syncobj_handle { 910c1737f2bSArnaldo Carvalho de Melo __u32 handle; 911c1737f2bSArnaldo Carvalho de Melo __u32 flags; 912c1737f2bSArnaldo Carvalho de Melo 913c1737f2bSArnaldo Carvalho de Melo __s32 fd; 914c1737f2bSArnaldo Carvalho de Melo __u32 pad; 915c1737f2bSArnaldo Carvalho de Melo }; 916c1737f2bSArnaldo Carvalho de Melo 9179903c64fSArnaldo Carvalho de Melo struct drm_syncobj_transfer { 9189903c64fSArnaldo Carvalho de Melo __u32 src_handle; 9199903c64fSArnaldo Carvalho de Melo __u32 dst_handle; 9209903c64fSArnaldo Carvalho de Melo __u64 src_point; 9219903c64fSArnaldo Carvalho de Melo __u64 dst_point; 9229903c64fSArnaldo Carvalho de Melo __u32 flags; 9239903c64fSArnaldo Carvalho de Melo __u32 pad; 9249903c64fSArnaldo Carvalho de Melo }; 9259903c64fSArnaldo Carvalho de Melo 926549a3976SIngo Molnar #define DRM_SYNCOBJ_WAIT_FLAGS_WAIT_ALL (1 << 0) 927549a3976SIngo Molnar #define DRM_SYNCOBJ_WAIT_FLAGS_WAIT_FOR_SUBMIT (1 << 1) 9289903c64fSArnaldo Carvalho de Melo #define DRM_SYNCOBJ_WAIT_FLAGS_WAIT_AVAILABLE (1 << 2) /* wait for time point to become available */ 929*1233d1d5SArnaldo Carvalho de Melo #define DRM_SYNCOBJ_WAIT_FLAGS_WAIT_DEADLINE (1 << 3) /* set fence deadline to deadline_nsec */ 930549a3976SIngo Molnar struct drm_syncobj_wait { 931549a3976SIngo Molnar __u64 handles; 932549a3976SIngo Molnar /* absolute timeout */ 933549a3976SIngo Molnar __s64 timeout_nsec; 934549a3976SIngo Molnar __u32 count_handles; 935549a3976SIngo Molnar __u32 flags; 936549a3976SIngo Molnar __u32 first_signaled; /* only valid when not waiting all */ 937549a3976SIngo Molnar __u32 pad; 938*1233d1d5SArnaldo Carvalho de Melo /** 939*1233d1d5SArnaldo Carvalho de Melo * @deadline_nsec - fence deadline hint 940*1233d1d5SArnaldo Carvalho de Melo * 941*1233d1d5SArnaldo Carvalho de Melo * Deadline hint, in absolute CLOCK_MONOTONIC, to set on backing 942*1233d1d5SArnaldo Carvalho de Melo * fence(s) if the DRM_SYNCOBJ_WAIT_FLAGS_WAIT_DEADLINE flag is 943*1233d1d5SArnaldo Carvalho de Melo * set. 944*1233d1d5SArnaldo Carvalho de Melo */ 945*1233d1d5SArnaldo Carvalho de Melo __u64 deadline_nsec; 946549a3976SIngo Molnar }; 947549a3976SIngo Molnar 9489903c64fSArnaldo Carvalho de Melo struct drm_syncobj_timeline_wait { 9499903c64fSArnaldo Carvalho de Melo __u64 handles; 9509903c64fSArnaldo Carvalho de Melo /* wait on specific timeline point for every handles*/ 9519903c64fSArnaldo Carvalho de Melo __u64 points; 9529903c64fSArnaldo Carvalho de Melo /* absolute timeout */ 9539903c64fSArnaldo Carvalho de Melo __s64 timeout_nsec; 9549903c64fSArnaldo Carvalho de Melo __u32 count_handles; 9559903c64fSArnaldo Carvalho de Melo __u32 flags; 9569903c64fSArnaldo Carvalho de Melo __u32 first_signaled; /* only valid when not waiting all */ 9579903c64fSArnaldo Carvalho de Melo __u32 pad; 958*1233d1d5SArnaldo Carvalho de Melo /** 959*1233d1d5SArnaldo Carvalho de Melo * @deadline_nsec - fence deadline hint 960*1233d1d5SArnaldo Carvalho de Melo * 961*1233d1d5SArnaldo Carvalho de Melo * Deadline hint, in absolute CLOCK_MONOTONIC, to set on backing 962*1233d1d5SArnaldo Carvalho de Melo * fence(s) if the DRM_SYNCOBJ_WAIT_FLAGS_WAIT_DEADLINE flag is 963*1233d1d5SArnaldo Carvalho de Melo * set. 964*1233d1d5SArnaldo Carvalho de Melo */ 965*1233d1d5SArnaldo Carvalho de Melo __u64 deadline_nsec; 9669903c64fSArnaldo Carvalho de Melo }; 9679903c64fSArnaldo Carvalho de Melo 968c2122b68SArnaldo Carvalho de Melo /** 969c2122b68SArnaldo Carvalho de Melo * struct drm_syncobj_eventfd 970c2122b68SArnaldo Carvalho de Melo * @handle: syncobj handle. 971c2122b68SArnaldo Carvalho de Melo * @flags: Zero to wait for the point to be signalled, or 972c2122b68SArnaldo Carvalho de Melo * &DRM_SYNCOBJ_WAIT_FLAGS_WAIT_AVAILABLE to wait for a fence to be 973c2122b68SArnaldo Carvalho de Melo * available for the point. 974c2122b68SArnaldo Carvalho de Melo * @point: syncobj timeline point (set to zero for binary syncobjs). 975c2122b68SArnaldo Carvalho de Melo * @fd: Existing eventfd to sent events to. 976c2122b68SArnaldo Carvalho de Melo * @pad: Must be zero. 977c2122b68SArnaldo Carvalho de Melo * 978c2122b68SArnaldo Carvalho de Melo * Register an eventfd to be signalled by a syncobj. The eventfd counter will 979c2122b68SArnaldo Carvalho de Melo * be incremented by one. 980c2122b68SArnaldo Carvalho de Melo */ 981c2122b68SArnaldo Carvalho de Melo struct drm_syncobj_eventfd { 982c2122b68SArnaldo Carvalho de Melo __u32 handle; 983c2122b68SArnaldo Carvalho de Melo __u32 flags; 984c2122b68SArnaldo Carvalho de Melo __u64 point; 985c2122b68SArnaldo Carvalho de Melo __s32 fd; 986c2122b68SArnaldo Carvalho de Melo __u32 pad; 987c2122b68SArnaldo Carvalho de Melo }; 988c2122b68SArnaldo Carvalho de Melo 9899903c64fSArnaldo Carvalho de Melo 990549a3976SIngo Molnar struct drm_syncobj_array { 991549a3976SIngo Molnar __u64 handles; 992549a3976SIngo Molnar __u32 count_handles; 993549a3976SIngo Molnar __u32 pad; 994549a3976SIngo Molnar }; 995549a3976SIngo Molnar 996fd9bee5eSArnaldo Carvalho de Melo #define DRM_SYNCOBJ_QUERY_FLAGS_LAST_SUBMITTED (1 << 0) /* last available point on timeline syncobj */ 9979903c64fSArnaldo Carvalho de Melo struct drm_syncobj_timeline_array { 9989903c64fSArnaldo Carvalho de Melo __u64 handles; 9999903c64fSArnaldo Carvalho de Melo __u64 points; 10009903c64fSArnaldo Carvalho de Melo __u32 count_handles; 1001fd9bee5eSArnaldo Carvalho de Melo __u32 flags; 10029903c64fSArnaldo Carvalho de Melo }; 10039903c64fSArnaldo Carvalho de Melo 10049903c64fSArnaldo Carvalho de Melo 10058ce6d5ebSArnaldo Carvalho de Melo /* Query current scanout sequence number */ 10068ce6d5ebSArnaldo Carvalho de Melo struct drm_crtc_get_sequence { 10078ce6d5ebSArnaldo Carvalho de Melo __u32 crtc_id; /* requested crtc_id */ 10088ce6d5ebSArnaldo Carvalho de Melo __u32 active; /* return: crtc output is active */ 10098ce6d5ebSArnaldo Carvalho de Melo __u64 sequence; /* return: most recent vblank sequence */ 10108ce6d5ebSArnaldo Carvalho de Melo __s64 sequence_ns; /* return: most recent time of first pixel out */ 10118ce6d5ebSArnaldo Carvalho de Melo }; 10128ce6d5ebSArnaldo Carvalho de Melo 10138ce6d5ebSArnaldo Carvalho de Melo /* Queue event to be delivered at specified sequence. Time stamp marks 10148ce6d5ebSArnaldo Carvalho de Melo * when the first pixel of the refresh cycle leaves the display engine 10158ce6d5ebSArnaldo Carvalho de Melo * for the display 10168ce6d5ebSArnaldo Carvalho de Melo */ 10178ce6d5ebSArnaldo Carvalho de Melo #define DRM_CRTC_SEQUENCE_RELATIVE 0x00000001 /* sequence is relative to current */ 10188ce6d5ebSArnaldo Carvalho de Melo #define DRM_CRTC_SEQUENCE_NEXT_ON_MISS 0x00000002 /* Use next sequence if we've missed */ 10198ce6d5ebSArnaldo Carvalho de Melo 10208ce6d5ebSArnaldo Carvalho de Melo struct drm_crtc_queue_sequence { 10218ce6d5ebSArnaldo Carvalho de Melo __u32 crtc_id; 10228ce6d5ebSArnaldo Carvalho de Melo __u32 flags; 10238ce6d5ebSArnaldo Carvalho de Melo __u64 sequence; /* on input, target sequence. on output, actual sequence */ 10248ce6d5ebSArnaldo Carvalho de Melo __u64 user_data; /* user data passed to event */ 10258ce6d5ebSArnaldo Carvalho de Melo }; 10268ce6d5ebSArnaldo Carvalho de Melo 1027c1737f2bSArnaldo Carvalho de Melo #if defined(__cplusplus) 1028c1737f2bSArnaldo Carvalho de Melo } 1029c1737f2bSArnaldo Carvalho de Melo #endif 1030c1737f2bSArnaldo Carvalho de Melo 1031c1737f2bSArnaldo Carvalho de Melo #include "drm_mode.h" 1032c1737f2bSArnaldo Carvalho de Melo 1033c1737f2bSArnaldo Carvalho de Melo #if defined(__cplusplus) 1034c1737f2bSArnaldo Carvalho de Melo extern "C" { 1035c1737f2bSArnaldo Carvalho de Melo #endif 1036c1737f2bSArnaldo Carvalho de Melo 1037c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_BASE 'd' 1038c1737f2bSArnaldo Carvalho de Melo #define DRM_IO(nr) _IO(DRM_IOCTL_BASE,nr) 1039c1737f2bSArnaldo Carvalho de Melo #define DRM_IOR(nr,type) _IOR(DRM_IOCTL_BASE,nr,type) 1040c1737f2bSArnaldo Carvalho de Melo #define DRM_IOW(nr,type) _IOW(DRM_IOCTL_BASE,nr,type) 1041c1737f2bSArnaldo Carvalho de Melo #define DRM_IOWR(nr,type) _IOWR(DRM_IOCTL_BASE,nr,type) 1042c1737f2bSArnaldo Carvalho de Melo 1043c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_VERSION DRM_IOWR(0x00, struct drm_version) 1044c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_GET_UNIQUE DRM_IOWR(0x01, struct drm_unique) 1045c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_GET_MAGIC DRM_IOR( 0x02, struct drm_auth) 1046c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_IRQ_BUSID DRM_IOWR(0x03, struct drm_irq_busid) 1047c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_GET_MAP DRM_IOWR(0x04, struct drm_map) 1048c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_GET_CLIENT DRM_IOWR(0x05, struct drm_client) 1049c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_GET_STATS DRM_IOR( 0x06, struct drm_stats) 1050c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_SET_VERSION DRM_IOWR(0x07, struct drm_set_version) 1051c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_MODESET_CTL DRM_IOW(0x08, struct drm_modeset_ctl) 1052e6232180SYanteng Si /** 1053e6232180SYanteng Si * DRM_IOCTL_GEM_CLOSE - Close a GEM handle. 1054e6232180SYanteng Si * 1055e6232180SYanteng Si * GEM handles are not reference-counted by the kernel. User-space is 1056e6232180SYanteng Si * responsible for managing their lifetime. For example, if user-space imports 1057e6232180SYanteng Si * the same memory object twice on the same DRM file description, the same GEM 1058e6232180SYanteng Si * handle is returned by both imports, and user-space needs to ensure 1059e6232180SYanteng Si * &DRM_IOCTL_GEM_CLOSE is performed once only. The same situation can happen 1060e6232180SYanteng Si * when a memory object is allocated, then exported and imported again on the 1061e6232180SYanteng Si * same DRM file description. The &DRM_IOCTL_MODE_GETFB2 IOCTL is an exception 1062e6232180SYanteng Si * and always returns fresh new GEM handles even if an existing GEM handle 1063e6232180SYanteng Si * already refers to the same memory object before the IOCTL is performed. 1064e6232180SYanteng Si */ 1065c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_GEM_CLOSE DRM_IOW (0x09, struct drm_gem_close) 1066c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_GEM_FLINK DRM_IOWR(0x0a, struct drm_gem_flink) 1067c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_GEM_OPEN DRM_IOWR(0x0b, struct drm_gem_open) 1068c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_GET_CAP DRM_IOWR(0x0c, struct drm_get_cap) 1069c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_SET_CLIENT_CAP DRM_IOW( 0x0d, struct drm_set_client_cap) 1070c1737f2bSArnaldo Carvalho de Melo 1071c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_SET_UNIQUE DRM_IOW( 0x10, struct drm_unique) 1072c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_AUTH_MAGIC DRM_IOW( 0x11, struct drm_auth) 1073c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_BLOCK DRM_IOWR(0x12, struct drm_block) 1074c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_UNBLOCK DRM_IOWR(0x13, struct drm_block) 1075c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_CONTROL DRM_IOW( 0x14, struct drm_control) 1076c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_ADD_MAP DRM_IOWR(0x15, struct drm_map) 1077c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_ADD_BUFS DRM_IOWR(0x16, struct drm_buf_desc) 1078c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_MARK_BUFS DRM_IOW( 0x17, struct drm_buf_desc) 1079c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_INFO_BUFS DRM_IOWR(0x18, struct drm_buf_info) 1080c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_MAP_BUFS DRM_IOWR(0x19, struct drm_buf_map) 1081c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_FREE_BUFS DRM_IOW( 0x1a, struct drm_buf_free) 1082c1737f2bSArnaldo Carvalho de Melo 1083c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_RM_MAP DRM_IOW( 0x1b, struct drm_map) 1084c1737f2bSArnaldo Carvalho de Melo 1085c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_SET_SAREA_CTX DRM_IOW( 0x1c, struct drm_ctx_priv_map) 1086c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_GET_SAREA_CTX DRM_IOWR(0x1d, struct drm_ctx_priv_map) 1087c1737f2bSArnaldo Carvalho de Melo 1088c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_SET_MASTER DRM_IO(0x1e) 1089c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_DROP_MASTER DRM_IO(0x1f) 1090c1737f2bSArnaldo Carvalho de Melo 1091c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_ADD_CTX DRM_IOWR(0x20, struct drm_ctx) 1092c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_RM_CTX DRM_IOWR(0x21, struct drm_ctx) 1093c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_MOD_CTX DRM_IOW( 0x22, struct drm_ctx) 1094c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_GET_CTX DRM_IOWR(0x23, struct drm_ctx) 1095c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_SWITCH_CTX DRM_IOW( 0x24, struct drm_ctx) 1096c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_NEW_CTX DRM_IOW( 0x25, struct drm_ctx) 1097c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_RES_CTX DRM_IOWR(0x26, struct drm_ctx_res) 1098c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_ADD_DRAW DRM_IOWR(0x27, struct drm_draw) 1099c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_RM_DRAW DRM_IOWR(0x28, struct drm_draw) 1100c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_DMA DRM_IOWR(0x29, struct drm_dma) 1101c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_LOCK DRM_IOW( 0x2a, struct drm_lock) 1102c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_UNLOCK DRM_IOW( 0x2b, struct drm_lock) 1103c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_FINISH DRM_IOW( 0x2c, struct drm_lock) 1104c1737f2bSArnaldo Carvalho de Melo 1105e6232180SYanteng Si /** 1106e6232180SYanteng Si * DRM_IOCTL_PRIME_HANDLE_TO_FD - Convert a GEM handle to a DMA-BUF FD. 1107e6232180SYanteng Si * 1108e6232180SYanteng Si * User-space sets &drm_prime_handle.handle with the GEM handle to export and 1109e6232180SYanteng Si * &drm_prime_handle.flags, and gets back a DMA-BUF file descriptor in 1110e6232180SYanteng Si * &drm_prime_handle.fd. 1111e6232180SYanteng Si * 1112e6232180SYanteng Si * The export can fail for any driver-specific reason, e.g. because export is 1113e6232180SYanteng Si * not supported for this specific GEM handle (but might be for others). 1114e6232180SYanteng Si * 1115e6232180SYanteng Si * Support for exporting DMA-BUFs is advertised via &DRM_PRIME_CAP_EXPORT. 1116e6232180SYanteng Si */ 1117c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_PRIME_HANDLE_TO_FD DRM_IOWR(0x2d, struct drm_prime_handle) 1118e6232180SYanteng Si /** 1119e6232180SYanteng Si * DRM_IOCTL_PRIME_FD_TO_HANDLE - Convert a DMA-BUF FD to a GEM handle. 1120e6232180SYanteng Si * 1121e6232180SYanteng Si * User-space sets &drm_prime_handle.fd with a DMA-BUF file descriptor to 1122e6232180SYanteng Si * import, and gets back a GEM handle in &drm_prime_handle.handle. 1123e6232180SYanteng Si * &drm_prime_handle.flags is unused. 1124e6232180SYanteng Si * 1125e6232180SYanteng Si * If an existing GEM handle refers to the memory object backing the DMA-BUF, 1126e6232180SYanteng Si * that GEM handle is returned. Therefore user-space which needs to handle 1127e6232180SYanteng Si * arbitrary DMA-BUFs must have a user-space lookup data structure to manually 1128e6232180SYanteng Si * reference-count duplicated GEM handles. For more information see 1129e6232180SYanteng Si * &DRM_IOCTL_GEM_CLOSE. 1130e6232180SYanteng Si * 1131e6232180SYanteng Si * The import can fail for any driver-specific reason, e.g. because import is 1132e6232180SYanteng Si * only supported for DMA-BUFs allocated on this DRM device. 1133e6232180SYanteng Si * 1134e6232180SYanteng Si * Support for importing DMA-BUFs is advertised via &DRM_PRIME_CAP_IMPORT. 1135e6232180SYanteng Si */ 1136c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_PRIME_FD_TO_HANDLE DRM_IOWR(0x2e, struct drm_prime_handle) 1137c1737f2bSArnaldo Carvalho de Melo 1138c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_AGP_ACQUIRE DRM_IO( 0x30) 1139c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_AGP_RELEASE DRM_IO( 0x31) 1140c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_AGP_ENABLE DRM_IOW( 0x32, struct drm_agp_mode) 1141c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_AGP_INFO DRM_IOR( 0x33, struct drm_agp_info) 1142c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_AGP_ALLOC DRM_IOWR(0x34, struct drm_agp_buffer) 1143c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_AGP_FREE DRM_IOW( 0x35, struct drm_agp_buffer) 1144c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_AGP_BIND DRM_IOW( 0x36, struct drm_agp_binding) 1145c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_AGP_UNBIND DRM_IOW( 0x37, struct drm_agp_binding) 1146c1737f2bSArnaldo Carvalho de Melo 1147c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_SG_ALLOC DRM_IOWR(0x38, struct drm_scatter_gather) 1148c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_SG_FREE DRM_IOW( 0x39, struct drm_scatter_gather) 1149c1737f2bSArnaldo Carvalho de Melo 1150c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_WAIT_VBLANK DRM_IOWR(0x3a, union drm_wait_vblank) 1151c1737f2bSArnaldo Carvalho de Melo 11528ce6d5ebSArnaldo Carvalho de Melo #define DRM_IOCTL_CRTC_GET_SEQUENCE DRM_IOWR(0x3b, struct drm_crtc_get_sequence) 11538ce6d5ebSArnaldo Carvalho de Melo #define DRM_IOCTL_CRTC_QUEUE_SEQUENCE DRM_IOWR(0x3c, struct drm_crtc_queue_sequence) 11548ce6d5ebSArnaldo Carvalho de Melo 1155c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_UPDATE_DRAW DRM_IOW(0x3f, struct drm_update_draw) 1156c1737f2bSArnaldo Carvalho de Melo 1157c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_MODE_GETRESOURCES DRM_IOWR(0xA0, struct drm_mode_card_res) 1158c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_MODE_GETCRTC DRM_IOWR(0xA1, struct drm_mode_crtc) 1159c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_MODE_SETCRTC DRM_IOWR(0xA2, struct drm_mode_crtc) 1160c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_MODE_CURSOR DRM_IOWR(0xA3, struct drm_mode_cursor) 1161c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_MODE_GETGAMMA DRM_IOWR(0xA4, struct drm_mode_crtc_lut) 1162c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_MODE_SETGAMMA DRM_IOWR(0xA5, struct drm_mode_crtc_lut) 1163c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_MODE_GETENCODER DRM_IOWR(0xA6, struct drm_mode_get_encoder) 1164c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_MODE_GETCONNECTOR DRM_IOWR(0xA7, struct drm_mode_get_connector) 1165c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_MODE_ATTACHMODE DRM_IOWR(0xA8, struct drm_mode_mode_cmd) /* deprecated (never worked) */ 1166c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_MODE_DETACHMODE DRM_IOWR(0xA9, struct drm_mode_mode_cmd) /* deprecated (never worked) */ 1167c1737f2bSArnaldo Carvalho de Melo 1168c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_MODE_GETPROPERTY DRM_IOWR(0xAA, struct drm_mode_get_property) 1169c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_MODE_SETPROPERTY DRM_IOWR(0xAB, struct drm_mode_connector_set_property) 1170c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_MODE_GETPROPBLOB DRM_IOWR(0xAC, struct drm_mode_get_blob) 1171c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_MODE_GETFB DRM_IOWR(0xAD, struct drm_mode_fb_cmd) 1172c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_MODE_ADDFB DRM_IOWR(0xAE, struct drm_mode_fb_cmd) 117317a99e52SArnaldo Carvalho de Melo /** 117417a99e52SArnaldo Carvalho de Melo * DRM_IOCTL_MODE_RMFB - Remove a framebuffer. 117517a99e52SArnaldo Carvalho de Melo * 117617a99e52SArnaldo Carvalho de Melo * This removes a framebuffer previously added via ADDFB/ADDFB2. The IOCTL 117717a99e52SArnaldo Carvalho de Melo * argument is a framebuffer object ID. 117817a99e52SArnaldo Carvalho de Melo * 117917a99e52SArnaldo Carvalho de Melo * Warning: removing a framebuffer currently in-use on an enabled plane will 118017a99e52SArnaldo Carvalho de Melo * disable that plane. The CRTC the plane is linked to may also be disabled 118117a99e52SArnaldo Carvalho de Melo * (depending on driver capabilities). 118217a99e52SArnaldo Carvalho de Melo */ 1183c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_MODE_RMFB DRM_IOWR(0xAF, unsigned int) 1184c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_MODE_PAGE_FLIP DRM_IOWR(0xB0, struct drm_mode_crtc_page_flip) 1185c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_MODE_DIRTYFB DRM_IOWR(0xB1, struct drm_mode_fb_dirty_cmd) 1186c1737f2bSArnaldo Carvalho de Melo 11871041dfe6SNamhyung Kim /** 11881041dfe6SNamhyung Kim * DRM_IOCTL_MODE_CREATE_DUMB - Create a new dumb buffer object. 11891041dfe6SNamhyung Kim * 11901041dfe6SNamhyung Kim * KMS dumb buffers provide a very primitive way to allocate a buffer object 11911041dfe6SNamhyung Kim * suitable for scanout and map it for software rendering. KMS dumb buffers are 11921041dfe6SNamhyung Kim * not suitable for hardware-accelerated rendering nor video decoding. KMS dumb 11931041dfe6SNamhyung Kim * buffers are not suitable to be displayed on any other device than the KMS 11941041dfe6SNamhyung Kim * device where they were allocated from. Also see 11951041dfe6SNamhyung Kim * :ref:`kms_dumb_buffer_objects`. 11961041dfe6SNamhyung Kim * 11971041dfe6SNamhyung Kim * The IOCTL argument is a struct drm_mode_create_dumb. 11981041dfe6SNamhyung Kim * 11991041dfe6SNamhyung Kim * User-space is expected to create a KMS dumb buffer via this IOCTL, then add 12001041dfe6SNamhyung Kim * it as a KMS framebuffer via &DRM_IOCTL_MODE_ADDFB and map it via 12011041dfe6SNamhyung Kim * &DRM_IOCTL_MODE_MAP_DUMB. 12021041dfe6SNamhyung Kim * 12031041dfe6SNamhyung Kim * &DRM_CAP_DUMB_BUFFER indicates whether this IOCTL is supported. 12041041dfe6SNamhyung Kim * &DRM_CAP_DUMB_PREFERRED_DEPTH and &DRM_CAP_DUMB_PREFER_SHADOW indicate 12051041dfe6SNamhyung Kim * driver preferences for dumb buffers. 12061041dfe6SNamhyung Kim */ 1207c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_MODE_CREATE_DUMB DRM_IOWR(0xB2, struct drm_mode_create_dumb) 1208c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_MODE_MAP_DUMB DRM_IOWR(0xB3, struct drm_mode_map_dumb) 1209c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_MODE_DESTROY_DUMB DRM_IOWR(0xB4, struct drm_mode_destroy_dumb) 1210c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_MODE_GETPLANERESOURCES DRM_IOWR(0xB5, struct drm_mode_get_plane_res) 1211c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_MODE_GETPLANE DRM_IOWR(0xB6, struct drm_mode_get_plane) 1212c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_MODE_SETPLANE DRM_IOWR(0xB7, struct drm_mode_set_plane) 1213c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_MODE_ADDFB2 DRM_IOWR(0xB8, struct drm_mode_fb_cmd2) 1214c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_MODE_OBJ_GETPROPERTIES DRM_IOWR(0xB9, struct drm_mode_obj_get_properties) 1215c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_MODE_OBJ_SETPROPERTY DRM_IOWR(0xBA, struct drm_mode_obj_set_property) 1216c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_MODE_CURSOR2 DRM_IOWR(0xBB, struct drm_mode_cursor2) 1217c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_MODE_ATOMIC DRM_IOWR(0xBC, struct drm_mode_atomic) 1218c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_MODE_CREATEPROPBLOB DRM_IOWR(0xBD, struct drm_mode_create_blob) 1219c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_MODE_DESTROYPROPBLOB DRM_IOWR(0xBE, struct drm_mode_destroy_blob) 1220c1737f2bSArnaldo Carvalho de Melo 1221c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_SYNCOBJ_CREATE DRM_IOWR(0xBF, struct drm_syncobj_create) 1222c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_SYNCOBJ_DESTROY DRM_IOWR(0xC0, struct drm_syncobj_destroy) 1223c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_SYNCOBJ_HANDLE_TO_FD DRM_IOWR(0xC1, struct drm_syncobj_handle) 1224c1737f2bSArnaldo Carvalho de Melo #define DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE DRM_IOWR(0xC2, struct drm_syncobj_handle) 1225549a3976SIngo Molnar #define DRM_IOCTL_SYNCOBJ_WAIT DRM_IOWR(0xC3, struct drm_syncobj_wait) 1226549a3976SIngo Molnar #define DRM_IOCTL_SYNCOBJ_RESET DRM_IOWR(0xC4, struct drm_syncobj_array) 1227549a3976SIngo Molnar #define DRM_IOCTL_SYNCOBJ_SIGNAL DRM_IOWR(0xC5, struct drm_syncobj_array) 1228c1737f2bSArnaldo Carvalho de Melo 12298ce6d5ebSArnaldo Carvalho de Melo #define DRM_IOCTL_MODE_CREATE_LEASE DRM_IOWR(0xC6, struct drm_mode_create_lease) 12308ce6d5ebSArnaldo Carvalho de Melo #define DRM_IOCTL_MODE_LIST_LESSEES DRM_IOWR(0xC7, struct drm_mode_list_lessees) 12318ce6d5ebSArnaldo Carvalho de Melo #define DRM_IOCTL_MODE_GET_LEASE DRM_IOWR(0xC8, struct drm_mode_get_lease) 12328ce6d5ebSArnaldo Carvalho de Melo #define DRM_IOCTL_MODE_REVOKE_LEASE DRM_IOWR(0xC9, struct drm_mode_revoke_lease) 12338ce6d5ebSArnaldo Carvalho de Melo 12349903c64fSArnaldo Carvalho de Melo #define DRM_IOCTL_SYNCOBJ_TIMELINE_WAIT DRM_IOWR(0xCA, struct drm_syncobj_timeline_wait) 12359903c64fSArnaldo Carvalho de Melo #define DRM_IOCTL_SYNCOBJ_QUERY DRM_IOWR(0xCB, struct drm_syncobj_timeline_array) 12369903c64fSArnaldo Carvalho de Melo #define DRM_IOCTL_SYNCOBJ_TRANSFER DRM_IOWR(0xCC, struct drm_syncobj_transfer) 12379903c64fSArnaldo Carvalho de Melo #define DRM_IOCTL_SYNCOBJ_TIMELINE_SIGNAL DRM_IOWR(0xCD, struct drm_syncobj_timeline_array) 12389903c64fSArnaldo Carvalho de Melo 1239f1dcda0fSArnaldo Carvalho de Melo /** 1240f1dcda0fSArnaldo Carvalho de Melo * DRM_IOCTL_MODE_GETFB2 - Get framebuffer metadata. 1241f1dcda0fSArnaldo Carvalho de Melo * 1242f1dcda0fSArnaldo Carvalho de Melo * This queries metadata about a framebuffer. User-space fills 1243f1dcda0fSArnaldo Carvalho de Melo * &drm_mode_fb_cmd2.fb_id as the input, and the kernels fills the rest of the 1244f1dcda0fSArnaldo Carvalho de Melo * struct as the output. 1245f1dcda0fSArnaldo Carvalho de Melo * 1246f1dcda0fSArnaldo Carvalho de Melo * If the client is DRM master or has &CAP_SYS_ADMIN, &drm_mode_fb_cmd2.handles 1247e6232180SYanteng Si * will be filled with GEM buffer handles. Fresh new GEM handles are always 1248e6232180SYanteng Si * returned, even if another GEM handle referring to the same memory object 1249e6232180SYanteng Si * already exists on the DRM file description. The caller is responsible for 1250e6232180SYanteng Si * removing the new handles, e.g. via the &DRM_IOCTL_GEM_CLOSE IOCTL. The same 1251e6232180SYanteng Si * new handle will be returned for multiple planes in case they use the same 1252e6232180SYanteng Si * memory object. Planes are valid until one has a zero handle -- this can be 1253e6232180SYanteng Si * used to compute the number of planes. 1254f1dcda0fSArnaldo Carvalho de Melo * 1255f1dcda0fSArnaldo Carvalho de Melo * Otherwise, &drm_mode_fb_cmd2.handles will be zeroed and planes are valid 1256f1dcda0fSArnaldo Carvalho de Melo * until one has a zero &drm_mode_fb_cmd2.pitches. 1257f1dcda0fSArnaldo Carvalho de Melo * 1258f1dcda0fSArnaldo Carvalho de Melo * If the framebuffer has a format modifier, &DRM_MODE_FB_MODIFIERS will be set 1259f1dcda0fSArnaldo Carvalho de Melo * in &drm_mode_fb_cmd2.flags and &drm_mode_fb_cmd2.modifier will contain the 1260f1dcda0fSArnaldo Carvalho de Melo * modifier. Otherwise, user-space must ignore &drm_mode_fb_cmd2.modifier. 1261e6232180SYanteng Si * 1262e6232180SYanteng Si * To obtain DMA-BUF FDs for each plane without leaking GEM handles, user-space 1263e6232180SYanteng Si * can export each handle via &DRM_IOCTL_PRIME_HANDLE_TO_FD, then immediately 1264e6232180SYanteng Si * close each unique handle via &DRM_IOCTL_GEM_CLOSE, making sure to not 1265e6232180SYanteng Si * double-close handles which are specified multiple times in the array. 1266f1dcda0fSArnaldo Carvalho de Melo */ 12670719bdf4SArnaldo Carvalho de Melo #define DRM_IOCTL_MODE_GETFB2 DRM_IOWR(0xCE, struct drm_mode_fb_cmd2) 12680719bdf4SArnaldo Carvalho de Melo 1269c2122b68SArnaldo Carvalho de Melo #define DRM_IOCTL_SYNCOBJ_EVENTFD DRM_IOWR(0xCF, struct drm_syncobj_eventfd) 1270c2122b68SArnaldo Carvalho de Melo 1271*1233d1d5SArnaldo Carvalho de Melo /** 1272*1233d1d5SArnaldo Carvalho de Melo * DRM_IOCTL_MODE_CLOSEFB - Close a framebuffer. 1273*1233d1d5SArnaldo Carvalho de Melo * 1274*1233d1d5SArnaldo Carvalho de Melo * This closes a framebuffer previously added via ADDFB/ADDFB2. The IOCTL 1275*1233d1d5SArnaldo Carvalho de Melo * argument is a framebuffer object ID. 1276*1233d1d5SArnaldo Carvalho de Melo * 1277*1233d1d5SArnaldo Carvalho de Melo * This IOCTL is similar to &DRM_IOCTL_MODE_RMFB, except it doesn't disable 1278*1233d1d5SArnaldo Carvalho de Melo * planes and CRTCs. As long as the framebuffer is used by a plane, it's kept 1279*1233d1d5SArnaldo Carvalho de Melo * alive. When the plane no longer uses the framebuffer (because the 1280*1233d1d5SArnaldo Carvalho de Melo * framebuffer is replaced with another one, or the plane is disabled), the 1281*1233d1d5SArnaldo Carvalho de Melo * framebuffer is cleaned up. 1282*1233d1d5SArnaldo Carvalho de Melo * 1283*1233d1d5SArnaldo Carvalho de Melo * This is useful to implement flicker-free transitions between two processes. 1284*1233d1d5SArnaldo Carvalho de Melo * 1285*1233d1d5SArnaldo Carvalho de Melo * Depending on the threat model, user-space may want to ensure that the 1286*1233d1d5SArnaldo Carvalho de Melo * framebuffer doesn't expose any sensitive user information: closed 1287*1233d1d5SArnaldo Carvalho de Melo * framebuffers attached to a plane can be read back by the next DRM master. 1288*1233d1d5SArnaldo Carvalho de Melo */ 1289*1233d1d5SArnaldo Carvalho de Melo #define DRM_IOCTL_MODE_CLOSEFB DRM_IOWR(0xD0, struct drm_mode_closefb) 1290*1233d1d5SArnaldo Carvalho de Melo 12913ae0415dSArnaldo Carvalho de Melo /* 1292c1737f2bSArnaldo Carvalho de Melo * Device specific ioctls should only be in their respective headers 1293c1737f2bSArnaldo Carvalho de Melo * The device specific ioctl range is from 0x40 to 0x9f. 1294c1737f2bSArnaldo Carvalho de Melo * Generic IOCTLS restart at 0xA0. 1295c1737f2bSArnaldo Carvalho de Melo * 1296c1737f2bSArnaldo Carvalho de Melo * \sa drmCommandNone(), drmCommandRead(), drmCommandWrite(), and 1297c1737f2bSArnaldo Carvalho de Melo * drmCommandReadWrite(). 1298c1737f2bSArnaldo Carvalho de Melo */ 1299c1737f2bSArnaldo Carvalho de Melo #define DRM_COMMAND_BASE 0x40 1300c1737f2bSArnaldo Carvalho de Melo #define DRM_COMMAND_END 0xA0 1301c1737f2bSArnaldo Carvalho de Melo 1302c2122b68SArnaldo Carvalho de Melo /** 1303c2122b68SArnaldo Carvalho de Melo * struct drm_event - Header for DRM events 1304c2122b68SArnaldo Carvalho de Melo * @type: event type. 1305c2122b68SArnaldo Carvalho de Melo * @length: total number of payload bytes (including header). 1306c1737f2bSArnaldo Carvalho de Melo * 1307c2122b68SArnaldo Carvalho de Melo * This struct is a header for events written back to user-space on the DRM FD. 1308c2122b68SArnaldo Carvalho de Melo * A read on the DRM FD will always only return complete events: e.g. if the 1309c2122b68SArnaldo Carvalho de Melo * read buffer is 100 bytes large and there are two 64 byte events pending, 1310c2122b68SArnaldo Carvalho de Melo * only one will be returned. 1311c2122b68SArnaldo Carvalho de Melo * 1312c2122b68SArnaldo Carvalho de Melo * Event types 0 - 0x7fffffff are generic DRM events, 0x80000000 and 1313c2122b68SArnaldo Carvalho de Melo * up are chipset specific. Generic DRM events include &DRM_EVENT_VBLANK, 1314c2122b68SArnaldo Carvalho de Melo * &DRM_EVENT_FLIP_COMPLETE and &DRM_EVENT_CRTC_SEQUENCE. 1315c1737f2bSArnaldo Carvalho de Melo */ 1316c1737f2bSArnaldo Carvalho de Melo struct drm_event { 1317c1737f2bSArnaldo Carvalho de Melo __u32 type; 1318c1737f2bSArnaldo Carvalho de Melo __u32 length; 1319c1737f2bSArnaldo Carvalho de Melo }; 1320c1737f2bSArnaldo Carvalho de Melo 1321c2122b68SArnaldo Carvalho de Melo /** 1322c2122b68SArnaldo Carvalho de Melo * DRM_EVENT_VBLANK - vertical blanking event 1323c2122b68SArnaldo Carvalho de Melo * 1324c2122b68SArnaldo Carvalho de Melo * This event is sent in response to &DRM_IOCTL_WAIT_VBLANK with the 1325c2122b68SArnaldo Carvalho de Melo * &_DRM_VBLANK_EVENT flag set. 1326c2122b68SArnaldo Carvalho de Melo * 1327c2122b68SArnaldo Carvalho de Melo * The event payload is a struct drm_event_vblank. 1328c2122b68SArnaldo Carvalho de Melo */ 1329c1737f2bSArnaldo Carvalho de Melo #define DRM_EVENT_VBLANK 0x01 1330c2122b68SArnaldo Carvalho de Melo /** 1331c2122b68SArnaldo Carvalho de Melo * DRM_EVENT_FLIP_COMPLETE - page-flip completion event 1332c2122b68SArnaldo Carvalho de Melo * 1333c2122b68SArnaldo Carvalho de Melo * This event is sent in response to an atomic commit or legacy page-flip with 1334c2122b68SArnaldo Carvalho de Melo * the &DRM_MODE_PAGE_FLIP_EVENT flag set. 1335c2122b68SArnaldo Carvalho de Melo * 1336c2122b68SArnaldo Carvalho de Melo * The event payload is a struct drm_event_vblank. 1337c2122b68SArnaldo Carvalho de Melo */ 1338c1737f2bSArnaldo Carvalho de Melo #define DRM_EVENT_FLIP_COMPLETE 0x02 1339c2122b68SArnaldo Carvalho de Melo /** 1340c2122b68SArnaldo Carvalho de Melo * DRM_EVENT_CRTC_SEQUENCE - CRTC sequence event 1341c2122b68SArnaldo Carvalho de Melo * 1342c2122b68SArnaldo Carvalho de Melo * This event is sent in response to &DRM_IOCTL_CRTC_QUEUE_SEQUENCE. 1343c2122b68SArnaldo Carvalho de Melo * 1344c2122b68SArnaldo Carvalho de Melo * The event payload is a struct drm_event_crtc_sequence. 1345c2122b68SArnaldo Carvalho de Melo */ 13468ce6d5ebSArnaldo Carvalho de Melo #define DRM_EVENT_CRTC_SEQUENCE 0x03 1347c1737f2bSArnaldo Carvalho de Melo 1348c1737f2bSArnaldo Carvalho de Melo struct drm_event_vblank { 1349c1737f2bSArnaldo Carvalho de Melo struct drm_event base; 1350c1737f2bSArnaldo Carvalho de Melo __u64 user_data; 1351c1737f2bSArnaldo Carvalho de Melo __u32 tv_sec; 1352c1737f2bSArnaldo Carvalho de Melo __u32 tv_usec; 1353c1737f2bSArnaldo Carvalho de Melo __u32 sequence; 1354c1737f2bSArnaldo Carvalho de Melo __u32 crtc_id; /* 0 on older kernels that do not support this */ 1355c1737f2bSArnaldo Carvalho de Melo }; 1356c1737f2bSArnaldo Carvalho de Melo 13578ce6d5ebSArnaldo Carvalho de Melo /* Event delivered at sequence. Time stamp marks when the first pixel 13588ce6d5ebSArnaldo Carvalho de Melo * of the refresh cycle leaves the display engine for the display 13598ce6d5ebSArnaldo Carvalho de Melo */ 13608ce6d5ebSArnaldo Carvalho de Melo struct drm_event_crtc_sequence { 13618ce6d5ebSArnaldo Carvalho de Melo struct drm_event base; 13628ce6d5ebSArnaldo Carvalho de Melo __u64 user_data; 13638ce6d5ebSArnaldo Carvalho de Melo __s64 time_ns; 13648ce6d5ebSArnaldo Carvalho de Melo __u64 sequence; 13658ce6d5ebSArnaldo Carvalho de Melo }; 13668ce6d5ebSArnaldo Carvalho de Melo 1367c1737f2bSArnaldo Carvalho de Melo /* typedef area */ 1368c1737f2bSArnaldo Carvalho de Melo #ifndef __KERNEL__ 1369c1737f2bSArnaldo Carvalho de Melo typedef struct drm_clip_rect drm_clip_rect_t; 1370c1737f2bSArnaldo Carvalho de Melo typedef struct drm_drawable_info drm_drawable_info_t; 1371c1737f2bSArnaldo Carvalho de Melo typedef struct drm_tex_region drm_tex_region_t; 1372c1737f2bSArnaldo Carvalho de Melo typedef struct drm_hw_lock drm_hw_lock_t; 1373c1737f2bSArnaldo Carvalho de Melo typedef struct drm_version drm_version_t; 1374c1737f2bSArnaldo Carvalho de Melo typedef struct drm_unique drm_unique_t; 1375c1737f2bSArnaldo Carvalho de Melo typedef struct drm_list drm_list_t; 1376c1737f2bSArnaldo Carvalho de Melo typedef struct drm_block drm_block_t; 1377c1737f2bSArnaldo Carvalho de Melo typedef struct drm_control drm_control_t; 1378c1737f2bSArnaldo Carvalho de Melo typedef enum drm_map_type drm_map_type_t; 1379c1737f2bSArnaldo Carvalho de Melo typedef enum drm_map_flags drm_map_flags_t; 1380c1737f2bSArnaldo Carvalho de Melo typedef struct drm_ctx_priv_map drm_ctx_priv_map_t; 1381c1737f2bSArnaldo Carvalho de Melo typedef struct drm_map drm_map_t; 1382c1737f2bSArnaldo Carvalho de Melo typedef struct drm_client drm_client_t; 1383c1737f2bSArnaldo Carvalho de Melo typedef enum drm_stat_type drm_stat_type_t; 1384c1737f2bSArnaldo Carvalho de Melo typedef struct drm_stats drm_stats_t; 1385c1737f2bSArnaldo Carvalho de Melo typedef enum drm_lock_flags drm_lock_flags_t; 1386c1737f2bSArnaldo Carvalho de Melo typedef struct drm_lock drm_lock_t; 1387c1737f2bSArnaldo Carvalho de Melo typedef enum drm_dma_flags drm_dma_flags_t; 1388c1737f2bSArnaldo Carvalho de Melo typedef struct drm_buf_desc drm_buf_desc_t; 1389c1737f2bSArnaldo Carvalho de Melo typedef struct drm_buf_info drm_buf_info_t; 1390c1737f2bSArnaldo Carvalho de Melo typedef struct drm_buf_free drm_buf_free_t; 1391c1737f2bSArnaldo Carvalho de Melo typedef struct drm_buf_pub drm_buf_pub_t; 1392c1737f2bSArnaldo Carvalho de Melo typedef struct drm_buf_map drm_buf_map_t; 1393c1737f2bSArnaldo Carvalho de Melo typedef struct drm_dma drm_dma_t; 1394c1737f2bSArnaldo Carvalho de Melo typedef union drm_wait_vblank drm_wait_vblank_t; 1395c1737f2bSArnaldo Carvalho de Melo typedef struct drm_agp_mode drm_agp_mode_t; 1396c1737f2bSArnaldo Carvalho de Melo typedef enum drm_ctx_flags drm_ctx_flags_t; 1397c1737f2bSArnaldo Carvalho de Melo typedef struct drm_ctx drm_ctx_t; 1398c1737f2bSArnaldo Carvalho de Melo typedef struct drm_ctx_res drm_ctx_res_t; 1399c1737f2bSArnaldo Carvalho de Melo typedef struct drm_draw drm_draw_t; 1400c1737f2bSArnaldo Carvalho de Melo typedef struct drm_update_draw drm_update_draw_t; 1401c1737f2bSArnaldo Carvalho de Melo typedef struct drm_auth drm_auth_t; 1402c1737f2bSArnaldo Carvalho de Melo typedef struct drm_irq_busid drm_irq_busid_t; 1403c1737f2bSArnaldo Carvalho de Melo typedef enum drm_vblank_seq_type drm_vblank_seq_type_t; 1404c1737f2bSArnaldo Carvalho de Melo 1405c1737f2bSArnaldo Carvalho de Melo typedef struct drm_agp_buffer drm_agp_buffer_t; 1406c1737f2bSArnaldo Carvalho de Melo typedef struct drm_agp_binding drm_agp_binding_t; 1407c1737f2bSArnaldo Carvalho de Melo typedef struct drm_agp_info drm_agp_info_t; 1408c1737f2bSArnaldo Carvalho de Melo typedef struct drm_scatter_gather drm_scatter_gather_t; 1409c1737f2bSArnaldo Carvalho de Melo typedef struct drm_set_version drm_set_version_t; 1410c1737f2bSArnaldo Carvalho de Melo #endif 1411c1737f2bSArnaldo Carvalho de Melo 1412c1737f2bSArnaldo Carvalho de Melo #if defined(__cplusplus) 1413c1737f2bSArnaldo Carvalho de Melo } 1414c1737f2bSArnaldo Carvalho de Melo #endif 1415c1737f2bSArnaldo Carvalho de Melo 1416c1737f2bSArnaldo Carvalho de Melo #endif 1417