drm.h
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- /* drm.h -- Header for Direct Rendering Manager -*- linux-c -*-
- * Created: Mon Jan 4 10:05:05 1999 by faith@precisioninsight.com
- *
- * 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
- * PRECISION INSIGHT 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.
- *
- * Authors:
- * Rickard E. (Rik) Faith <faith@valinux.com>
- *
- * Acknowledgements:
- * Dec 1999, Richard Henderson <rth@twiddle.net>, move to generic cmpxchg.
- *
- */
- #ifndef _DRM_H_
- #define _DRM_H_
- #include <linux/config.h>
- #if defined(__linux__)
- #include <asm/ioctl.h> /* For _IO* macros */
- #define DRM_IOCTL_NR(n) _IOC_NR(n)
- #elif defined(__FreeBSD__)
- #include <sys/ioccom.h>
- #define DRM_IOCTL_NR(n) ((n) & 0xff)
- #endif
- #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
- #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;
- /* Warning: If you change this structure, make sure you change
- * XF86DRIClipRectRec in the server as well */
- typedef struct drm_clip_rect {
- unsigned short x1;
- unsigned short y1;
- unsigned short x2;
- unsigned short y2;
- } drm_clip_rect_t;
- /* Seperate include files for the i810/mga/r128 specific structures */
- #include "mga_drm.h"
- #include "i810_drm.h"
- #include "r128_drm.h"
- #include "radeon_drm.h"
- #ifdef CONFIG_DRM40_SIS
- #include "sis_drm.h"
- #endif
- 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 *name; /* Name of driver */
- size_t date_len; /* Length of date buffer */
- char *date; /* User-space buffer to hold date */
- size_t desc_len; /* Length of desc buffer */
- char *desc; /* User-space buffer to hold desc */
- } drm_version_t;
- typedef struct drm_unique {
- size_t unique_len; /* Length of unique */
- char *unique; /* Unique name for driver instantiation */
- } drm_unique_t;
- typedef struct drm_list {
- int count; /* Length of user-space structures */
- drm_version_t *version;
- } drm_list_t;
- typedef struct drm_block {
- int unused;
- } drm_block_t;
- typedef struct drm_control {
- enum {
- DRM_ADD_COMMAND,
- DRM_RM_COMMAND,
- DRM_INST_HANDLER,
- DRM_UNINST_HANDLER
- } func;
- int irq;
- } drm_control_t;
- 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_map_type_t;
- 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_map_flags_t;
- 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;
- 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;
- typedef struct drm_lock {
- int context;
- drm_lock_flags_t flags;
- } drm_lock_t;
- typedef enum drm_dma_flags { /* These values *MUST* match xf86drm.h */
- /* 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;
- 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 */
- } flags;
- unsigned long agp_start; /* Start address of where the agp buffers
- * are in the agp aperture */
- } drm_buf_desc_t;
- typedef struct drm_buf_info {
- int count; /* Entries in list */
- drm_buf_desc_t *list;
- } drm_buf_info_t;
- typedef struct drm_buf_free {
- int count;
- int *list;
- } drm_buf_free_t;
- typedef struct drm_buf_pub {
- int idx; /* Index into master buflist */
- int total; /* Buffer size */
- int used; /* Amount of buffer in use (for DMA) */
- void *address; /* Address of buffer */
- } drm_buf_pub_t;
- typedef struct drm_buf_map {
- int count; /* Length of buflist */
- void *virtual; /* Mmaped area in user-virtual */
- drm_buf_pub_t *list; /* Buffer information */
- } drm_buf_map_t;
- typedef struct drm_dma {
- /* Indices here refer to the offset into
- buflist in drm_buf_get_t. */
- int context; /* Context handle */
- int send_count; /* Number of buffers to send */
- int *send_indices; /* List of handles to buffers */
- int *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 *request_indices; /* Buffer information */
- int *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;
- typedef struct drm_ctx {
- drm_context_t handle;
- drm_ctx_flags_t flags;
- } drm_ctx_t;
- typedef struct drm_ctx_res {
- int count;
- drm_ctx_t *contexts;
- } drm_ctx_res_t;
- typedef struct drm_draw {
- drm_drawable_t handle;
- } drm_draw_t;
- typedef struct drm_auth {
- drm_magic_t magic;
- } drm_auth_t;
- typedef struct drm_irq_busid {
- int irq;
- int busnum;
- int devnum;
- int funcnum;
- } drm_irq_busid_t;
- typedef struct drm_agp_mode {
- unsigned long mode;
- } drm_agp_mode_t;
- /* For drm_agp_alloc -- allocated a buffer */
- typedef struct drm_agp_buffer {
- unsigned long size; /* In bytes -- will round to page boundary */
- unsigned long handle; /* Used for BIND/UNBIND ioctls */
- unsigned long type; /* Type of memory to allocate */
- unsigned long physical; /* Physical used by i810 */
- } drm_agp_buffer_t;
- /* For drm_agp_bind */
- 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;
- 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;
- #define DRM_IOCTL_BASE 'd'
- #define DRM_IO(nr) _IO(DRM_IOCTL_BASE,nr)
- #define DRM_IOR(nr,size) _IOR(DRM_IOCTL_BASE,nr,size)
- #define DRM_IOW(nr,size) _IOW(DRM_IOCTL_BASE,nr,size)
- #define DRM_IOWR(nr,size) _IOWR(DRM_IOCTL_BASE,nr,size)
- #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_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_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)
- /* Mga specific ioctls */
- #define DRM_IOCTL_MGA_INIT DRM_IOW( 0x40, drm_mga_init_t)
- #define DRM_IOCTL_MGA_SWAP DRM_IOW( 0x41, drm_mga_swap_t)
- #define DRM_IOCTL_MGA_CLEAR DRM_IOW( 0x42, drm_mga_clear_t)
- #define DRM_IOCTL_MGA_ILOAD DRM_IOW( 0x43, drm_mga_iload_t)
- #define DRM_IOCTL_MGA_VERTEX DRM_IOW( 0x44, drm_mga_vertex_t)
- #define DRM_IOCTL_MGA_FLUSH DRM_IOW( 0x45, drm_lock_t )
- #define DRM_IOCTL_MGA_INDICES DRM_IOW( 0x46, drm_mga_indices_t)
- #define DRM_IOCTL_MGA_BLIT DRM_IOW( 0x47, drm_mga_blit_t)
- /* I810 specific ioctls */
- #define DRM_IOCTL_I810_INIT DRM_IOW( 0x40, drm_i810_init_t)
- #define DRM_IOCTL_I810_VERTEX DRM_IOW( 0x41, drm_i810_vertex_t)
- #define DRM_IOCTL_I810_CLEAR DRM_IOW( 0x42, drm_i810_clear_t)
- #define DRM_IOCTL_I810_FLUSH DRM_IO( 0x43)
- #define DRM_IOCTL_I810_GETAGE DRM_IO( 0x44)
- #define DRM_IOCTL_I810_GETBUF DRM_IOWR(0x45, drm_i810_dma_t)
- #define DRM_IOCTL_I810_SWAP DRM_IO( 0x46)
- #define DRM_IOCTL_I810_COPY DRM_IOW( 0x47, drm_i810_copy_t)
- #define DRM_IOCTL_I810_DOCOPY DRM_IO( 0x48)
- /* Rage 128 specific ioctls */
- #define DRM_IOCTL_R128_INIT DRM_IOW( 0x40, drm_r128_init_t)
- #define DRM_IOCTL_R128_CCE_START DRM_IO( 0x41)
- #define DRM_IOCTL_R128_CCE_STOP DRM_IOW( 0x42, drm_r128_cce_stop_t)
- #define DRM_IOCTL_R128_CCE_RESET DRM_IO( 0x43)
- #define DRM_IOCTL_R128_CCE_IDLE DRM_IO( 0x44)
- #define DRM_IOCTL_R128_RESET DRM_IO( 0x46)
- #define DRM_IOCTL_R128_SWAP DRM_IO( 0x47)
- #define DRM_IOCTL_R128_CLEAR DRM_IOW( 0x48, drm_r128_clear_t)
- #define DRM_IOCTL_R128_VERTEX DRM_IOW( 0x49, drm_r128_vertex_t)
- #define DRM_IOCTL_R128_INDICES DRM_IOW( 0x4a, drm_r128_indices_t)
- #define DRM_IOCTL_R128_BLIT DRM_IOW( 0x4b, drm_r128_blit_t)
- #define DRM_IOCTL_R128_DEPTH DRM_IOW( 0x4c, drm_r128_depth_t)
- #define DRM_IOCTL_R128_STIPPLE DRM_IOW( 0x4d, drm_r128_stipple_t)
- #define DRM_IOCTL_R128_PACKET DRM_IOWR(0x4e, drm_r128_packet_t)
- /* Radeon specific ioctls */
- #define DRM_IOCTL_RADEON_CP_INIT DRM_IOW( 0x40, drm_radeon_init_t)
- #define DRM_IOCTL_RADEON_CP_START DRM_IO( 0x41)
- #define DRM_IOCTL_RADEON_CP_STOP DRM_IOW( 0x42, drm_radeon_cp_stop_t)
- #define DRM_IOCTL_RADEON_CP_RESET DRM_IO( 0x43)
- #define DRM_IOCTL_RADEON_CP_IDLE DRM_IO( 0x44)
- #define DRM_IOCTL_RADEON_RESET DRM_IO( 0x45)
- #define DRM_IOCTL_RADEON_FULLSCREEN DRM_IOW( 0x46, drm_radeon_fullscreen_t)
- #define DRM_IOCTL_RADEON_SWAP DRM_IO( 0x47)
- #define DRM_IOCTL_RADEON_CLEAR DRM_IOW( 0x48, drm_radeon_clear_t)
- #define DRM_IOCTL_RADEON_VERTEX DRM_IOW( 0x49, drm_radeon_vertex_t)
- #define DRM_IOCTL_RADEON_INDICES DRM_IOW( 0x4a, drm_radeon_indices_t)
- #define DRM_IOCTL_RADEON_BLIT DRM_IOW( 0x4b, drm_radeon_blit_t)
- #define DRM_IOCTL_RADEON_STIPPLE DRM_IOW( 0x4c, drm_radeon_stipple_t)
- #define DRM_IOCTL_RADEON_INDIRECT DRM_IOWR(0x4d, drm_radeon_indirect_t)
- #ifdef CONFIG_DRM40_SIS
- /* SiS specific ioctls */
- #define SIS_IOCTL_FB_ALLOC DRM_IOWR(0x44, drm_sis_mem_t)
- #define SIS_IOCTL_FB_FREE DRM_IOW( 0x45, drm_sis_mem_t)
- #define SIS_IOCTL_AGP_INIT DRM_IOWR(0x53, drm_sis_agp_t)
- #define SIS_IOCTL_AGP_ALLOC DRM_IOWR(0x54, drm_sis_mem_t)
- #define SIS_IOCTL_AGP_FREE DRM_IOW( 0x55, drm_sis_mem_t)
- #define SIS_IOCTL_FLIP DRM_IOW( 0x48, drm_sis_flip_t)
- #define SIS_IOCTL_FLIP_INIT DRM_IO( 0x49)
- #define SIS_IOCTL_FLIP_FINAL DRM_IO( 0x50)
- #endif
- #endif