/* 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 "drm.h" #include "drm_linux_list.h" #include "drm_atomic.h" #include "drm_internal.h" #ifdef __amd64__ #define DRM_NO_MTRR #endif /* Until the mtrr apis are merged. */ #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_STUB 18 #define DRM_MEM_SGLISTS 19 #define DRM_MEM_DRAWABLE 20 #define DRM_MEM_MM 21 #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_DEV_MODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP) #define DRM_DEV_UID 0 #define DRM_DEV_GID 0 #define wait_queue_head_t atomic_t #define DRM_WAKEUP(w) wakeup((void *)w) #define DRM_WAKEUP_INT(w) wakeup(w) #define DRM_INIT_WAITQUEUE(queue) do {(void)(queue);} while (0) #define DRM_CDEV dev_t #define DRM_CURPROC curproc #define DRM_STRUCTPROC struct proc #define DRM_STRUCTCDEVPROC struct proc #define DRM_PROC(p) (p) #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() DRM_SPINLOCK(&dev->dev_lock) #define DRM_UNLOCK() DRM_SPINUNLOCK(&dev->dev_lock) #define DRM_SLEEPLOCK(v,l,f,s,i) msleep(v,l,f,s,i); #define DRM_PID(p) (p)->p_pid #define DRM_CURRENTPID DRM_PID(curproc) #define DRM_UID(p) (p)->p_pid #define DRM_MAXUNITS 8 extern struct drm_device *drm_units[]; /* 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_units[0] #if 0 /* D_CLONE only supports on device for now */ #define drm_get_device_from_kdev(_kdev) \ (minor(kdev) < DRM_MAXUNITS) ? \ drm_units[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) #ifdef DRM_NO_AGP #define DRM_AGP_FIND_DEVICE() 0 #else #define DRM_AGP_FIND_DEVICE() agp_find_device(0) #endif extern struct cfdriver drm_cd; /* Capabilities taken from src/sys/dev/pci/pcireg.h. */ #ifndef PCIY_AGP #define PCIY_AGP 0x02 #endif #ifndef PCIY_EXPRESS #define PCIY_EXPRESS 0x10 #endif typedef unsigned long dma_addr_t; 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) \ bus_space_read_1( (map)->bst, (map)->bsh, (offset)) #define DRM_READ16(map, offset) \ bus_space_read_2( (map)->bst, (map)->bsh, (offset)) #define DRM_READ32(map, offset) \ bus_space_read_4( (map)->bst, (map)->bsh, (offset)) #define DRM_WRITE8(map, offset, val) \ bus_space_write_1((map)->bst, (map)->bsh, (offset), (val)) #define DRM_WRITE16(map, offset, val) \ bus_space_write_2((map)->bst, (map)->bsh, (offset), (val)) #define DRM_WRITE32(map, offset, val) \ bus_space_write_4((map)->bst, (map)->bsh, (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 DRM_TIME_SLICE (hz/20) /* Time slice for GLXContexts */ #define DRM_GET_PRIV_SAREA(_dev, _ctx, _map) do { \ (_map) = (_dev)->context_sareas[_ctx]; \ } while(0) #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) /* Returns -errno to shared code */ #define DRM_WAIT_ON( ret, queue, timeout, condition ) \ ret = 0; \ while ( ret == 0 ) { \ DRM_UNLOCK(); \ DRM_SPINLOCK(&dev->irq_lock); \ if (condition) { \ DRM_SPINUNLOCK(&dev->irq_lock); \ break; \ } \ ret = -msleep(&(queue), &dev->irq_lock, \ PZERO | PCATCH, "drmwtq", (timeout)); \ DRM_SPINUNLOCK(&dev->irq_lock); \ DRM_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("info: [" DRM_NAME "] " fmt , ## arg) #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) typedef struct drm_pci_id_list { int vendor; int device; long driver_private; char *name; } drm_pci_id_list_t; struct drm_file; #define DRM_AUTH 0x1 #define DRM_MASTER 0x2 #define DRM_ROOT_ONLY 0x4 typedef struct drm_ioctl_desc { unsigned long cmd; int (*func)(struct drm_device *, void *, struct drm_file *); int flags; } drm_ioctl_desc_t; /** * Creates a driver or general drm_ioctl_desc array entry for the given * ioctl, for use by drm_ioctl(). */ #define DRM_IOCTL_DEF(ioctl, func, flags) \ [DRM_IOCTL_NR(ioctl)] = {ioctl, func, flags} 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 order; /* log-base-2(total) */ int used; /* Amount of buffer in use (for DMA) */ unsigned long offset; /* Byte offset (used internally) */ void *address; /* Address of buffer */ unsigned long bus_address; /* Bus address of buffer */ struct drm_buf *next; /* Kernel-only: used for free list */ __volatile__ int pending; /* On hardware DMA queue */ struct drm_file *file_priv; /* Unique identifier of holding process */ int context; /* Kernel queue for this buffer */ enum { DRM_LIST_NONE = 0, DRM_LIST_FREE = 1, DRM_LIST_WAIT = 2, DRM_LIST_PEND = 3, DRM_LIST_PRIO = 4, DRM_LIST_RECLAIM = 5 } list; /* Which list we're on */ int dev_priv_size; /* Size of buffer private stoarge */ void *dev_private; /* Per-buffer private storage */ } drm_buf_t; typedef struct drm_freelist { int initialized; /* Freelist in use */ atomic_t count; /* Number of free buffers */ drm_buf_t *next; /* End pointer */ int low_mark; /* Low water mark */ int high_mark; /* High water mark */ } drm_freelist_t; typedef struct drm_dma_handle { void *vaddr; bus_addr_t busaddr; bus_dmamap_t dmamap; bus_dma_segment_t seg; void *addr; bus_addr_t dmaaddr; size_t size; } drm_dma_handle_t; typedef struct drm_buf_entry { int buf_size; int buf_count; drm_buf_t *buflist; int seg_count; drm_dma_handle_t **seglist; int page_order; drm_freelist_t freelist; } 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; int master; int minor; pid_t pid; uid_t uid; int refs; drm_magic_t magic; unsigned long ioctl_count; void *driver_priv; }; typedef struct drm_lock_data { drm_hw_lock_t *hw_lock; /* Hardware lock */ struct drm_file *file_priv; /* Unique identifier of holding process (NULL is kernel)*/ int lock_queue; /* Queue of blocked processes */ unsigned long lock_time; /* Time of last lock in jiffies */ } drm_lock_data_t; /* 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; }; typedef 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; } drm_agp_head_t; struct drm_sg_dmamem { bus_dma_tag_t sg_tag; bus_dmamap_t sg_map; bus_dma_segment_t *sg_segs; int sg_nsegs; size_t sg_size; caddr_t sg_kva; }; typedef struct drm_sg_mem { unsigned long handle; void *virtual; int pages; dma_addr_t *busaddr; drm_dma_handle_t *dmah; /* Handle to PCI memory for ATI PCIGART table */ struct drm_sg_dmamem *mem; } drm_sg_mem_t; /* * Generic memory range manager structs */ struct drm_memrange_node { TAILQ_ENTRY(drm_memrange_node) ml_entry; TAILQ_ENTRY(drm_memrange_node) fl_entry; struct drm_memrange *mm; void *private; int free; unsigned long start; unsigned long size; }; TAILQ_HEAD(drm_mmq, drm_memrange_node); struct drm_memrange { struct drm_mmq ml; struct drm_mmq fl; }; typedef TAILQ_HEAD(drm_map_list, drm_local_map) drm_map_list_t; typedef struct drm_local_map { unsigned long offset; /* Physical address (0 for SAREA)*/ unsigned long size; /* Physical size (bytes) */ drm_map_type_t type; /* Type of memory mapped */ drm_map_flags_t flags; /* Flags */ void *handle; /* User-space: "Handle" to pass to mmap */ /* Kernel-space: kernel-virtual address */ int mtrr; /* Boolean: MTRR used */ /* Private data */ int rid; /* PCI resource ID for bus_space */ struct vga_pci_bar *bsr; bus_space_tag_t bst; bus_space_handle_t bsh; drm_dma_handle_t *dmah; TAILQ_ENTRY(drm_local_map) link; struct drm_memrange_node *mm; } drm_local_map_t; TAILQ_HEAD(drm_vbl_sig_list, drm_vbl_sig); typedef struct drm_vbl_sig { TAILQ_ENTRY(drm_vbl_sig) link; unsigned int sequence; int signo; int pid; } drm_vbl_sig_t; /* 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) (((u64)(_val)) >> 32) struct drm_ati_pcigart_info { int gart_table_location; int gart_reg_if; void *addr; dma_addr_t bus_addr; dma_addr_t table_mask; drm_local_map_t mapping; int table_size; }; struct drm_driver_info { int (*load)(struct drm_device *, unsigned long); int (*firstopen)(struct drm_device *); int (*open)(struct drm_device *, struct drm_file *); void (*preclose)(struct drm_device *, struct drm_file *); void (*postclose)(struct drm_device *, struct drm_file *); void (*lastclose)(struct drm_device *); int (*unload)(struct drm_device *); void (*reclaim_buffers_locked)(struct drm_device *, struct drm_file *); int (*dma_ioctl)(struct drm_device *, void *, struct drm_file *); void (*dma_ready)(struct drm_device *); int (*dma_quiescent)(struct drm_device *); int (*dma_flush_block_and_flush)(struct drm_device *, int, drm_lock_flags_t); int (*dma_flush_unblock)(struct drm_device *, int, drm_lock_flags_t); int (*context_ctor)(struct drm_device *, int); int (*context_dtor)(struct drm_device *, int); int (*kernel_context_switch)(struct drm_device *, int, int); int (*kernel_context_switch_unlock)(struct drm_device *); void (*irq_preinstall)(struct drm_device *); int (*irq_postinstall)(struct drm_device *); void (*irq_uninstall)(struct drm_device *); irqreturn_t (*irq_handler)(DRM_IRQ_ARGS); u_int32_t (*get_vblank_counter)(struct drm_device *, int); int (*enable_vblank)(struct drm_device *, int); void (*disable_vblank)(struct drm_device *, int); drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */ /** * Called by \c drm_device_is_agp. Typically used to determine if a * card is really attached to AGP or not. * * \param dev DRM device handle * * \returns * One of three values is returned depending on whether or not the * card is absolutely \b not AGP (return of 0), absolutely \b is AGP * (return of 1), or may or may not be AGP (return of 2). */ int (*device_is_agp) (struct drm_device * dev); drm_ioctl_desc_t *ioctls; int max_ioctl; int buf_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. */ unsigned use_agp :1; unsigned require_agp :1; unsigned use_sg :1; unsigned use_dma :1; unsigned use_pci_dma :1; unsigned use_dma_queue :1; unsigned use_irq :1; unsigned use_vbl_irq :1; unsigned use_mtrr :1; }; /* Length for the array of resource pointers for drm_get_resource_*. */ #define DRM_MAX_PCI_RESOURCE 3 /** * DRM device functions structure */ struct drm_device { struct device device; /* softc is an extension of struct device */ struct drm_driver_info driver; drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */ u_int16_t pci_device; /* PCI device id */ u_int16_t pci_vendor; /* PCI vendor id */ char *unique; /* Unique identifier: e.g., busid */ int unique_len; /* Length of unique field */ dev_t kdev; /* used by uvm_mmap, this is just a placeholder */ struct vga_pci_softc *vga_softc; int if_version; /* Highest interface version set */ int flags; /* Flags to open(2) */ /* Locks */ DRM_SPINTYPE dma_lock; /* protects dev->dma */ DRM_SPINTYPE irq_lock; /* protects irq condition checks */ DRM_SPINTYPE dev_lock; /* protects everything else */ DRM_SPINTYPE drw_lock; DRM_SPINTYPE tsk_lock; /* Usage Counters */ int open_count; /* Outstanding files open */ int buf_use; /* Buffers in use -- cannot alloc */ /* Performance counters */ unsigned long counters; drm_stat_type_t types[15]; atomic_t counts[15]; /* Authentication */ drm_file_list_t files; SPLAY_HEAD(drm_magic_tree, drm_magic_entry) magiclist; /* Linked list of mappable regions. Protected by dev_lock */ struct drm_memrange handle_mm; drm_map_list_t maplist; drm_local_map_t **context_sareas; int max_context; drm_lock_data_t 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 */ struct pci_attach_args pa; int unit; /* drm unit number */ void *irqh; /* Handle from bus_setup_intr */ /* Storage of resource pointers for drm_get_resource_* */ struct vga_pci_bar *pcir[DRM_MAX_PCI_RESOURCE]; int pci_domain; int pci_bus; int pci_slot; int pci_func; atomic_t context_flag; /* Context swapping flag */ int last_context; /* Last current context */ /* VBLANK support */ int *vbl_queue; /* vbl wait channel */ atomic_t *_vblank_count; /* no vblank interrupts */ DRM_SPINTYPE vbl_lock; /* locking for vblank operations */ #if 0 /* unneeded for now */ TAILQ_HEAD(vbl_sigs); #endif atomic_t vbl_signal_pending; /* sigs pending on all crtcs */ atomic_t *vblank_refcount; /* no. users for vlank interrupts */ u_int32_t *last_vblank; /* locked, used for overflow handling*/ int *vblank_enabled; /* make sure we only disable once */ u_int32_t *vblank_premodeset; /* compensation for wraparounds */ int *vblank_suspend; /* Don't wait while crtc is disabled */ struct timeout vblank_disable_timer; int num_crtcs; /* number of crtcs on device */ u_int32_t max_vblank_count; /* size of counter reg */ pid_t buf_pgid; drm_agp_head_t *agp; drm_sg_mem_t *sg; /* Scatter gather memory */ atomic_t *ctx_bitmap; void *dev_private; unsigned int agp_buffer_token; drm_local_map_t *agp_buffer_map; u_int drw_no; /* RB tree of drawable infos */ RB_HEAD(drawable_tree, bsd_drm_drawable_info) drw_head; void (*locked_task_call)(struct drm_device *); }; extern int drm_debug_flag; /* Device setup support (drm_drv.c) */ int drm_probe(struct pci_attach_args *, drm_pci_id_list_t * ); void drm_attach(struct device *, struct device *, struct pci_attach_args *, drm_pci_id_list_t *); int drm_detach(struct device *, int ); int drm_activate(struct device *, enum devact); dev_type_ioctl(drmioctl); dev_type_open(drmopen); dev_type_close(drmclose); dev_type_read(drmread); dev_type_poll(drmpoll); dev_type_mmap(drmmmap); extern drm_local_map_t *drm_getsarea(struct drm_device *); /* File operations helpers (drm_fops.c) */ int drm_open_helper(DRM_CDEV, int, int, DRM_STRUCTPROC *, struct drm_device *); struct drm_file *drm_find_file_by_minor(struct drm_device *, int); /* Memory management support (drm_memory.c) */ void drm_mem_init(void); void drm_mem_uninit(void); void *drm_alloc(size_t, int); void *drm_calloc(size_t, size_t, int); void *drm_realloc(void *, size_t, size_t, int); void drm_free(void *, size_t, int); 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); int drm_context_switch(struct drm_device *, int, int); int drm_context_switch_complete(struct drm_device *, int); 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 *); /* Locking IOCTL support (drm_lock.c) */ int drm_lock_take(__volatile__ unsigned int *, unsigned int); int drm_lock_transfer(struct drm_device *, __volatile__ unsigned int *, unsigned int); int drm_lock_free(struct drm_device *, __volatile__ unsigned int *, unsigned int); /* Buffer management support (drm_bufs.c) */ unsigned long drm_get_resource_start(struct drm_device *, unsigned int); unsigned long drm_get_resource_len(struct drm_device *, unsigned int); void drm_rmmap(struct drm_device *, drm_local_map_t *); int drm_order(unsigned long); drm_local_map_t *drm_find_matching_map(struct drm_device *, drm_local_map_t *); int drm_addmap(struct drm_device *, unsigned long, unsigned long, drm_map_type_t, drm_map_flags_t, drm_local_map_t **); int drm_addbufs_pci(struct drm_device *, drm_buf_desc_t *); int drm_addbufs_sg(struct drm_device *, drm_buf_desc_t *); int drm_addbufs_agp(struct drm_device *, drm_buf_desc_t *); /* DMA support (drm_dma.c) */ int drm_dma_setup(struct drm_device *); void drm_dma_takedown(struct drm_device *); 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(DRM_IRQ_ARGS); void drm_driver_irq_preinstall(struct drm_device *); void drm_driver_irq_postinstall(struct drm_device *); void drm_driver_irq_uninstall(struct drm_device *); void drm_vbl_send_signals(struct drm_device *, int); 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); void drm_update_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) */ int drm_device_is_agp(struct drm_device *); int drm_device_is_pcie(struct drm_device *); drm_agp_head_t *drm_agp_init(void); int drm_agp_acquire(struct drm_device *); int drm_agp_release(struct drm_device *); int drm_agp_info(struct drm_device *, drm_agp_info_t *); int drm_agp_enable(struct drm_device *, drm_agp_mode_t); 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 *, drm_agp_buffer_t *); int drm_agp_free(struct drm_device *, drm_agp_buffer_t *); int drm_agp_bind(struct drm_device *, drm_agp_binding_t *); int drm_agp_unbind(struct drm_device *, drm_agp_binding_t *); /* Scatter Gather Support (drm_scatter.c) */ void drm_sg_cleanup(drm_sg_mem_t *); int drm_sg_alloc(struct drm_device *, drm_scatter_gather_t *); /* 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 *); int drm_setversion(struct drm_device *, void *, struct drm_file *); /* Misc. IOCTL support (drm_ioctl.c) */ int drm_irq_by_busid(struct drm_device *, void *, struct drm_file *); int drm_getunique(struct drm_device *, void *, struct drm_file *); int drm_setunique(struct drm_device *, void *, struct drm_file *); int drm_getmap(struct drm_device *, void *, struct drm_file *); int drm_getclient(struct drm_device *, void *, struct drm_file *); int drm_getstats(struct drm_device *, void *, struct drm_file *); int drm_noop(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_modctx(struct drm_device *, void *, struct drm_file *); int drm_getctx(struct drm_device *, void *, struct drm_file *); int drm_switchctx(struct drm_device *, void *, struct drm_file *); int drm_newctx(struct drm_device *, void *, struct drm_file *); int drm_rmctx(struct drm_device *, void *, struct drm_file *); int drm_setsareactx(struct drm_device *, void *, struct drm_file *); int drm_getsareactx(struct drm_device *, void *, struct drm_file *); /* Drawable IOCTL support (drm_drawable.c) */ int drm_adddraw(struct drm_device *, void *, struct drm_file *); int drm_rmdraw(struct drm_device *, void *, struct drm_file *); int drm_update_draw(struct drm_device *, void *, struct drm_file *); void drm_drawable_free_all(struct drm_device *); struct drm_drawable_info *drm_get_drawable_info(struct drm_device *, unsigned int); /* 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_infobufs(struct drm_device *, void *, struct drm_file *); int drm_markbufs(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 *); void drm_locked_tasklet(struct drm_device *, void (*)(struct drm_device *)); /* 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 *); /* consistent PCI memory functions (drm_pci.c) */ drm_dma_handle_t *drm_pci_alloc(struct drm_device *, size_t, size_t, dma_addr_t); void drm_pci_free(struct drm_device *, drm_dma_handle_t *); /* Memrange functions for managing aperture space */ struct drm_memrange_node *drm_memrange_get_block(struct drm_memrange_node *, unsigned long, unsigned); void drm_memrange_put_block(struct drm_memrange_node *); struct drm_memrange_node *drm_memrange_search_free(const struct drm_memrange *, unsigned long, unsigned, int); int drm_memrange_init(struct drm_memrange *, unsigned long, unsigned long); void drm_memrange_takedown(struct drm_memrange *); int drm_memrange_clean(struct drm_memrange *); unsigned long drm_memrange_tail_space(struct drm_memrange *); int drm_memrange_remove_space_from_tail(struct drm_memrange *, unsigned long); int drm_memrange_add_space_to_tail(struct drm_memrange *, unsigned long ); /* Inline replacements for DRM_IOREMAP macros */ 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, struct drm_device *dev) { 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_SPINLOCK_ASSERT(&dev->dev_lock); TAILQ_FOREACH(map, &dev->maplist, link) { if (offset == map->mm->start) return map; } return NULL; } static __inline__ void drm_core_dropmap(struct drm_map *map) { } #endif /* __KERNEL__ */ #endif /* _DRM_P_H_ */