/* drmP.h -- Private 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 * 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. * * Authors: * Rickard E. (Rik) Faith * Gareth Hughes * */ #ifndef _DRM_P_H_ #define _DRM_P_H_ #if defined(_KERNEL) || defined(__KERNEL__) #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "drm.h" #include "drm_linux_list.h" #include "drm_atomic.h" #define DRM_KERNEL_CONTEXT 0 /* Change drm_resctx if changed */ #define DRM_RESERVED_CONTEXTS 1 /* Change drm_resctx if changed */ #define DRM_MEM_DMA 0 #define DRM_MEM_SAREA 1 #define DRM_MEM_DRIVER 2 #define DRM_MEM_MAGIC 3 #define DRM_MEM_IOCTLS 4 #define DRM_MEM_MAPS 5 #define DRM_MEM_BUFS 6 #define DRM_MEM_SEGS 7 #define DRM_MEM_PAGES 8 #define DRM_MEM_FILES 9 #define DRM_MEM_QUEUES 10 #define DRM_MEM_CMDS 11 #define DRM_MEM_MAPPINGS 12 #define DRM_MEM_BUFLISTS 13 #define DRM_MEM_AGPLISTS 14 #define DRM_MEM_TOTALAGP 15 #define DRM_MEM_BOUNDAGP 16 #define DRM_MEM_CTXBITMAP 17 #define DRM_MEM_CTXLIST 18 #define DRM_MEM_STUB 19 #define DRM_MEM_SGLISTS 20 #define DRM_MEM_DRAWABLE 21 #define DRM_MEM_MM 22 #define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8) /* Internal types and structures */ #define DRM_ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0])) #define DRM_MIN(a,b) ((a)<(b)?(a):(b)) #define DRM_MAX(a,b) ((a)>(b)?(a):(b)) #define DRM_IF_VERSION(maj, min) (maj << 16 | min) #define __OS_HAS_AGP 1 #define DRM_WAKEUP(w) wakeup((void *)w) #define DRM_CURPROC curproc #define DRM_CURRENTPID curproc->p_pid #define DRM_NOOP do {} while(0) #define DRM_SPINTYPE struct mutex #define DRM_SPININIT(l,name) mtx_init(l,IPL_NONE) #define DRM_SPINUNINIT(l) DRM_NOOP #define DRM_SPINLOCK(l) mtx_enter(l) #define DRM_SPINUNLOCK(l) mtx_leave(l) #define DRM_SPINLOCK_IRQSAVE(l, irqflags) do { \ DRM_SPINLOCK(l); \ (void)irqflags; \ } while (0) #define DRM_SPINUNLOCK_IRQRESTORE(u, irqflags) DRM_SPINUNLOCK(u) #define DRM_SPINLOCK_ASSERT(l) DRM_NOOP #define DRM_LOCK() rw_enter_write(&dev->dev_lock) #define DRM_UNLOCK() rw_exit_write(&dev->dev_lock) #define DRM_MAXUNITS 8 /* Deal with netbsd code where only the print statements differ */ #define printk printf #define __unused /* nothing */ #define DRM_IRQ_ARGS void *arg typedef int irqreturn_t; #define IRQ_HANDLED 1 #define IRQ_NONE 0 enum { DRM_IS_NOT_AGP, DRM_IS_AGP, DRM_MIGHT_BE_AGP }; #define DRM_AGP_MEM struct agp_memory_info /* D_CLONE only supports one device, this will be fixed eventually */ #define drm_get_device_from_kdev(_kdev) \ (drm_cd.cd_ndevs > 0 ? drm_cd.cd_devs[0] : NULL) #if 0 #define drm_get_device_from_kdev(_kdev) \ (minor(_kdev) < drm_cd.cd_ndevs) ? drm_cd.cd_devs[minor(_kdev)] : NULL #endif /* DRM_SUSER returns true if the user is superuser */ #define DRM_SUSER(p) (suser(p, p->p_acflag) == 0) extern int ticks; /* really should be in a header */ #define jiffies ticks #define DRM_MTRR_WC MDF_WRITECOMBINE #define PAGE_ALIGN(addr) (((addr) + PAGE_SIZE - 1) & PAGE_MASK) extern struct cfdriver drm_cd; typedef u_int64_t u64; typedef u_int32_t u32; typedef u_int16_t u16; typedef u_int8_t u8; /* DRM_READMEMORYBARRIER() prevents reordering of reads. * DRM_WRITEMEMORYBARRIER() prevents reordering of writes. * DRM_MEMORYBARRIER() prevents reordering of reads and writes. */ #if defined(__i386__) #define DRM_READMEMORYBARRIER() __asm __volatile( \ "lock; addl $0,0(%%esp)" : : : "memory"); #define DRM_WRITEMEMORYBARRIER() __asm __volatile("" : : : "memory"); #define DRM_MEMORYBARRIER() __asm __volatile( \ "lock; addl $0,0(%%esp)" : : : "memory"); #elif defined(__alpha__) #define DRM_READMEMORYBARRIER() alpha_mb(); #define DRM_WRITEMEMORYBARRIER() alpha_wmb(); #define DRM_MEMORYBARRIER() alpha_mb(); #elif defined(__amd64__) #define DRM_READMEMORYBARRIER() __asm __volatile( \ "lock; addl $0,0(%%rsp)" : : : "memory"); #define DRM_WRITEMEMORYBARRIER() __asm __volatile("" : : : "memory"); #define DRM_MEMORYBARRIER() __asm __volatile( \ "lock; addl $0,0(%%rsp)" : : : "memory"); #endif #define DRM_READ8(map, offset) drm_read8(map, offset) #define DRM_READ16(map, offset) drm_read16(map, offset) #define DRM_READ32(map, offset) drm_read32(map, offset) #define DRM_WRITE8(map, offset, val) drm_write8(map, offset, val) #define DRM_WRITE16(map, offset, val) drm_write16(map, offset, val) #define DRM_WRITE32(map, offset, val) drm_write32(map, offset, val) #define DRM_VERIFYAREA_READ( uaddr, size ) \ (!uvm_map_checkprot(&(curproc->p_vmspace->vm_map), \ (vaddr_t)uaddr, (vaddr_t)uaddr+size, UVM_PROT_READ)) #define DRM_COPY_TO_USER(user, kern, size) \ copyout(kern, user, size) #define DRM_COPY_FROM_USER(kern, user, size) \ copyin(user, kern, size) #define DRM_COPY_FROM_USER_UNCHECKED(arg1, arg2, arg3) \ copyin(arg2, arg1, arg3) #define DRM_COPY_TO_USER_UNCHECKED(arg1, arg2, arg3) \ copyout(arg2, arg1, arg3) #define DRM_GET_USER_UNCHECKED(val, uaddr) \ ((val) = fuword(uaddr), 0) #define le32_to_cpu(x) letoh32(x) #define cpu_to_le32(x) htole32(x) #define DRM_HZ hz #define DRM_UDELAY(udelay) DELAY(udelay) #define LOCK_TEST_WITH_RETURN(dev, file_priv) \ do { \ if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) || \ dev->lock.file_priv != file_priv) { \ DRM_ERROR("%s called without lock held\n", \ __FUNCTION__); \ return EINVAL; \ } \ } while (0) #define DRM_WAIT_ON( ret, queue, timeout, condition ) \ DRM_SPINLOCK(&dev->irq_lock); \ while ( ret == 0 ) { \ if (condition) \ break; \ ret = msleep((queue), &dev->irq_lock, \ PZERO | PCATCH, "drmwtq", (timeout)); \ } \ DRM_SPINUNLOCK(&dev->irq_lock) #define DRM_ERROR(fmt, arg...) \ printf("error: [" DRM_NAME ":pid%d:%s] *ERROR* " fmt, \ DRM_CURRENTPID, __func__ , ## arg) #define DRM_INFO(fmt, arg...) printf("%s: " fmt, dev_priv->dev.dv_xname, ## arg) #ifdef DRMDEBUG #undef DRM_DEBUG #define DRM_DEBUG(fmt, arg...) do { \ if (drm_debug_flag) \ printf("[" DRM_NAME ":pid%d:%s] " fmt, DRM_CURRENTPID, \ __func__ , ## arg); \ } while (0) #else #define DRM_DEBUG(fmt, arg...) do { } while(/* CONSTCOND */ 0) #endif typedef struct drm_pci_id_list { int vendor; int device; long driver_private; } drm_pci_id_list_t; struct drm_file; struct drm_device; struct drm_magic_entry { drm_magic_t magic; struct drm_file *priv; SPLAY_ENTRY(drm_magic_entry) node; }; typedef struct drm_buf { int idx; /* Index into master buflist */ int total; /* Buffer size */ int used; /* Amount of buffer in use (for DMA) */ unsigned long offset; /* Byte offset (used internally) */ void *address; /* KVA of buffer */ unsigned long bus_address; /* Bus address of buffer */ __volatile__ int pending; /* On hardware DMA queue */ struct drm_file *file_priv; /* Unique identifier of holding process */ void *dev_private; /* Per-buffer private storage */ } drm_buf_t; struct drm_dmamem { bus_dmamap_t map; caddr_t kva; bus_size_t size; int nsegs; bus_dma_segment_t segs[1]; }; typedef struct drm_buf_entry { struct drm_dmamem **seglist; drm_buf_t *buflist; int buf_size; int buf_count; int page_order; int seg_count; } drm_buf_entry_t; typedef TAILQ_HEAD(drm_file_list, drm_file) drm_file_list_t; struct drm_file { TAILQ_ENTRY(drm_file) link; int authenticated; unsigned long ioctl_count; dev_t kdev; drm_magic_t magic; int flags; int master; int minor; }; struct drm_lock_data { struct drm_hw_lock *hw_lock; /* Hardware lock */ /* Unique identifier of holding process (NULL is kernel) */ struct drm_file *file_priv; unsigned long lock_time; /* Time of last lock */ struct mutex spinlock; }; /* This structure, in the struct drm_device, is always initialized while * the device is open. dev->dma_lock protects the incrementing of * dev->buf_use, which when set marks that no further bufs may be allocated * until device teardown occurs (when the last open of the device has closed). * The high/low watermarks of bufs are only touched by the X Server, and thus * not concurrently accessed, so no locking is needed. */ typedef struct drm_device_dma { drm_buf_entry_t bufs[DRM_MAX_ORDER+1]; int buf_count; drm_buf_t **buflist; /* Vector of pointers info bufs */ int seg_count; int page_count; unsigned long *pagelist; unsigned long byte_count; enum { _DRM_DMA_USE_AGP = 0x01, _DRM_DMA_USE_SG = 0x02 } flags; } drm_device_dma_t; struct drm_agp_mem { void *handle; unsigned long bound; /* address */ int pages; TAILQ_ENTRY(drm_agp_mem) link; }; struct drm_agp_head { struct device *agpdev; const char *chipset; TAILQ_HEAD(agp_memlist, drm_agp_mem) memory; struct agp_info info; unsigned long base; unsigned long mode; unsigned long page_mask; int acquired; int cant_use_aperture; int enabled; int mtrr; }; struct drm_sg_mem { struct drm_dmamem *mem; unsigned long handle; }; typedef TAILQ_HEAD(drm_map_list, drm_local_map) drm_map_list_t; typedef struct drm_local_map { TAILQ_ENTRY(drm_local_map) link; /* Link for map list */ struct drm_dmamem *dmamem;/* Handle to DMA mem */ void *handle;/* KVA, if mapped */ bus_space_tag_t bst; /* Tag for mapped pci mem */ bus_space_handle_t bsh; /* Handle to mapped pci mem */ u_long ext; /* extent for mmap */ u_long offset;/* Physical address */ u_long size; /* Physical size (bytes) */ int mtrr; /* Boolean: MTRR used */ enum drm_map_flags flags; /* Flags */ enum drm_map_type type; /* Type of memory mapped */ } drm_local_map_t; struct drm_vblank { u_int32_t last_vblank; /* Last vblank we recieved */ atomic_t vbl_count; /* Number of interrupts */ atomic_t vbl_refcount; /* Number of users */ int vbl_enabled; /* Enabled? */ int vbl_inmodeset; /* is the DDX currently modesetting */ }; /* Heap implementation for radeon and i915 legacy */ TAILQ_HEAD(drm_heap, drm_mem); struct drm_mem { TAILQ_ENTRY(drm_mem) link; struct drm_file *file_priv; /* NULL: free, other: real files */ int start; int size; }; /* location of GART table */ #define DRM_ATI_GART_MAIN 1 #define DRM_ATI_GART_FB 2 #define DRM_ATI_GART_PCI 1 #define DRM_ATI_GART_PCIE 2 #define DRM_ATI_GART_IGP 3 #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : (1ULL<<(n)) -1) #define upper_32_bits(_val) ((u_int32_t)(((_val) >> 16) >> 16)) struct drm_ati_pcigart_info { drm_local_map_t mapping; struct drm_dmamem *mem; void *addr; bus_addr_t bus_addr; bus_addr_t table_mask; int gart_table_location; int gart_reg_if; int table_size; }; struct drm_driver_info { int (*firstopen)(struct drm_device *); int (*open)(struct drm_device *, struct drm_file *); int (*ioctl)(struct drm_device*, u_long, caddr_t, struct drm_file *); void (*close)(struct drm_device *, struct drm_file *); void (*lastclose)(struct drm_device *); void (*reclaim_buffers_locked)(struct drm_device *, struct drm_file *); int (*dma_ioctl)(struct drm_device *, void *, struct drm_file *); int (*dma_quiescent)(struct drm_device *); int (*context_ctor)(struct drm_device *, int); int (*context_dtor)(struct drm_device *, int); int (*irq_install)(struct drm_device *); void (*irq_uninstall)(struct drm_device *); irqreturn_t (*irq_handler)(DRM_IRQ_ARGS); int vblank_pipes; u_int32_t (*get_vblank_counter)(struct drm_device *, int); int (*enable_vblank)(struct drm_device *, int); void (*disable_vblank)(struct drm_device *, int); size_t buf_priv_size; size_t file_priv_size; int major; int minor; int patchlevel; const char *name; /* Simple driver name */ const char *desc; /* Longer driver name */ const char *date; /* Date of last major changes. */ #define DRIVER_AGP 0x1 #define DRIVER_AGP_REQUIRE 0x2 #define DRIVER_MTRR 0x4 #define DRIVER_DMA 0x8 #define DRIVER_PCI_DMA 0x10 #define DRIVER_SG 0x20 #define DRIVER_IRQ 0x40 u_int flags; }; /** * DRM device functions structure */ struct drm_device { struct device device; /* softc is an extension of struct device */ const struct drm_driver_info *driver; bus_dma_tag_t dmat; bus_space_tag_t bst; char *unique; /* Unique identifier: e.g., busid */ int unique_len; /* Length of unique field */ int if_version; /* Highest interface version set */ /* Locks */ DRM_SPINTYPE dma_lock; /* protects dev->dma */ DRM_SPINTYPE irq_lock; /* protects irq condition checks */ struct rwlock dev_lock; /* protects everything else */ /* Usage Counters */ int open_count; /* Outstanding files open */ int buf_use; /* Buffers in use -- cannot alloc */ /* Authentication */ drm_file_list_t files; drm_magic_t magicid; SPLAY_HEAD(drm_magic_tree, drm_magic_entry) magiclist; /* Linked list of mappable regions. Protected by dev_lock */ struct extent *handle_ext; drm_map_list_t maplist; struct drm_lock_data lock; /* Information on hardware lock */ /* DMA queues (contexts) */ drm_device_dma_t *dma; /* Optional pointer for DMA support */ /* Context support */ int irq; /* Interrupt used by board */ int irq_enabled; /* True if the irq handler is enabled */ /* VBLANK support */ int num_crtcs; /* number of crtcs */ u_int32_t max_vblank_count; /* size of counter reg*/ DRM_SPINTYPE vbl_lock; /* VBLANK data lock */ int vblank_disable_allowed; struct timeout vblank_disable_timer; /* timer for disable */ struct drm_vblank *vblank; /* One per ctrc */ pid_t buf_pgid; struct drm_agp_head *agp; struct drm_sg_mem *sg; /* Scatter gather memory */ atomic_t *ctx_bitmap; void *dev_private; drm_local_map_t *agp_buffer_map; }; struct drm_attach_args { const struct drm_driver_info *driver; char *busid; bus_dma_tag_t dmat; bus_space_tag_t bst; size_t busid_len; int is_agp; u_int8_t irq; }; extern int drm_debug_flag; /* Device setup support (drm_drv.c) */ int drm_pciprobe(struct pci_attach_args *, drm_pci_id_list_t * ); struct device *drm_attach_pci(const struct drm_driver_info *, struct pci_attach_args *, int, struct device *); dev_type_ioctl(drmioctl); dev_type_open(drmopen); dev_type_close(drmclose); dev_type_mmap(drmmmap); extern drm_local_map_t *drm_getsarea(struct drm_device *); struct drm_dmamem *drm_dmamem_alloc(bus_dma_tag_t, bus_size_t, bus_size_t, int, bus_size_t, int, int); void drm_dmamem_free(bus_dma_tag_t, struct drm_dmamem *); drm_pci_id_list_t *drm_find_description(int , int , drm_pci_id_list_t *); /* File operations helpers (drm_fops.c) */ struct drm_file *drm_find_file_by_minor(struct drm_device *, int); /* Memory management support (drm_memory.c) */ void *_drm_alloc(size_t); #define drm_alloc(size, area) _drm_alloc(size) void *_drm_calloc(size_t, size_t); #define drm_calloc(nmemb, size, area) _drm_calloc(nmemb, size) void *_drm_realloc(void *, size_t, size_t); #define drm_realloc(old, oldsz, size, area) _drm_realloc(old, oldsz, size) void _drm_free(void *); #define drm_free(ptr, size, area) do { _drm_free(ptr); (void)(size); \ } while( /*CONSTCOND*/ 0) void *drm_ioremap(struct drm_device *, drm_local_map_t *); void drm_ioremapfree(drm_local_map_t *); int drm_mtrr_add(unsigned long, size_t, int); int drm_mtrr_del(int, unsigned long, size_t, int); /* Heap interface (DEPRECATED) */ int drm_init_heap(struct drm_heap *, int, int); struct drm_mem * drm_alloc_block(struct drm_heap *, int, int, struct drm_file *); struct drm_mem * drm_find_block(struct drm_heap *, int); void drm_free_block(struct drm_heap *, struct drm_mem *); int drm_ctxbitmap_init(struct drm_device *); void drm_ctxbitmap_cleanup(struct drm_device *); void drm_ctxbitmap_free(struct drm_device *, int); int drm_ctxbitmap_next(struct drm_device *); u_int8_t drm_read8(drm_local_map_t *, unsigned long); u_int16_t drm_read16(drm_local_map_t *, unsigned long); u_int32_t drm_read32(drm_local_map_t *, unsigned long); void drm_write8(drm_local_map_t *, unsigned long, u_int8_t); void drm_write16(drm_local_map_t *, unsigned long, u_int16_t); void drm_write32(drm_local_map_t *, unsigned long, u_int32_t); /* Locking IOCTL support (drm_lock.c) */ int drm_lock_take(struct drm_lock_data *, unsigned int); int drm_lock_free(struct drm_lock_data *, unsigned int); /* Buffer management support (drm_bufs.c) */ void drm_rmmap(struct drm_device *, drm_local_map_t *); void drm_rmmap_locked(struct drm_device *, drm_local_map_t *); int drm_order(unsigned long); int drm_addmap(struct drm_device *, unsigned long, unsigned long, enum drm_map_type, enum drm_map_flags, drm_local_map_t **); int drm_addbufs_pci(struct drm_device *, struct drm_buf_desc *); int drm_addbufs_sg(struct drm_device *, struct drm_buf_desc *); int drm_addbufs_agp(struct drm_device *, struct drm_buf_desc *); /* DMA support (drm_dma.c) */ int drm_dma_setup(struct drm_device *); void drm_dma_takedown(struct drm_device *); void drm_cleanup_buf(struct drm_device *, drm_buf_entry_t *); void drm_free_buffer(struct drm_device *, drm_buf_t *); void drm_reclaim_buffers(struct drm_device *, struct drm_file *); #define drm_core_reclaim_buffers drm_reclaim_buffers /* IRQ support (drm_irq.c) */ int drm_irq_install(struct drm_device *); int drm_irq_uninstall(struct drm_device *); irqreturn_t drm_irq_handler_wrap(DRM_IRQ_ARGS); void drm_vblank_cleanup(struct drm_device *); int drm_vblank_init(struct drm_device *, int); u_int32_t drm_vblank_count(struct drm_device *, int); int drm_vblank_get(struct drm_device *, int); void drm_vblank_put(struct drm_device *, int); int drm_modeset_ctl(struct drm_device *, void *, struct drm_file *); void drm_handle_vblank(struct drm_device *, int); /* AGP/PCI Express/GART support (drm_agpsupport.c) */ struct drm_agp_head *drm_agp_init(void); void drm_agp_takedown(struct drm_device *); int drm_agp_acquire(struct drm_device *); int drm_agp_release(struct drm_device *); int drm_agp_info(struct drm_device *, struct drm_agp_info *); int drm_agp_enable(struct drm_device *, struct drm_agp_mode); void *drm_agp_allocate_memory(size_t, u32); int drm_agp_free_memory(void *); int drm_agp_bind_memory(void *, off_t); int drm_agp_unbind_memory(void *); int drm_agp_alloc(struct drm_device *, struct drm_agp_buffer *); int drm_agp_free(struct drm_device *, struct drm_agp_buffer *); int drm_agp_bind(struct drm_device *, struct drm_agp_binding *); int drm_agp_unbind(struct drm_device *, struct drm_agp_binding *); /* Scatter Gather Support (drm_scatter.c) */ void drm_sg_cleanup(struct drm_device *, struct drm_sg_mem *); int drm_sg_alloc(struct drm_device *, struct drm_scatter_gather *); /* ATI PCIGART support (ati_pcigart.c) */ int drm_ati_pcigart_init(struct drm_device *, struct drm_ati_pcigart_info *); int drm_ati_pcigart_cleanup(struct drm_device *, struct drm_ati_pcigart_info *); /* Locking IOCTL support (drm_drv.c) */ int drm_lock(struct drm_device *, void *, struct drm_file *); int drm_unlock(struct drm_device *, void *, struct drm_file *); int drm_version(struct drm_device *, void *, struct drm_file *); /* Context IOCTL support (drm_context.c) */ int drm_resctx(struct drm_device *, void *, struct drm_file *); int drm_addctx(struct drm_device *, void *, struct drm_file *); int drm_getctx(struct drm_device *, void *, struct drm_file *); int drm_rmctx(struct drm_device *, void *, struct drm_file *); /* Authentication IOCTL support (drm_auth.c) */ int drm_getmagic(struct drm_device *, void *, struct drm_file *); int drm_authmagic(struct drm_device *, void *, struct drm_file *); int drm_magic_cmp(struct drm_magic_entry *, struct drm_magic_entry *); SPLAY_PROTOTYPE(drm_magic_tree, drm_magic_entry, node, drm_magic_cmp); /* Buffer management support (drm_bufs.c) */ int drm_addmap_ioctl(struct drm_device *, void *, struct drm_file *); int drm_rmmap_ioctl(struct drm_device *, void *, struct drm_file *); int drm_addbufs_ioctl(struct drm_device *, void *, struct drm_file *); int drm_freebufs(struct drm_device *, void *, struct drm_file *); int drm_mapbufs(struct drm_device *, void *, struct drm_file *); /* DMA support (drm_dma.c) */ int drm_dma(struct drm_device *, void *, struct drm_file *); /* IRQ support (drm_irq.c) */ int drm_control(struct drm_device *, void *, struct drm_file *); int drm_wait_vblank(struct drm_device *, void *, struct drm_file *); int drm_irq_by_busid(struct drm_device *, void *, struct drm_file *); /* AGP/GART support (drm_agpsupport.c) */ int drm_agp_acquire_ioctl(struct drm_device *, void *, struct drm_file *); int drm_agp_release_ioctl(struct drm_device *, void *, struct drm_file *); int drm_agp_enable_ioctl(struct drm_device *, void *, struct drm_file *); int drm_agp_info_ioctl(struct drm_device *, void *, struct drm_file *); int drm_agp_alloc_ioctl(struct drm_device *, void *, struct drm_file *); int drm_agp_free_ioctl(struct drm_device *, void *, struct drm_file *); int drm_agp_unbind_ioctl(struct drm_device *, void *, struct drm_file *); int drm_agp_bind_ioctl(struct drm_device *, void *, struct drm_file *); /* Scatter Gather Support (drm_scatter.c) */ int drm_sg_alloc_ioctl(struct drm_device *, void *, struct drm_file *); int drm_sg_free(struct drm_device *, void *, struct drm_file *); /* Inline replacements for DRM_IOREMAP macros */ #define drm_core_ioremap_wc drm_core_ioremap static __inline__ void drm_core_ioremap(struct drm_local_map *map, struct drm_device *dev) { map->handle = drm_ioremap(dev, map); } static __inline__ void drm_core_ioremapfree(struct drm_local_map *map) { if ( map->handle && map->size ) drm_ioremapfree(map); } static __inline__ struct drm_local_map *drm_core_findmap(struct drm_device *dev, unsigned long offset) { drm_local_map_t *map; DRM_LOCK(); TAILQ_FOREACH(map, &dev->maplist, link) { if (offset == map->ext) break; } DRM_UNLOCK(); return (map); } #endif /* __KERNEL__ */ #endif /* _DRM_P_H_ */