drmp.h

h内核

#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 *driver;
	drm_local_map_t   *agp_buffer_map;
} drm_device_t;

typedef struct drm_minor {
	enum {
		DRM_MINOR_FREE = 0,
		DRM_MINOR_PRIMARY,
	} type;
	drm_device_t *dev;
	struct proc_dir_entry  *dev_root; /**< proc directory entry */
} drm_minor_t;

static __inline__ int drm_core_check_feature(struct drm_device *dev, int feature)
{
	return ((dev->driver->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

/******************************************************************/
/** \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_init(struct drm_driver *driver);
extern void          drm_exit(struct drm_driver *driver);
extern int           drm_version(struct inode *inode, struct file *filp,
				  unsigned int cmd, unsigned long arg);
extern int           drm_ioctl(struct inode *inode, struct file *filp,
				unsigned int cmd, unsigned long arg);
extern int           drm_takedown(drm_device_t * dev);

				/* Device support (drm_fops.h) */
extern int           drm_open(struct inode *inode, struct file *filp);
extern int           drm_stub_open(struct inode *inode, struct file *filp);
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);
extern int           drm_release(struct inode *inode, struct file *filp);

				/* 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) */
#include "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_calloc(size_t nmemb, size_t size, int area);
extern void	     *drm_realloc(void *oldpt, size_t oldsize, 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 void          drm_ctxbitmap_free( drm_device_t *dev, int ctx_handle );

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(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);
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_core_reclaim_buffers(drm_device_t *dev, 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 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) */
extern int            drm_probe(struct pci_dev *pdev, const struct pci_device_id *ent, struct drm_driver *driver);

extern int 	      drm_put_minor(drm_device_t *dev);
extern unsigned int   drm_debug;
extern unsigned int   drm_cards_limit;
extern drm_minor_t    *drm_minors;
extern struct drm_sysfs_class *drm_class;
extern struct proc_dir_entry *drm_proc_root;

				/* Proc support (drm_proc.h) */
extern int            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);

extern void *drm_pci_alloc(drm_device_t * dev, size_t size,
			   size_t align, dma_addr_t maxaddr,
			   dma_addr_t * busaddr);

extern void drm_pci_free(drm_device_t * dev, size_t size,
			 void *vaddr, dma_addr_t busaddr);

			       /* sysfs support (drm_sysfs.c) */
struct drm_sysfs_class;
extern struct drm_sysfs_class *drm_sysfs_create(struct module *owner,
						char *name);
extern void drm_sysfs_destroy(struct drm_sysfs_class *cs);
extern struct class_device *drm_sysfs_device_add(struct drm_sysfs_class *cs,
						 dev_t dev,
						 struct device *device,
						 const char *fmt, ...);
extern void drm_sysfs_device_remove(dev_t dev);


/* 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)
{
}

#ifndef DEBUG_MEMORY
/** Wrapper around kmalloc() */
static __inline__ void *drm_alloc(size_t size, int area)
{
	return kmalloc(size, GFP_KERNEL);
}

/** Wrapper around kfree() */
static __inline__ void drm_free(void *pt, size_t size, int area)
{
	kfree(pt);
}
#else
extern void *drm_alloc(size_t size, int area);
extern void drm_free(void *pt, size_t size, int area);
#endif

/*@}*/

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