drmp.h

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

#ifdef __alpha__
#define drm_get_pci_domain(dev) dev->hose->index
#else
#define drm_get_pci_domain(dev) 0
#endif

#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);
}

#define DRM_MTRR_WC		MTRR_TYPE_WRCOMB

static inline int drm_mtrr_add(unsigned long offset, unsigned long size,
			       unsigned int flags)
{
	return mtrr_add(offset, size, flags, 1);
}

static inline int drm_mtrr_del(int handle, unsigned long offset,
			       unsigned long size, unsigned int flags)
{
	return mtrr_del(handle, offset, size);
}

#else
#define drm_core_has_MTRR(dev) (0)

#define DRM_MTRR_WC		0

static inline int drm_mtrr_add(unsigned long offset, unsigned long size,
			       unsigned int flags)
{
	return 0;
}

static inline int drm_mtrr_del(int handle, unsigned long offset,
			       unsigned long size, unsigned int flags)
{
	return 0;
}
#endif

/******************************************************************/
/** \name Internal function definitions */
/*@{*/

				/* Driver support (drm_drv.h) */
extern int drm_init(struct drm_driver *driver);
extern void drm_exit(struct drm_driver *driver);
extern int drm_ioctl(struct inode *inode, struct file *filp,
		     unsigned int cmd, unsigned long arg);
extern long drm_compat_ioctl(struct file *filp,
			     unsigned int cmd, unsigned long arg);
extern int drm_lastclose(struct drm_device *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_fasync(int fd, struct file *filp, int on);
extern int drm_release(struct inode *inode, struct file *filp);

				/* Mapping support (drm_vm.h) */
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);

				/* 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_realloc(void *oldpt, size_t oldsize, size_t size, int area);

extern DRM_AGP_MEM *drm_alloc_agp(struct drm_device *dev, 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 drm_device *dev, void *data,
			    struct drm_file *file_priv);
extern int drm_getunique(struct drm_device *dev, void *data,
			 struct drm_file *file_priv);
extern int drm_setunique(struct drm_device *dev, void *data,
			 struct drm_file *file_priv);
extern int drm_getmap(struct drm_device *dev, void *data,
		      struct drm_file *file_priv);
extern int drm_getclient(struct drm_device *dev, void *data,
			 struct drm_file *file_priv);
extern int drm_getstats(struct drm_device *dev, void *data,
			struct drm_file *file_priv);
extern int drm_setversion(struct drm_device *dev, void *data,
			  struct drm_file *file_priv);
extern int drm_noop(struct drm_device *dev, void *data,
		    struct drm_file *file_priv);

				/* Context IOCTL support (drm_context.h) */
extern int drm_resctx(struct drm_device *dev, void *data,
		      struct drm_file *file_priv);
extern int drm_addctx(struct drm_device *dev, void *data,
		      struct drm_file *file_priv);
extern int drm_modctx(struct drm_device *dev, void *data,
		      struct drm_file *file_priv);
extern int drm_getctx(struct drm_device *dev, void *data,
		      struct drm_file *file_priv);
extern int drm_switchctx(struct drm_device *dev, void *data,
			 struct drm_file *file_priv);
extern int drm_newctx(struct drm_device *dev, void *data,
		      struct drm_file *file_priv);
extern int drm_rmctx(struct drm_device *dev, void *data,
		     struct drm_file *file_priv);

extern int drm_ctxbitmap_init(struct drm_device *dev);
extern void drm_ctxbitmap_cleanup(struct drm_device *dev);
extern void drm_ctxbitmap_free(struct drm_device *dev, int ctx_handle);

extern int drm_setsareactx(struct drm_device *dev, void *data,
			   struct drm_file *file_priv);
extern int drm_getsareactx(struct drm_device *dev, void *data,
			   struct drm_file *file_priv);

				/* Drawable IOCTL support (drm_drawable.h) */
extern int drm_adddraw(struct drm_device *dev, void *data,
		       struct drm_file *file_priv);
extern int drm_rmdraw(struct drm_device *dev, void *data,
		      struct drm_file *file_priv);
extern int drm_update_drawable_info(struct drm_device *dev, void *data,
				    struct drm_file *file_priv);
extern struct drm_drawable_info *drm_get_drawable_info(struct drm_device *dev,
						  drm_drawable_t id);
extern void drm_drawable_free_all(struct drm_device *dev);

				/* Authentication IOCTL support (drm_auth.h) */
extern int drm_getmagic(struct drm_device *dev, void *data,
			struct drm_file *file_priv);
extern int drm_authmagic(struct drm_device *dev, void *data,
			 struct drm_file *file_priv);

				/* Locking IOCTL support (drm_lock.h) */
extern int drm_lock(struct drm_device *dev, void *data,
		    struct drm_file *file_priv);
extern int drm_unlock(struct drm_device *dev, void *data,
		      struct drm_file *file_priv);
extern int drm_lock_take(struct drm_lock_data *lock_data, unsigned int context);
extern int drm_lock_free(struct drm_lock_data *lock_data, unsigned int context);
extern void drm_idlelock_take(struct drm_lock_data *lock_data);
extern void drm_idlelock_release(struct drm_lock_data *lock_data);

/*
 * These are exported to drivers so that they can implement fencing using
 * DMA quiscent + idle. DMA quiescent usually requires the hardware lock.
 */

extern int drm_i_have_hw_lock(struct drm_device *dev, struct drm_file *file_priv);

				/* Buffer management support (drm_bufs.h) */
extern int drm_addbufs_agp(struct drm_device *dev, struct drm_buf_desc * request);
extern int drm_addbufs_pci(struct drm_device *dev, struct drm_buf_desc * request);
extern int drm_addmap(struct drm_device *dev, unsigned int offset,
		      unsigned int size, enum drm_map_type type,
		      enum drm_map_flags flags, drm_local_map_t ** map_ptr);
extern int drm_addmap_ioctl(struct drm_device *dev, void *data,
			    struct drm_file *file_priv);
extern int drm_rmmap(struct drm_device *dev, drm_local_map_t *map);
extern int drm_rmmap_locked(struct drm_device *dev, drm_local_map_t *map);
extern int drm_rmmap_ioctl(struct drm_device *dev, void *data,
			   struct drm_file *file_priv);
extern int drm_addbufs(struct drm_device *dev, void *data,
		       struct drm_file *file_priv);
extern int drm_infobufs(struct drm_device *dev, void *data,
			struct drm_file *file_priv);
extern int drm_markbufs(struct drm_device *dev, void *data,
			struct drm_file *file_priv);
extern int drm_freebufs(struct drm_device *dev, void *data,
			struct drm_file *file_priv);
extern int drm_mapbufs(struct drm_device *dev, void *data,
		       struct drm_file *file_priv);
extern int drm_order(unsigned long size);
extern unsigned long drm_get_resource_start(struct drm_device *dev,
					    unsigned int resource);
extern unsigned long drm_get_resource_len(struct drm_device *dev,
					  unsigned int resource);

				/* DMA support (drm_dma.h) */
extern int drm_dma_setup(struct drm_device *dev);
extern void drm_dma_takedown(struct drm_device *dev);
extern void drm_free_buffer(struct drm_device *dev, struct drm_buf * buf);
extern void drm_core_reclaim_buffers(struct drm_device *dev,
				     struct drm_file *filp);

				/* IRQ support (drm_irq.h) */
extern int drm_control(struct drm_device *dev, void *data,
		       struct drm_file *file_priv);
extern irqreturn_t drm_irq_handler(DRM_IRQ_ARGS);
extern int drm_irq_uninstall(struct drm_device *dev);
extern void drm_driver_irq_preinstall(struct drm_device *dev);
extern void drm_driver_irq_postinstall(struct drm_device *dev);
extern void drm_driver_irq_uninstall(struct drm_device *dev);

extern int drm_wait_vblank(struct drm_device *dev, void *data,
			   struct drm_file *file_priv);
extern int drm_vblank_wait(struct drm_device *dev, unsigned int *vbl_seq);
extern void drm_vbl_send_signals(struct drm_device *dev);
extern void drm_locked_tasklet(struct drm_device *dev, void(*func)(struct drm_device*));

				/* AGP/GART support (drm_agpsupport.h) */
extern struct drm_agp_head *drm_agp_init(struct drm_device *dev);
extern int drm_agp_acquire(struct drm_device *dev);
extern int drm_agp_acquire_ioctl(struct drm_device *dev, void *data,
				 struct drm_file *file_priv);
extern int drm_agp_release(struct drm_device *dev);
extern int drm_agp_release_ioctl(struct drm_device *dev, void *data,
				 struct drm_file *file_priv);
extern int drm_agp_enable(struct drm_device *dev, struct drm_agp_mode mode);
extern int drm_agp_enable_ioctl(struct drm_device *dev, void *data,
				struct drm_file *file_priv);
extern int drm_agp_info(struct drm_device *dev, struct drm_agp_info *info);
extern int drm_agp_info_ioctl(struct drm_device *dev, void *data,
			struct drm_file *file_priv);
extern int drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request);
extern int drm_agp_alloc_ioctl(struct drm_device *dev, void *data,
			 struct drm_file *file_priv);
extern int drm_agp_free(struct drm_device *dev, struct drm_agp_buffer *request);
extern int drm_agp_free_ioctl(struct drm_device *dev, void *data,
			struct drm_file *file_priv);
extern int drm_agp_unbind(struct drm_device *dev, struct drm_agp_binding *request);
extern int drm_agp_unbind_ioctl(struct drm_device *dev, void *data,
			  struct drm_file *file_priv);
extern int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request);
extern int drm_agp_bind_ioctl(struct drm_device *dev, void *data,
			struct drm_file *file_priv);
extern DRM_AGP_MEM *drm_agp_allocate_memory(struct agp_bridge_data *bridge, 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_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent,
		       struct drm_driver *driver);
extern int drm_put_dev(struct drm_device *dev);
extern int drm_put_head(struct drm_head *head);
extern unsigned int drm_debug;
extern unsigned int drm_cards_limit;
extern struct drm_head **drm_heads;
extern struct class *drm_class;
extern struct proc_dir_entry *drm_proc_root;

extern drm_local_map_t *drm_getsarea(struct drm_device *dev);

				/* Proc support (drm_proc.h) */
extern int drm_proc_init(struct drm_device *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(struct drm_sg_mem * entry);
extern int drm_sg_alloc_ioctl(struct drm_device *dev, void *data,
			struct drm_file *file_priv);
extern int drm_sg_alloc(struct drm_device *dev, struct drm_scatter_gather * request);
extern int drm_sg_free(struct drm_device *dev, void *data,
		       struct drm_file *file_priv);

			       /* ATI PCIGART support (ati_pcigart.h) */
extern int drm_ati_pcigart_init(struct drm_device *dev,
				struct drm_ati_pcigart_info * gart_info);
extern int drm_ati_pcigart_cleanup(struct drm_device *dev,
				   struct drm_ati_pcigart_info * gart_info);

extern drm_dma_handle_t *drm_pci_alloc(struct drm_device *dev, size_t size,
				       size_t align, dma_addr_t maxaddr);
extern void __drm_pci_free(struct drm_device *dev, drm_dma_handle_t * dmah);
extern void drm_pci_free(struct drm_device *dev, drm_dma_handle_t * dmah);

			       /* sysfs support (drm_sysfs.c) */
extern struct class *drm_sysfs_create(struct module *owner, char *name);
extern void drm_sysfs_destroy(struct class *cs);
extern struct class_device *drm_sysfs_device_add(struct class *cs,
						 struct drm_head *head);
extern void drm_sysfs_device_remove(struct class_device *class_dev);

/*
 * Basic memory manager support (drm_mm.c)
 */
extern struct drm_mm_node *drm_mm_get_block(struct drm_mm_node * parent,
				       unsigned long size,
				       unsigned alignment);
void drm_mm_put_block(struct drm_mm_node * cur);
extern struct drm_mm_node *drm_mm_search_free(const struct drm_mm *mm, unsigned long size,
					 unsigned alignment, int best_match);
extern int drm_mm_init(struct drm_mm *mm, unsigned long start, unsigned long size);
extern void drm_mm_takedown(struct drm_mm *mm);
extern int drm_mm_clean(struct drm_mm *mm);
extern unsigned long drm_mm_tail_space(struct drm_mm *mm);
extern int drm_mm_remove_space_from_tail(struct drm_mm *mm, unsigned long size);
extern int drm_mm_add_space_to_tail(struct drm_mm *mm, unsigned long size);

extern void drm_core_ioremap(struct drm_map *map, struct drm_device *dev);
extern void drm_core_ioremapfree(struct drm_map *map, struct drm_device *dev);

static __inline__ struct drm_map *drm_core_findmap(struct drm_device *dev,
						   unsigned int token)
{
	struct drm_map_list *_entry;
	list_for_each_entry(_entry, &dev->maplist, head)
	    if (_entry->user_token == token)
		return _entry->map;
	return NULL;
}

static __inline__ int drm_device_is_agp(struct drm_device *dev)
{
	if (dev->driver->device_is_agp != NULL) {
		int err = (*dev->driver->device_is_agp) (dev);

		if (err != 2) {
			return err;
		}
	}

	return pci_find_capability(dev->pdev, PCI_CAP_ID_AGP);
}

static __inline__ int drm_device_is_pcie(struct drm_device *dev)
{
	return pci_find_capability(dev->pdev, PCI_CAP_ID_EXP);
}

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);
}

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

/*@}*/

extern unsigned long drm_core_get_map_ofs(struct drm_map * map);
extern unsigned long drm_core_get_reg_ofs(struct drm_device *dev);

#endif				/* __KERNEL__ */
#endif