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[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [drivers/] [char/] [drm/] [drmP.h] - Rev 1765
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/* 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 <faith@valinux.com> * Gareth Hughes <gareth@valinux.com> */ #ifndef _DRM_P_H_ #define _DRM_P_H_ #ifdef __KERNEL__ #ifdef __alpha__ /* add include of current.h so that "current" is defined * before static inline funcs in wait.h. Doing this so we * can build the DRM (part of PI DRI). 4/21/2000 S + B */ #include <asm/current.h> #endif /* __alpha__ */ #include <linux/config.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/miscdevice.h> #include <linux/fs.h> #include <linux/proc_fs.h> #include <linux/init.h> #include <linux/file.h> #include <linux/pci.h> #include <linux/wrapper.h> #include <linux/version.h> #include <linux/sched.h> #include <linux/smp_lock.h> /* For (un)lock_kernel */ #include <linux/mm.h> #include <linux/pagemap.h> #if defined(__alpha__) || defined(__powerpc__) #include <asm/pgtable.h> /* For pte_wrprotect */ #endif #include <asm/io.h> #include <asm/mman.h> #include <asm/uaccess.h> #ifdef CONFIG_MTRR #include <asm/mtrr.h> #endif #if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) #include <linux/types.h> #include <linux/agp_backend.h> #endif #include <linux/tqueue.h> #include <linux/poll.h> #include <asm/pgalloc.h> #include "drm.h" #include "drm_os_linux.h" /* DRM template customization defaults */ #ifndef __HAVE_AGP #define __HAVE_AGP 0 #endif #ifndef __HAVE_MTRR #define __HAVE_MTRR 0 #endif #ifndef __HAVE_CTX_BITMAP #define __HAVE_CTX_BITMAP 0 #endif #ifndef __HAVE_DMA #define __HAVE_DMA 0 #endif #ifndef __HAVE_DMA_IRQ #define __HAVE_DMA_IRQ 0 #endif #ifndef __HAVE_DMA_WAITLIST #define __HAVE_DMA_WAITLIST 0 #endif #ifndef __HAVE_DMA_FREELIST #define __HAVE_DMA_FREELIST 0 #endif #ifndef __HAVE_DMA_HISTOGRAM #define __HAVE_DMA_HISTOGRAM 0 #endif #define __REALLY_HAVE_AGP (__HAVE_AGP && (defined(CONFIG_AGP) || \ defined(CONFIG_AGP_MODULE))) #define __REALLY_HAVE_MTRR (__HAVE_MTRR && defined(CONFIG_MTRR)) /* Generic cmpxchg added in 2.3.x */ #ifndef __HAVE_ARCH_CMPXCHG /* Include this here so that driver can be used with older kernels. */ #if defined(__alpha__) static __inline__ unsigned long __cmpxchg_u32(volatile int *m, int old, int new) { unsigned long prev, cmp; __asm__ __volatile__( "1: ldl_l %0,%2\n" " cmpeq %0,%3,%1\n" " beq %1,2f\n" " mov %4,%1\n" " stl_c %1,%2\n" " beq %1,3f\n" "2: mb\n" ".subsection 2\n" "3: br 1b\n" ".previous" : "=&r"(prev), "=&r"(cmp), "=m"(*m) : "r"((long) old), "r"(new), "m"(*m)); return prev; } static __inline__ unsigned long __cmpxchg_u64(volatile long *m, unsigned long old, unsigned long new) { unsigned long prev, cmp; __asm__ __volatile__( "1: ldq_l %0,%2\n" " cmpeq %0,%3,%1\n" " beq %1,2f\n" " mov %4,%1\n" " stq_c %1,%2\n" " beq %1,3f\n" "2: mb\n" ".subsection 2\n" "3: br 1b\n" ".previous" : "=&r"(prev), "=&r"(cmp), "=m"(*m) : "r"((long) old), "r"(new), "m"(*m)); return prev; } static __inline__ unsigned long __cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, int size) { switch (size) { case 4: return __cmpxchg_u32(ptr, old, new); case 8: return __cmpxchg_u64(ptr, old, new); } return old; } #define cmpxchg(ptr,o,n) \ ({ \ __typeof__(*(ptr)) _o_ = (o); \ __typeof__(*(ptr)) _n_ = (n); \ (__typeof__(*(ptr))) __cmpxchg((ptr), (unsigned long)_o_, \ (unsigned long)_n_, sizeof(*(ptr))); \ }) #elif __i386__ static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, int size) { unsigned long prev; switch (size) { case 1: __asm__ __volatile__(LOCK_PREFIX "cmpxchgb %b1,%2" : "=a"(prev) : "q"(new), "m"(*__xg(ptr)), "0"(old) : "memory"); return prev; case 2: __asm__ __volatile__(LOCK_PREFIX "cmpxchgw %w1,%2" : "=a"(prev) : "q"(new), "m"(*__xg(ptr)), "0"(old) : "memory"); return prev; case 4: __asm__ __volatile__(LOCK_PREFIX "cmpxchgl %1,%2" : "=a"(prev) : "q"(new), "m"(*__xg(ptr)), "0"(old) : "memory"); return prev; } return old; } #define cmpxchg(ptr,o,n) \ ((__typeof__(*(ptr)))__cmpxchg((ptr),(unsigned long)(o), \ (unsigned long)(n),sizeof(*(ptr)))) #endif /* i386 & alpha */ #endif #define __REALLY_HAVE_SG (__HAVE_SG) /* Begin the DRM... */ #define DRM_DEBUG_CODE 2 /* Include debugging code (if > 1, then also include looping detection. */ #define DRM_HASH_SIZE 16 /* Size of key hash table */ #define DRM_KERNEL_CONTEXT 0 /* Change drm_resctx if changed */ #define DRM_RESERVED_CONTEXTS 1 /* Change drm_resctx if changed */ #define DRM_LOOPING_LIMIT 5000000 #define DRM_BSZ 1024 /* Buffer size for /dev/drm? output */ #define DRM_TIME_SLICE (HZ/20) /* Time slice for GLXContexts */ #define DRM_LOCK_SLICE 1 /* Time slice for lock, in jiffies */ #define DRM_FLAG_DEBUG 0x01 #define DRM_FLAG_NOCTX 0x02 #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_VMAS 6 #define DRM_MEM_BUFS 7 #define DRM_MEM_SEGS 8 #define DRM_MEM_PAGES 9 #define DRM_MEM_FILES 10 #define DRM_MEM_QUEUES 11 #define DRM_MEM_CMDS 12 #define DRM_MEM_MAPPINGS 13 #define DRM_MEM_BUFLISTS 14 #define DRM_MEM_AGPLISTS 15 #define DRM_MEM_TOTALAGP 16 #define DRM_MEM_BOUNDAGP 17 #define DRM_MEM_CTXBITMAP 18 #define DRM_MEM_STUB 19 #define DRM_MEM_SGLISTS 20 #define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8) /* Backward compatibility section */ #ifndef minor #define minor(x) MINOR((x)) #endif #ifndef MODULE_LICENSE #define MODULE_LICENSE(x) #endif #ifndef pte_offset_map #define pte_offset_map pte_offset #define pte_unmap(pte) #endif #if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,19) static inline struct page * vmalloc_to_page(void * vmalloc_addr) { unsigned long addr = (unsigned long) vmalloc_addr; struct page *page = NULL; pgd_t *pgd = pgd_offset_k(addr); pmd_t *pmd; pte_t *ptep, pte; if (!pgd_none(*pgd)) { pmd = pmd_offset(pgd, addr); if (!pmd_none(*pmd)) { ptep = pte_offset_map(pmd, addr); pte = *ptep; if (pte_present(pte)) page = pte_page(pte); pte_unmap(ptep); } } return page; } #endif #if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) #define DRM_RPR_ARG(vma) #else #define DRM_RPR_ARG(vma) vma, #endif #define VM_OFFSET(vma) ((vma)->vm_pgoff << PAGE_SHIFT) /* Macros to make printk easier */ #define DRM_ERROR(fmt, arg...) \ printk(KERN_ERR "[" DRM_NAME ":%s] *ERROR* " fmt , __FUNCTION__ , ##arg) #define DRM_MEM_ERROR(area, fmt, arg...) \ printk(KERN_ERR "[" DRM_NAME ":%s:%s] *ERROR* " fmt , __FUNCTION__, \ DRM(mem_stats)[area].name , ##arg) #define DRM_INFO(fmt, arg...) printk(KERN_INFO "[" DRM_NAME "] " fmt , ##arg) #if DRM_DEBUG_CODE #define DRM_DEBUG(fmt, arg...) \ do { \ if ( DRM(flags) & DRM_FLAG_DEBUG ) \ printk(KERN_DEBUG \ "[" DRM_NAME ":%s] " fmt , \ __FUNCTION__ , ##arg); \ } while (0) #else #define DRM_DEBUG(fmt, arg...) do { } while (0) #endif #define DRM_PROC_LIMIT (PAGE_SIZE-80) #define DRM_PROC_PRINT(fmt, arg...) \ len += sprintf(&buf[len], fmt , ##arg); \ if (len > DRM_PROC_LIMIT) { *eof = 1; return len - offset; } #define DRM_PROC_PRINT_RET(ret, fmt, arg...) \ len += sprintf(&buf[len], fmt , ##arg); \ if (len > DRM_PROC_LIMIT) { ret; *eof = 1; return len - offset; } /* Mapping helper macros */ #define DRM_IOREMAP(map, dev) \ (map)->handle = DRM(ioremap)((map)->offset, (map)->size, (dev) ) #define DRM_IOREMAP_NOCACHE(map, dev) \ (map)->handle = DRM(ioremap_nocache)((map)->offset, (map)->size, (dev) ) #define DRM_IOREMAPFREE(map, dev) \ do { \ if ( (map)->handle && (map)->size ) \ DRM(ioremapfree)( (map)->handle, (map)->size, (dev) ); \ } while (0) #define DRM_FIND_MAP(_map, _o) \ do { \ struct list_head *_list; \ list_for_each( _list, &dev->maplist->head ) { \ drm_map_list_t *_entry = (drm_map_list_t *)_list; \ if ( _entry->map && \ _entry->map->offset == (_o) ) { \ (_map) = _entry->map; \ break; \ } \ } \ } while(0) /* 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_LEFTCOUNT(x) (((x)->rp + (x)->count - (x)->wp) % ((x)->count + 1)) #define DRM_BUFCOUNT(x) ((x)->count - DRM_LEFTCOUNT(x)) #define DRM_WAITCOUNT(dev,idx) DRM_BUFCOUNT(&dev->queuelist[idx]->waitlist) #define DRM_GET_PRIV_SAREA(_dev, _ctx, _map) do { \ (_map) = (_dev)->context_sareas[_ctx]; \ } while(0) typedef int drm_ioctl_t( struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg ); typedef struct drm_pci_list { u16 vendor; u16 device; } drm_pci_list_t; typedef struct drm_ioctl_desc { drm_ioctl_t *func; int auth_needed; int root_only; } drm_ioctl_desc_t; typedef struct drm_devstate { pid_t owner; /* X server pid holding x_lock */ } drm_devstate_t; typedef struct drm_magic_entry { drm_magic_t magic; struct drm_file *priv; struct drm_magic_entry *next; } drm_magic_entry_t; typedef struct drm_magic_head { struct drm_magic_entry *head; struct drm_magic_entry *tail; } drm_magic_head_t; typedef struct drm_vma_entry { struct vm_area_struct *vma; struct drm_vma_entry *next; pid_t pid; } drm_vma_entry_t; 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 waiting; /* On kernel DMA queue */ __volatile__ int pending; /* On hardware DMA queue */ wait_queue_head_t dma_wait; /* Processes waiting */ pid_t pid; /* PID of holding process */ int context; /* Kernel queue for this buffer */ int while_locked;/* Dispatch this buffer while locked */ 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 */ #if DRM_DMA_HISTOGRAM cycles_t time_queued; /* Queued to kernel DMA queue */ cycles_t time_dispatched; /* Dispatched to hardware */ cycles_t time_completed; /* Completed by hardware */ cycles_t time_freed; /* Back on freelist */ #endif int dev_priv_size; /* Size of buffer private stoarge */ void *dev_private; /* Per-buffer private storage */ } drm_buf_t; #if DRM_DMA_HISTOGRAM #define DRM_DMA_HISTOGRAM_SLOTS 9 #define DRM_DMA_HISTOGRAM_INITIAL 10 #define DRM_DMA_HISTOGRAM_NEXT(current) ((current)*10) typedef struct drm_histogram { atomic_t total; atomic_t queued_to_dispatched[DRM_DMA_HISTOGRAM_SLOTS]; atomic_t dispatched_to_completed[DRM_DMA_HISTOGRAM_SLOTS]; atomic_t completed_to_freed[DRM_DMA_HISTOGRAM_SLOTS]; atomic_t queued_to_completed[DRM_DMA_HISTOGRAM_SLOTS]; atomic_t queued_to_freed[DRM_DMA_HISTOGRAM_SLOTS]; atomic_t dma[DRM_DMA_HISTOGRAM_SLOTS]; atomic_t schedule[DRM_DMA_HISTOGRAM_SLOTS]; atomic_t ctx[DRM_DMA_HISTOGRAM_SLOTS]; atomic_t lacq[DRM_DMA_HISTOGRAM_SLOTS]; atomic_t lhld[DRM_DMA_HISTOGRAM_SLOTS]; } drm_histogram_t; #endif /* bufs is one longer than it has to be */ typedef struct drm_waitlist { int count; /* Number of possible buffers */ drm_buf_t **bufs; /* List of pointers to buffers */ drm_buf_t **rp; /* Read pointer */ drm_buf_t **wp; /* Write pointer */ drm_buf_t **end; /* End pointer */ spinlock_t read_lock; spinlock_t write_lock; } drm_waitlist_t; typedef struct drm_freelist { int initialized; /* Freelist in use */ atomic_t count; /* Number of free buffers */ drm_buf_t *next; /* End pointer */ wait_queue_head_t waiting; /* Processes waiting on free bufs */ int low_mark; /* Low water mark */ int high_mark; /* High water mark */ atomic_t wfh; /* If waiting for high mark */ spinlock_t lock; } drm_freelist_t; typedef struct drm_buf_entry { int buf_size; int buf_count; drm_buf_t *buflist; int seg_count; int page_order; unsigned long *seglist; drm_freelist_t freelist; } drm_buf_entry_t; typedef struct drm_hw_lock { __volatile__ unsigned int lock; char padding[60]; /* Pad to cache line */ } drm_hw_lock_t; typedef struct drm_file { int authenticated; int minor; pid_t pid; uid_t uid; drm_magic_t magic; unsigned long ioctl_count; struct drm_file *next; struct drm_file *prev; struct drm_device *dev; int remove_auth_on_close; } drm_file_t; typedef struct drm_queue { atomic_t use_count; /* Outstanding uses (+1) */ atomic_t finalization; /* Finalization in progress */ atomic_t block_count; /* Count of processes waiting */ atomic_t block_read; /* Queue blocked for reads */ wait_queue_head_t read_queue; /* Processes waiting on block_read */ atomic_t block_write; /* Queue blocked for writes */ wait_queue_head_t write_queue; /* Processes waiting on block_write */ #if 1 atomic_t total_queued; /* Total queued statistic */ atomic_t total_flushed;/* Total flushes statistic */ atomic_t total_locks; /* Total locks statistics */ #endif drm_ctx_flags_t flags; /* Context preserving and 2D-only */ drm_waitlist_t waitlist; /* Pending buffers */ wait_queue_head_t flush_queue; /* Processes waiting until flush */ } drm_queue_t; typedef struct drm_lock_data { drm_hw_lock_t *hw_lock; /* Hardware lock */ pid_t pid; /* PID of lock holder (0=kernel) */ wait_queue_head_t lock_queue; /* Queue of blocked processes */ unsigned long lock_time; /* Time of last lock in jiffies */ } drm_lock_data_t; typedef struct drm_device_dma { #if 0 /* Performance Counters */ atomic_t total_prio; /* Total DRM_DMA_PRIORITY */ atomic_t total_bytes; /* Total bytes DMA'd */ atomic_t total_dmas; /* Total DMA buffers dispatched */ atomic_t total_missed_dma; /* Missed drm_do_dma */ atomic_t total_missed_lock; /* Missed lock in drm_do_dma */ atomic_t total_missed_free; /* Missed drm_free_this_buffer */ atomic_t total_missed_sched;/* Missed drm_dma_schedule */ atomic_t total_tried; /* Tried next_buffer */ atomic_t total_hit; /* Sent next_buffer */ atomic_t total_lost; /* Lost interrupt */ #endif 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; /* DMA support */ drm_buf_t *this_buffer; /* Buffer being sent */ drm_buf_t *next_buffer; /* Selected buffer to send */ drm_queue_t *next_queue; /* Queue from which buffer selected*/ wait_queue_head_t waiting; /* Processes waiting on free bufs */ } drm_device_dma_t; #if __REALLY_HAVE_AGP typedef struct drm_agp_mem { unsigned long handle; agp_memory *memory; unsigned long bound; /* address */ int pages; struct drm_agp_mem *prev; struct drm_agp_mem *next; } drm_agp_mem_t; typedef struct drm_agp_head { agp_kern_info agp_info; const char *chipset; drm_agp_mem_t *memory; unsigned long mode; int enabled; int acquired; unsigned long base; int agp_mtrr; int cant_use_aperture; unsigned long page_mask; } drm_agp_head_t; #endif typedef struct drm_sg_mem { unsigned long handle; void *virtual; int pages; struct page **pagelist; dma_addr_t *busaddr; } drm_sg_mem_t; typedef struct drm_sigdata { int context; drm_hw_lock_t *lock; } drm_sigdata_t; typedef struct drm_map_list { struct list_head head; drm_map_t *map; } drm_map_list_t; #if __HAVE_VBL_IRQ typedef struct drm_vbl_sig { struct list_head head; unsigned int sequence; struct siginfo info; struct task_struct *task; } drm_vbl_sig_t; #endif typedef struct drm_device { const char *name; /* Simple driver name */ char *unique; /* Unique identifier: e.g., busid */ int unique_len; /* Length of unique field */ dev_t device; /* Device number for mknod */ char *devname; /* For /proc/interrupts */ int blocked; /* Blocked due to VC switch? */ struct proc_dir_entry *root; /* Root for this device's entries */ /* Locks */ spinlock_t count_lock; /* For inuse, open_count, buf_use */ struct semaphore struct_sem; /* For others */ /* Usage Counters */ int open_count; /* Outstanding files open */ atomic_t ioctl_count; /* Outstanding IOCTLs pending */ atomic_t vma_count; /* Outstanding vma areas open */ int buf_use; /* Buffers in use -- cannot alloc */ atomic_t buf_alloc; /* Buffer allocation in progress */ /* Performance counters */ unsigned long counters; drm_stat_type_t types[15]; atomic_t counts[15]; /* Authentication */ drm_file_t *file_first; drm_file_t *file_last; drm_magic_head_t magiclist[DRM_HASH_SIZE]; /* Memory management */ drm_map_list_t *maplist; /* Linked list of regions */ int map_count; /* Number of mappable regions */ drm_map_t **context_sareas; int max_context; drm_vma_entry_t *vmalist; /* List of vmas (for debugging) */ drm_lock_data_t lock; /* Information on hardware lock */ /* DMA queues (contexts) */ int queue_count; /* Number of active DMA queues */ int queue_reserved; /* Number of reserved DMA queues */ int queue_slots; /* Actual length of queuelist */ drm_queue_t **queuelist; /* Vector of pointers to DMA queues */ drm_device_dma_t *dma; /* Optional pointer for DMA support */ /* Context support */ int irq; /* Interrupt used by board */ __volatile__ long context_flag; /* Context swapping flag */ __volatile__ long interrupt_flag; /* Interruption handler flag */ __volatile__ long dma_flag; /* DMA dispatch flag */ struct timer_list timer; /* Timer for delaying ctx switch */ wait_queue_head_t context_wait; /* Processes waiting on ctx switch */ int last_checked; /* Last context checked for DMA */ int last_context; /* Last current context */ unsigned long last_switch; /* jiffies at last context switch */ struct tq_struct tq; #if __HAVE_VBL_IRQ wait_queue_head_t vbl_queue; atomic_t vbl_received; spinlock_t vbl_lock; drm_vbl_sig_t vbl_sigs; unsigned int vbl_pending; #endif cycles_t ctx_start; cycles_t lck_start; #if __HAVE_DMA_HISTOGRAM drm_histogram_t histo; #endif /* Callback to X server for context switch and for heavy-handed reset. */ char buf[DRM_BSZ]; /* Output buffer */ char *buf_rp; /* Read pointer */ char *buf_wp; /* Write pointer */ char *buf_end; /* End pointer */ struct fasync_struct *buf_async;/* Processes waiting for SIGIO */ wait_queue_head_t buf_readers; /* Processes waiting to read */ wait_queue_head_t buf_writers; /* Processes waiting to ctx switch */ #if __REALLY_HAVE_AGP drm_agp_head_t *agp; #endif struct pci_dev *pdev; #ifdef __alpha__ struct pci_controller *hose; #endif drm_sg_mem_t *sg; /* Scatter gather memory */ unsigned long *ctx_bitmap; void *dev_private; drm_sigdata_t sigdata; /* For block_all_signals */ sigset_t sigmask; } drm_device_t; /* ================================================================ * Internal function definitions */ /* Misc. support (drm_init.h) */ extern int DRM(flags); extern void DRM(parse_options)( char *s ); extern int DRM(cpu_valid)( void ); /* Driver support (drm_drv.h) */ extern int DRM(version)(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); extern int DRM(open)(struct inode *inode, struct file *filp); extern int DRM(release)(struct inode *inode, struct file *filp); extern int DRM(ioctl)(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); extern int DRM(lock)(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); extern int DRM(unlock)(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); /* Device support (drm_fops.h) */ extern int DRM(open_helper)(struct inode *inode, struct file *filp, drm_device_t *dev); extern int DRM(flush)(struct file *filp); extern int DRM(release_fuck)(struct inode *inode, struct file *filp); extern int DRM(fasync)(int fd, struct file *filp, int on); extern ssize_t DRM(read)(struct file *filp, char *buf, size_t count, loff_t *off); extern int DRM(write_string)(drm_device_t *dev, const char *s); extern unsigned int DRM(poll)(struct file *filp, struct poll_table_struct *wait); /* Mapping support (drm_vm.h) */ extern struct page *DRM(vm_nopage)(struct vm_area_struct *vma, unsigned long address, int write_access); extern struct page *DRM(vm_shm_nopage)(struct vm_area_struct *vma, unsigned long address, int write_access); extern struct page *DRM(vm_dma_nopage)(struct vm_area_struct *vma, unsigned long address, int write_access); extern struct page *DRM(vm_sg_nopage)(struct vm_area_struct *vma, unsigned long address, int write_access); extern void DRM(vm_open)(struct vm_area_struct *vma); extern void DRM(vm_close)(struct vm_area_struct *vma); extern void DRM(vm_shm_close)(struct vm_area_struct *vma); extern int DRM(mmap_dma)(struct file *filp, struct vm_area_struct *vma); extern int DRM(mmap)(struct file *filp, struct vm_area_struct *vma); /* Memory management support (drm_memory.h) */ extern void DRM(mem_init)(void); extern int DRM(mem_info)(char *buf, char **start, off_t offset, int request, int *eof, void *data); extern void *DRM(alloc)(size_t size, int area); extern void *DRM(realloc)(void *oldpt, size_t oldsize, size_t size, int area); extern char *DRM(strdup)(const char *s, int area); extern void DRM(strfree)(const char *s, int area); extern void DRM(free)(void *pt, size_t size, int area); extern unsigned long DRM(alloc_pages)(int order, int area); extern void DRM(free_pages)(unsigned long address, int order, int area); extern void *DRM(ioremap)(unsigned long offset, unsigned long size, drm_device_t *dev); extern void *DRM(ioremap_nocache)(unsigned long offset, unsigned long size, drm_device_t *dev); extern void DRM(ioremapfree)(void *pt, unsigned long size, drm_device_t *dev); #if __REALLY_HAVE_AGP extern agp_memory *DRM(alloc_agp)(int pages, u32 type); extern int DRM(free_agp)(agp_memory *handle, int pages); extern int DRM(bind_agp)(agp_memory *handle, unsigned int start); extern int DRM(unbind_agp)(agp_memory *handle); #endif /* Misc. IOCTL support (drm_ioctl.h) */ extern int DRM(irq_busid)(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); extern int DRM(getunique)(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); extern int DRM(setunique)(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); extern int DRM(getmap)(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); extern int DRM(getclient)(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); extern int DRM(getstats)(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); /* Context IOCTL support (drm_context.h) */ extern int DRM(resctx)( struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg ); extern int DRM(addctx)( struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg ); extern int DRM(modctx)( struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg ); extern int DRM(getctx)( struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg ); extern int DRM(switchctx)( struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg ); extern int DRM(newctx)( struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg ); extern int DRM(rmctx)( struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg ); extern int DRM(context_switch)(drm_device_t *dev, int old, int new); extern int DRM(context_switch_complete)(drm_device_t *dev, int new); #if __HAVE_CTX_BITMAP extern int DRM(ctxbitmap_init)( drm_device_t *dev ); extern void DRM(ctxbitmap_cleanup)( drm_device_t *dev ); #endif extern int DRM(setsareactx)( struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg ); extern int DRM(getsareactx)( struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg ); /* Drawable IOCTL support (drm_drawable.h) */ extern int DRM(adddraw)(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); extern int DRM(rmdraw)(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); /* Authentication IOCTL support (drm_auth.h) */ extern int DRM(add_magic)(drm_device_t *dev, drm_file_t *priv, drm_magic_t magic); extern int DRM(remove_magic)(drm_device_t *dev, drm_magic_t magic); extern int DRM(getmagic)(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); extern int DRM(authmagic)(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); /* Locking IOCTL support (drm_lock.h) */ extern int DRM(block)(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); extern int DRM(unblock)(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); extern int DRM(lock_take)(__volatile__ unsigned int *lock, unsigned int context); extern int DRM(lock_transfer)(drm_device_t *dev, __volatile__ unsigned int *lock, unsigned int context); extern int DRM(lock_free)(drm_device_t *dev, __volatile__ unsigned int *lock, unsigned int context); extern int DRM(finish)(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); extern int DRM(flush_unblock)(drm_device_t *dev, int context, drm_lock_flags_t flags); extern int DRM(flush_block_and_flush)(drm_device_t *dev, int context, drm_lock_flags_t flags); extern int DRM(notifier)(void *priv); /* Buffer management support (drm_bufs.h) */ extern int DRM(order)( unsigned long size ); extern int DRM(addmap)( struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg ); extern int DRM(rmmap)( struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg ); #if __HAVE_DMA extern int DRM(addbufs)( struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg ); extern int DRM(infobufs)( struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg ); extern int DRM(markbufs)( struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg ); extern int DRM(freebufs)( struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg ); extern int DRM(mapbufs)( struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg ); /* DMA support (drm_dma.h) */ extern int DRM(dma_setup)(drm_device_t *dev); extern void DRM(dma_takedown)(drm_device_t *dev); extern void DRM(free_buffer)(drm_device_t *dev, drm_buf_t *buf); extern void DRM(reclaim_buffers)(drm_device_t *dev, pid_t pid); #if __HAVE_OLD_DMA /* GH: This is a dirty hack for now... */ extern void DRM(clear_next_buffer)(drm_device_t *dev); extern int DRM(select_queue)(drm_device_t *dev, void (*wrapper)(unsigned long)); extern int DRM(dma_enqueue)(drm_device_t *dev, drm_dma_t *dma); extern int DRM(dma_get_buffers)(drm_device_t *dev, drm_dma_t *dma); #endif #if __HAVE_DMA_IRQ extern int DRM(control)( struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg ); extern int DRM(irq_install)( drm_device_t *dev, int irq ); extern int DRM(irq_uninstall)( drm_device_t *dev ); extern void DRM(dma_service)( int irq, void *device, struct pt_regs *regs ); extern void DRM(driver_irq_preinstall)( drm_device_t *dev ); extern void DRM(driver_irq_postinstall)( drm_device_t *dev ); extern void DRM(driver_irq_uninstall)( drm_device_t *dev ); #if __HAVE_VBL_IRQ extern int DRM(wait_vblank)(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); extern int DRM(vblank_wait)(drm_device_t *dev, unsigned int *vbl_seq); extern void DRM(vbl_send_signals)( drm_device_t *dev ); #endif #if __HAVE_DMA_IRQ_BH extern void DRM(dma_immediate_bh)( void *dev ); #endif #endif #if DRM_DMA_HISTOGRAM extern int DRM(histogram_slot)(unsigned long count); extern void DRM(histogram_compute)(drm_device_t *dev, drm_buf_t *buf); #endif /* Buffer list support (drm_lists.h) */ #if __HAVE_DMA_WAITLIST extern int DRM(waitlist_create)(drm_waitlist_t *bl, int count); extern int DRM(waitlist_destroy)(drm_waitlist_t *bl); extern int DRM(waitlist_put)(drm_waitlist_t *bl, drm_buf_t *buf); extern drm_buf_t *DRM(waitlist_get)(drm_waitlist_t *bl); #endif #if __HAVE_DMA_FREELIST extern int DRM(freelist_create)(drm_freelist_t *bl, int count); extern int DRM(freelist_destroy)(drm_freelist_t *bl); extern int DRM(freelist_put)(drm_device_t *dev, drm_freelist_t *bl, drm_buf_t *buf); extern drm_buf_t *DRM(freelist_get)(drm_freelist_t *bl, int block); #endif #endif /* __HAVE_DMA */ #if __REALLY_HAVE_AGP /* AGP/GART support (drm_agpsupport.h) */ extern drm_agp_head_t *DRM(agp_init)(void); extern void DRM(agp_uninit)(void); extern int DRM(agp_acquire)(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); extern void DRM(agp_do_release)(void); extern int DRM(agp_release)(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); extern int DRM(agp_enable)(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); extern int DRM(agp_info)(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); extern int DRM(agp_alloc)(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); extern int DRM(agp_free)(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); extern int DRM(agp_unbind)(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); extern int DRM(agp_bind)(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); extern agp_memory *DRM(agp_allocate_memory)(size_t pages, u32 type); extern int DRM(agp_free_memory)(agp_memory *handle); extern int DRM(agp_bind_memory)(agp_memory *handle, off_t start); extern int DRM(agp_unbind_memory)(agp_memory *handle); #endif /* Stub support (drm_stub.h) */ int DRM(stub_register)(const char *name, struct file_operations *fops, drm_device_t *dev); int DRM(stub_unregister)(int minor); /* Proc support (drm_proc.h) */ extern struct proc_dir_entry *DRM(proc_init)(drm_device_t *dev, int minor, struct proc_dir_entry *root, struct proc_dir_entry **dev_root); extern int DRM(proc_cleanup)(int minor, struct proc_dir_entry *root, struct proc_dir_entry *dev_root); #if __HAVE_SG /* Scatter Gather Support (drm_scatter.h) */ extern void DRM(sg_cleanup)(drm_sg_mem_t *entry); extern int DRM(sg_alloc)(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); extern int DRM(sg_free)(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); #endif /* ATI PCIGART support (ati_pcigart.h) */ extern int DRM(ati_pcigart_init)(drm_device_t *dev, unsigned long *addr, dma_addr_t *bus_addr); extern int DRM(ati_pcigart_cleanup)(drm_device_t *dev, unsigned long addr, dma_addr_t bus_addr); #endif /* __KERNEL__ */ #endif