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Diffstat (limited to 'drivers/char/drm/drm.h')
| -rw-r--r-- | drivers/char/drm/drm.h | 675 |
1 files changed, 675 insertions, 0 deletions
diff --git a/drivers/char/drm/drm.h b/drivers/char/drm/drm.h new file mode 100644 index 000000000000..587305282ea8 --- /dev/null +++ b/drivers/char/drm/drm.h @@ -0,0 +1,675 @@ +/** + * \file drm.h + * Header for the Direct Rendering Manager + * + * \author Rickard E. (Rik) Faith <faith@valinux.com> + * + * \par Acknowledgments: + * Dec 1999, Richard Henderson <rth@twiddle.net>, move to generic \c cmpxchg. + */ + +/* + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + + +#ifndef _DRM_H_ +#define _DRM_H_ + +#if defined(__linux__) +#include <linux/config.h> +#include <asm/ioctl.h> /* For _IO* macros */ +#define DRM_IOCTL_NR(n) _IOC_NR(n) +#define DRM_IOC_VOID _IOC_NONE +#define DRM_IOC_READ _IOC_READ +#define DRM_IOC_WRITE _IOC_WRITE +#define DRM_IOC_READWRITE _IOC_READ|_IOC_WRITE +#define DRM_IOC(dir, group, nr, size) _IOC(dir, group, nr, size) +#elif defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) +#if defined(__FreeBSD__) && defined(IN_MODULE) +/* Prevent name collision when including sys/ioccom.h */ +#undef ioctl +#include <sys/ioccom.h> +#define ioctl(a,b,c) xf86ioctl(a,b,c) +#else +#include <sys/ioccom.h> +#endif /* __FreeBSD__ && xf86ioctl */ +#define DRM_IOCTL_NR(n) ((n) & 0xff) +#define DRM_IOC_VOID IOC_VOID +#define DRM_IOC_READ IOC_OUT +#define DRM_IOC_WRITE IOC_IN +#define DRM_IOC_READWRITE IOC_INOUT +#define DRM_IOC(dir, group, nr, size) _IOC(dir, group, nr, size) +#endif + +#define XFREE86_VERSION(major,minor,patch,snap) \ + ((major << 16) | (minor << 8) | patch) + +#ifndef CONFIG_XFREE86_VERSION +#define CONFIG_XFREE86_VERSION XFREE86_VERSION(4,1,0,0) +#endif + +#if CONFIG_XFREE86_VERSION < XFREE86_VERSION(4,1,0,0) +#define DRM_PROC_DEVICES "/proc/devices" +#define DRM_PROC_MISC "/proc/misc" +#define DRM_PROC_DRM "/proc/drm" +#define DRM_DEV_DRM "/dev/drm" +#define DRM_DEV_MODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP) +#define DRM_DEV_UID 0 +#define DRM_DEV_GID 0 +#endif + +#if CONFIG_XFREE86_VERSION >= XFREE86_VERSION(4,1,0,0) +#define DRM_MAJOR 226 +#define DRM_MAX_MINOR 15 +#endif +#define DRM_NAME "drm" /**< Name in kernel, /dev, and /proc */ +#define DRM_MIN_ORDER 5 /**< At least 2^5 bytes = 32 bytes */ +#define DRM_MAX_ORDER 22 /**< Up to 2^22 bytes = 4MB */ +#define DRM_RAM_PERCENT 10 /**< How much system ram can we lock? */ + +#define _DRM_LOCK_HELD 0x80000000 /**< Hardware lock is held */ +#define _DRM_LOCK_CONT 0x40000000 /**< Hardware lock is contended */ +#define _DRM_LOCK_IS_HELD(lock) ((lock) & _DRM_LOCK_HELD) +#define _DRM_LOCK_IS_CONT(lock) ((lock) & _DRM_LOCK_CONT) +#define _DRM_LOCKING_CONTEXT(lock) ((lock) & ~(_DRM_LOCK_HELD|_DRM_LOCK_CONT)) + + +typedef unsigned long drm_handle_t; +typedef unsigned int drm_context_t; +typedef unsigned int drm_drawable_t; +typedef unsigned int drm_magic_t; + + +/** + * Cliprect. + * + * \warning: If you change this structure, make sure you change + * XF86DRIClipRectRec in the server as well + * + * \note KW: Actually it's illegal to change either for + * backwards-compatibility reasons. + */ +typedef struct drm_clip_rect { + unsigned short x1; + unsigned short y1; + unsigned short x2; + unsigned short y2; +} drm_clip_rect_t; + + +/** + * Texture region, + */ +typedef struct drm_tex_region { + unsigned char next; + unsigned char prev; + unsigned char in_use; + unsigned char padding; + unsigned int age; +} drm_tex_region_t; + +/** + * Hardware lock. + * + * The lock structure is a simple cache-line aligned integer. To avoid + * processor bus contention on a multiprocessor system, there should not be any + * other data stored in the same cache line. + */ +typedef struct drm_hw_lock { + __volatile__ unsigned int lock; /**< lock variable */ + char padding[60]; /**< Pad to cache line */ +} drm_hw_lock_t; + + +/** + * DRM_IOCTL_VERSION ioctl argument type. + * + * \sa drmGetVersion(). + */ +typedef struct drm_version { + int version_major; /**< Major version */ + int version_minor; /**< Minor version */ + int version_patchlevel;/**< Patch level */ + size_t name_len; /**< Length of name buffer */ + char __user *name; /**< Name of driver */ + size_t date_len; /**< Length of date buffer */ + char __user *date; /**< User-space buffer to hold date */ + size_t desc_len; /**< Length of desc buffer */ + char __user *desc; /**< User-space buffer to hold desc */ +} drm_version_t; + + +/** + * DRM_IOCTL_GET_UNIQUE ioctl argument type. + * + * \sa drmGetBusid() and drmSetBusId(). + */ +typedef struct drm_unique { + size_t unique_len; /**< Length of unique */ + char __user *unique; /**< Unique name for driver instantiation */ +} drm_unique_t; + + +typedef struct drm_list { + int count; /**< Length of user-space structures */ + drm_version_t __user *version; +} drm_list_t; + + +typedef struct drm_block { + int unused; +} drm_block_t; + + +/** + * DRM_IOCTL_CONTROL ioctl argument type. + * + * \sa drmCtlInstHandler() and drmCtlUninstHandler(). + */ +typedef struct drm_control { + enum { + DRM_ADD_COMMAND, + DRM_RM_COMMAND, + DRM_INST_HANDLER, + DRM_UNINST_HANDLER + } func; + int irq; +} drm_control_t; + + +/** + * Type of memory to map. + */ +typedef enum drm_map_type { + _DRM_FRAME_BUFFER = 0, /**< WC (no caching), no core dump */ + _DRM_REGISTERS = 1, /**< no caching, no core dump */ + _DRM_SHM = 2, /**< shared, cached */ + _DRM_AGP = 3, /**< AGP/GART */ + _DRM_SCATTER_GATHER = 4 /**< Scatter/gather memory for PCI DMA */ +} drm_map_type_t; + + +/** + * Memory mapping flags. + */ +typedef enum drm_map_flags { + _DRM_RESTRICTED = 0x01, /**< Cannot be mapped to user-virtual */ + _DRM_READ_ONLY = 0x02, + _DRM_LOCKED = 0x04, /**< shared, cached, locked */ + _DRM_KERNEL = 0x08, /**< kernel requires access */ + _DRM_WRITE_COMBINING = 0x10, /**< use write-combining if available */ + _DRM_CONTAINS_LOCK = 0x20, /**< SHM page that contains lock */ + _DRM_REMOVABLE = 0x40 /**< Removable mapping */ +} drm_map_flags_t; + + +typedef struct drm_ctx_priv_map { + unsigned int ctx_id; /**< Context requesting private mapping */ + void *handle; /**< Handle of map */ +} drm_ctx_priv_map_t; + + +/** + * DRM_IOCTL_GET_MAP, DRM_IOCTL_ADD_MAP and DRM_IOCTL_RM_MAP ioctls + * argument type. + * + * \sa drmAddMap(). + */ +typedef struct drm_map { + unsigned long offset; /**< Requested physical address (0 for SAREA)*/ + unsigned long size; /**< Requested physical size (bytes) */ + drm_map_type_t type; /**< Type of memory to map */ + drm_map_flags_t flags; /**< Flags */ + void *handle; /**< User-space: "Handle" to pass to mmap() */ + /**< Kernel-space: kernel-virtual address */ + int mtrr; /**< MTRR slot used */ + /* Private data */ +} drm_map_t; + + +/** + * DRM_IOCTL_GET_CLIENT ioctl argument type. + */ +typedef struct drm_client { + int idx; /**< Which client desired? */ + int auth; /**< Is client authenticated? */ + unsigned long pid; /**< Process ID */ + unsigned long uid; /**< User ID */ + unsigned long magic; /**< Magic */ + unsigned long iocs; /**< Ioctl count */ +} drm_client_t; + + +typedef enum { + _DRM_STAT_LOCK, + _DRM_STAT_OPENS, + _DRM_STAT_CLOSES, + _DRM_STAT_IOCTLS, + _DRM_STAT_LOCKS, + _DRM_STAT_UNLOCKS, + _DRM_STAT_VALUE, /**< Generic value */ + _DRM_STAT_BYTE, /**< Generic byte counter (1024bytes/K) */ + _DRM_STAT_COUNT, /**< Generic non-byte counter (1000/k) */ + + _DRM_STAT_IRQ, /**< IRQ */ + _DRM_STAT_PRIMARY, /**< Primary DMA bytes */ + _DRM_STAT_SECONDARY, /**< Secondary DMA bytes */ + _DRM_STAT_DMA, /**< DMA */ + _DRM_STAT_SPECIAL, /**< Special DMA (e.g., priority or polled) */ + _DRM_STAT_MISSED /**< Missed DMA opportunity */ + + /* Add to the *END* of the list */ +} drm_stat_type_t; + + +/** + * DRM_IOCTL_GET_STATS ioctl argument type. + */ +typedef struct drm_stats { + unsigned long count; + struct { + unsigned long value; + drm_stat_type_t type; + } data[15]; +} drm_stats_t; + + +/** + * Hardware locking flags. + */ +typedef enum drm_lock_flags { + _DRM_LOCK_READY = 0x01, /**< Wait until hardware is ready for DMA */ + _DRM_LOCK_QUIESCENT = 0x02, /**< Wait until hardware quiescent */ + _DRM_LOCK_FLUSH = 0x04, /**< Flush this context's DMA queue first */ + _DRM_LOCK_FLUSH_ALL = 0x08, /**< Flush all DMA queues first */ + /* These *HALT* flags aren't supported yet + -- they will be used to support the + full-screen DGA-like mode. */ + _DRM_HALT_ALL_QUEUES = 0x10, /**< Halt all current and future queues */ + _DRM_HALT_CUR_QUEUES = 0x20 /**< Halt all current queues */ +} drm_lock_flags_t; + + +/** + * DRM_IOCTL_LOCK, DRM_IOCTL_UNLOCK and DRM_IOCTL_FINISH ioctl argument type. + * + * \sa drmGetLock() and drmUnlock(). + */ +typedef struct drm_lock { + int context; + drm_lock_flags_t flags; +} drm_lock_t; + + +/** + * DMA flags + * + * \warning + * These values \e must match xf86drm.h. + * + * \sa drm_dma. + */ +typedef enum drm_dma_flags { + /* Flags for DMA buffer dispatch */ + _DRM_DMA_BLOCK = 0x01, /**< + * Block until buffer dispatched. + * + * \note The buffer may not yet have + * been processed by the hardware -- + * getting a hardware lock with the + * hardware quiescent will ensure + * that the buffer has been + * processed. + */ + _DRM_DMA_WHILE_LOCKED = 0x02, /**< Dispatch while lock held */ + _DRM_DMA_PRIORITY = 0x04, /**< High priority dispatch */ + + /* Flags for DMA buffer request */ + _DRM_DMA_WAIT = 0x10, /**< Wait for free buffers */ + _DRM_DMA_SMALLER_OK = 0x20, /**< Smaller-than-requested buffers OK */ + _DRM_DMA_LARGER_OK = 0x40 /**< Larger-than-requested buffers OK */ +} drm_dma_flags_t; + + +/** + * DRM_IOCTL_ADD_BUFS and DRM_IOCTL_MARK_BUFS ioctl argument type. + * + * \sa drmAddBufs(). + */ +typedef struct drm_buf_desc { + int count; /**< Number of buffers of this size */ + int size; /**< Size in bytes */ + int low_mark; /**< Low water mark */ + int high_mark; /**< High water mark */ + enum { + _DRM_PAGE_ALIGN = 0x01, /**< Align on page boundaries for DMA */ + _DRM_AGP_BUFFER = 0x02, /**< Buffer is in AGP space */ + _DRM_SG_BUFFER = 0x04 /**< Scatter/gather memory buffer */ + } flags; + unsigned long agp_start; /**< + * Start address of where the AGP buffers are + * in the AGP aperture + */ +} drm_buf_desc_t; + + +/** + * DRM_IOCTL_INFO_BUFS ioctl argument type. + */ +typedef struct drm_buf_info { + int count; /**< Entries in list */ + drm_buf_desc_t __user *list; +} drm_buf_info_t; + + +/** + * DRM_IOCTL_FREE_BUFS ioctl argument type. + */ +typedef struct drm_buf_free { + int count; + int __user *list; +} drm_buf_free_t; + + +/** + * Buffer information + * + * \sa drm_buf_map. + */ +typedef struct drm_buf_pub { + int idx; /**< Index into the master buffer list */ + int total; /**< Buffer size */ + int used; /**< Amount of buffer in use (for DMA) */ + void __user *address; /**< Address of buffer */ +} drm_buf_pub_t; + + +/** + * DRM_IOCTL_MAP_BUFS ioctl argument type. + */ +typedef struct drm_buf_map { + int count; /**< Length of the buffer list */ + void __user *virtual; /**< Mmap'd area in user-virtual */ + drm_buf_pub_t __user *list; /**< Buffer information */ +} drm_buf_map_t; + + +/** + * DRM_IOCTL_DMA ioctl argument type. + * + * Indices here refer to the offset into the buffer list in drm_buf_get. + * + * \sa drmDMA(). + */ +typedef struct drm_dma { + int context; /**< Context handle */ + int send_count; /**< Number of buffers to send */ + int __user *send_indices; /**< List of handles to buffers */ + int __user *send_sizes; /**< Lengths of data to send */ + drm_dma_flags_t flags; /**< Flags */ + int request_count; /**< Number of buffers requested */ + int request_size; /**< Desired size for buffers */ + int __user *request_indices; /**< Buffer information */ + int __user *request_sizes; + int granted_count; /**< Number of buffers granted */ +} drm_dma_t; + + +typedef enum { + _DRM_CONTEXT_PRESERVED = 0x01, + _DRM_CONTEXT_2DONLY = 0x02 +} drm_ctx_flags_t; + + +/** + * DRM_IOCTL_ADD_CTX ioctl argument type. + * + * \sa drmCreateContext() and drmDestroyContext(). + */ +typedef struct drm_ctx { + drm_context_t handle; + drm_ctx_flags_t flags; +} drm_ctx_t; + + +/** + * DRM_IOCTL_RES_CTX ioctl argument type. + */ +typedef struct drm_ctx_res { + int count; + drm_ctx_t __user *contexts; +} drm_ctx_res_t; + + +/** + * DRM_IOCTL_ADD_DRAW and DRM_IOCTL_RM_DRAW ioctl argument type. + */ +typedef struct drm_draw { + drm_drawable_t handle; +} drm_draw_t; + + +/** + * DRM_IOCTL_GET_MAGIC and DRM_IOCTL_AUTH_MAGIC ioctl argument type. + */ +typedef struct drm_auth { + drm_magic_t magic; +} drm_auth_t; + + +/** + * DRM_IOCTL_IRQ_BUSID ioctl argument type. + * + * \sa drmGetInterruptFromBusID(). + */ +typedef struct drm_irq_busid { + int irq; /**< IRQ number */ + int busnum; /**< bus number */ + int devnum; /**< device number */ + int funcnum; /**< function number */ +} drm_irq_busid_t; + + +typedef enum { + _DRM_VBLANK_ABSOLUTE = 0x0, /**< Wait for specific vblank sequence number */ + _DRM_VBLANK_RELATIVE = 0x1, /**< Wait for given number of vblanks */ + _DRM_VBLANK_SIGNAL = 0x40000000 /**< Send signal instead of blocking */ +} drm_vblank_seq_type_t; + + +#define _DRM_VBLANK_FLAGS_MASK _DRM_VBLANK_SIGNAL + + +struct drm_wait_vblank_request { + drm_vblank_seq_type_t type; + unsigned int sequence; + unsigned long signal; +}; + + +struct drm_wait_vblank_reply { + drm_vblank_seq_type_t type; + unsigned int sequence; + long tval_sec; + long tval_usec; +}; + + +/** + * DRM_IOCTL_WAIT_VBLANK ioctl argument type. + * + * \sa drmWaitVBlank(). + */ +typedef union drm_wait_vblank { + struct drm_wait_vblank_request request; + struct drm_wait_vblank_reply reply; +} drm_wait_vblank_t; + + +/** + * DRM_IOCTL_AGP_ENABLE ioctl argument type. + * + * \sa drmAgpEnable(). + */ +typedef struct drm_agp_mode { + unsigned long mode; /**< AGP mode */ +} drm_agp_mode_t; + + +/** + * DRM_IOCTL_AGP_ALLOC and DRM_IOCTL_AGP_FREE ioctls argument type. + * + * \sa drmAgpAlloc() and drmAgpFree(). + */ +typedef struct drm_agp_buffer { + unsigned long size; /**< In bytes -- will round to page boundary */ + unsigned long handle; /**< Used for binding / unbinding */ + unsigned long type; /**< Type of memory to allocate */ + unsigned long physical; /**< Physical used by i810 */ +} drm_agp_buffer_t; + + +/** + * DRM_IOCTL_AGP_BIND and DRM_IOCTL_AGP_UNBIND ioctls argument type. + * + * \sa drmAgpBind() and drmAgpUnbind(). + */ +typedef struct drm_agp_binding { + unsigned long handle; /**< From drm_agp_buffer */ + unsigned long offset; /**< In bytes -- will round to page boundary */ +} drm_agp_binding_t; + + +/** + * DRM_IOCTL_AGP_INFO ioctl argument type. + * + * \sa drmAgpVersionMajor(), drmAgpVersionMinor(), drmAgpGetMode(), + * drmAgpBase(), drmAgpSize(), drmAgpMemoryUsed(), drmAgpMemoryAvail(), + * drmAgpVendorId() and drmAgpDeviceId(). + */ +typedef struct drm_agp_info { + int agp_version_major; + int agp_version_minor; + unsigned long mode; + unsigned long aperture_base; /* physical address */ + unsigned long aperture_size; /* bytes */ + unsigned long memory_allowed; /* bytes */ + unsigned long memory_used; + + /* PCI information */ + unsigned short id_vendor; + unsigned short id_device; +} drm_agp_info_t; + + +/** + * DRM_IOCTL_SG_ALLOC ioctl argument type. + */ +typedef struct drm_scatter_gather { + unsigned long size; /**< In bytes -- will round to page boundary */ + unsigned long handle; /**< Used for mapping / unmapping */ +} drm_scatter_gather_t; + +/** + * DRM_IOCTL_SET_VERSION ioctl argument type. + */ +typedef struct drm_set_version { + int drm_di_major; + int drm_di_minor; + int drm_dd_major; + int drm_dd_minor; +} drm_set_version_t; + + +#define DRM_IOCTL_BASE 'd' +#define DRM_IO(nr) _IO(DRM_IOCTL_BASE,nr) +#define DRM_IOR(nr,type) _IOR(DRM_IOCTL_BASE,nr,type) +#define DRM_IOW(nr,type) _IOW(DRM_IOCTL_BASE,nr,type) +#define DRM_IOWR(nr,type) _IOWR(DRM_IOCTL_BASE,nr,type) + +#define DRM_IOCTL_VERSION DRM_IOWR(0x00, drm_version_t) +#define DRM_IOCTL_GET_UNIQUE DRM_IOWR(0x01, drm_unique_t) +#define DRM_IOCTL_GET_MAGIC DRM_IOR( 0x02, drm_auth_t) +#define DRM_IOCTL_IRQ_BUSID DRM_IOWR(0x03, drm_irq_busid_t) +#define DRM_IOCTL_GET_MAP DRM_IOWR(0x04, drm_map_t) +#define DRM_IOCTL_GET_CLIENT DRM_IOWR(0x05, drm_client_t) +#define DRM_IOCTL_GET_STATS DRM_IOR( 0x06, drm_stats_t) +#define DRM_IOCTL_SET_VERSION DRM_IOWR(0x07, drm_set_version_t) + +#define DRM_IOCTL_SET_UNIQUE DRM_IOW( 0x10, drm_unique_t) +#define DRM_IOCTL_AUTH_MAGIC DRM_IOW( 0x11, drm_auth_t) +#define DRM_IOCTL_BLOCK DRM_IOWR(0x12, drm_block_t) +#define DRM_IOCTL_UNBLOCK DRM_IOWR(0x13, drm_block_t) +#define DRM_IOCTL_CONTROL DRM_IOW( 0x14, drm_control_t) +#define DRM_IOCTL_ADD_MAP DRM_IOWR(0x15, drm_map_t) +#define DRM_IOCTL_ADD_BUFS DRM_IOWR(0x16, drm_buf_desc_t) +#define DRM_IOCTL_MARK_BUFS DRM_IOW( 0x17, drm_buf_desc_t) +#define DRM_IOCTL_INFO_BUFS DRM_IOWR(0x18, drm_buf_info_t) +#define DRM_IOCTL_MAP_BUFS DRM_IOWR(0x19, drm_buf_map_t) +#define DRM_IOCTL_FREE_BUFS DRM_IOW( 0x1a, drm_buf_free_t) + +#define DRM_IOCTL_RM_MAP DRM_IOW( 0x1b, drm_map_t) + +#define DRM_IOCTL_SET_SAREA_CTX DRM_IOW( 0x1c, drm_ctx_priv_map_t) +#define DRM_IOCTL_GET_SAREA_CTX DRM_IOWR(0x1d, drm_ctx_priv_map_t) + +#define DRM_IOCTL_ADD_CTX DRM_IOWR(0x20, drm_ctx_t) +#define DRM_IOCTL_RM_CTX DRM_IOWR(0x21, drm_ctx_t) +#define DRM_IOCTL_MOD_CTX DRM_IOW( 0x22, drm_ctx_t) +#define DRM_IOCTL_GET_CTX DRM_IOWR(0x23, drm_ctx_t) +#define DRM_IOCTL_SWITCH_CTX DRM_IOW( 0x24, drm_ctx_t) +#define DRM_IOCTL_NEW_CTX DRM_IOW( 0x25, drm_ctx_t) +#define DRM_IOCTL_RES_CTX DRM_IOWR(0x26, drm_ctx_res_t) +#define DRM_IOCTL_ADD_DRAW DRM_IOWR(0x27, drm_draw_t) +#define DRM_IOCTL_RM_DRAW DRM_IOWR(0x28, drm_draw_t) +#define DRM_IOCTL_DMA DRM_IOWR(0x29, drm_dma_t) +#define DRM_IOCTL_LOCK DRM_IOW( 0x2a, drm_lock_t) +#define DRM_IOCTL_UNLOCK DRM_IOW( 0x2b, drm_lock_t) +#define DRM_IOCTL_FINISH DRM_IOW( 0x2c, drm_lock_t) + +#define DRM_IOCTL_AGP_ACQUIRE DRM_IO( 0x30) +#define DRM_IOCTL_AGP_RELEASE DRM_IO( 0x31) +#define DRM_IOCTL_AGP_ENABLE DRM_IOW( 0x32, drm_agp_mode_t) +#define DRM_IOCTL_AGP_INFO DRM_IOR( 0x33, drm_agp_info_t) +#define DRM_IOCTL_AGP_ALLOC DRM_IOWR(0x34, drm_agp_buffer_t) +#define DRM_IOCTL_AGP_FREE DRM_IOW( 0x35, drm_agp_buffer_t) +#define DRM_IOCTL_AGP_BIND DRM_IOW( 0x36, drm_agp_binding_t) +#define DRM_IOCTL_AGP_UNBIND DRM_IOW( 0x37, drm_agp_binding_t) + +#define DRM_IOCTL_SG_ALLOC DRM_IOW( 0x38, drm_scatter_gather_t) +#define DRM_IOCTL_SG_FREE DRM_IOW( 0x39, drm_scatter_gather_t) + +#define DRM_IOCTL_WAIT_VBLANK DRM_IOWR(0x3a, drm_wait_vblank_t) + +/** + * Device specific ioctls should only be in their respective headers + * The device specific ioctl range is from 0x40 to 0x79. + * + * \sa drmCommandNone(), drmCommandRead(), drmCommandWrite(), and + * drmCommandReadWrite(). + */ +#define DRM_COMMAND_BASE 0x40 + +#endif |