drmp.h

来自「Linux Kernel 2.6.9 for OMAP1710」· C头文件 代码 · 共 994 行 · 第 1/3 页

	cycles_t	  ctx_start;
	cycles_t	  lck_start;

	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 */

	drm_agp_head_t    *agp;	/**< AGP data */

	struct pci_dev    *pdev;	/**< PCI device structure */
	int               pci_domain;	/**< PCI bus domain number */
	int               pci_bus;	/**< PCI bus number */
	int               pci_slot;	/**< PCI slot number */
	int               pci_func;	/**< PCI function number */
#ifdef __alpha__
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,3)
	struct pci_controler *hose;
#else
	struct pci_controller *hose;
#endif
#endif
	drm_sg_mem_t      *sg;  /**< Scatter gather memory */
	unsigned long     *ctx_bitmap;	/**< context bitmap */
	void		  *dev_private; /**< device private data */
	drm_sigdata_t     sigdata; /**< For block_all_signals */
	sigset_t          sigmask;

	struct            drm_driver_fn fn_tbl;
	drm_local_map_t   *agp_buffer_map;
	int               dev_priv_size;
	u32               driver_features;
} drm_device_t;

static __inline__ int drm_core_check_feature(struct drm_device *dev, int feature)
{
	return ((dev->driver_features & feature) ? 1 : 0);
}

#if __OS_HAS_AGP
static inline int drm_core_has_AGP(struct drm_device *dev)
{
  return drm_core_check_feature(dev, DRIVER_USE_AGP);
}
#else
#define drm_core_has_AGP(dev) (0)
#endif

#if __OS_HAS_MTRR
static inline int drm_core_has_MTRR(struct drm_device *dev)
{
  return drm_core_check_feature(dev, DRIVER_USE_MTRR);
}
#else
#define drm_core_has_MTRR(dev) (0)
#endif

extern void DRM(driver_register_fns)(struct drm_device *dev);

/******************************************************************/
/** \name 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(fasync)(int fd, struct file *filp, int on);

				/* Mapping support (drm_vm.h) */
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);
extern unsigned int  DRM(poll)(struct file *filp, struct poll_table_struct *wait);
extern ssize_t       DRM(read)(struct file *filp, char __user *buf, size_t count, loff_t *off);

				/* 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(calloc)(size_t nmemb, size_t size, int area);
extern void	     *DRM(realloc)(void *oldpt, size_t oldsize, size_t size,
				   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);

extern DRM_AGP_MEM   *DRM(alloc_agp)(int pages, u32 type);
extern int           DRM(free_agp)(DRM_AGP_MEM *handle, int pages);
extern int           DRM(bind_agp)(DRM_AGP_MEM *handle, unsigned int start);
extern int           DRM(unbind_agp)(DRM_AGP_MEM *handle);

				/* Misc. IOCTL support (drm_ioctl.h) */
extern int	     DRM(irq_by_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);
extern int	     DRM(setversion)(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);

extern int	     DRM(ctxbitmap_init)( drm_device_t *dev );
extern void	     DRM(ctxbitmap_cleanup)( drm_device_t *dev );

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);

                                /* Placeholder for ioctls past */
extern int	     DRM(noop)(struct inode *inode, struct file *filp,
				  unsigned int cmd, unsigned long arg);

				/* Locking IOCTL support (drm_lock.h) */
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(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 );
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)( struct file *filp );

				/* IRQ support (drm_irq.h) */
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 );
extern int           DRM(irq_uninstall)( drm_device_t *dev );
extern irqreturn_t   DRM(irq_handler)( DRM_IRQ_ARGS );
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 );

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 );

				/* 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 DRM_AGP_MEM    *DRM(agp_allocate_memory)(size_t pages, u32 type);
extern int            DRM(agp_free_memory)(DRM_AGP_MEM *handle);
extern int            DRM(agp_bind_memory)(DRM_AGP_MEM *handle, off_t start);
extern int            DRM(agp_unbind_memory)(DRM_AGP_MEM *handle);

				/* 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);

				/* 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);

                               /* 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);


/* Inline replacements for DRM_IOREMAP macros */
static __inline__ void drm_core_ioremap(struct drm_map *map, struct drm_device *dev)
{
	map->handle = DRM(ioremap)( map->offset, map->size, dev );
}

static __inline__ void drm_core_ioremap_nocache(struct drm_map *map, struct drm_device *dev)
{
	map->handle = DRM(ioremap_nocache)(map->offset, map->size, dev);
}

static __inline__ void drm_core_ioremapfree(struct drm_map *map, struct drm_device *dev)
{
	if ( map->handle && map->size )
		DRM(ioremapfree)( map->handle, map->size, dev );
}

static __inline__ struct drm_map *drm_core_findmap(struct drm_device *dev, unsigned long offset)
{
	struct list_head *_list;
	list_for_each( _list, &dev->maplist->head ) {
		drm_map_list_t *_entry = list_entry( _list, drm_map_list_t, head );
		if ( _entry->map &&
		     _entry->map->offset == offset ) {
			return _entry->map;
		}
	}
	return NULL;
}

static __inline__ void drm_core_dropmap(struct drm_map *map)
{
}
/*@}*/

extern unsigned long DRM(core_get_map_ofs)(drm_map_t *map);
extern unsigned long DRM(core_get_reg_ofs)(struct drm_device *dev);

#endif /* __KERNEL__ */
#endif