drmp.h

linux-2.6.15.6

	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;
	unsigned int agp_buffer_token;
	drm_head_t primary;		/**< primary screen head */
} drm_device_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_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_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_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 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 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(drm_device_t * 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 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_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_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_free(drm_device_t * dev,
			 __volatile__ unsigned int *lock, unsigned int context);

				/* Buffer management support (drm_bufs.h) */
extern int drm_addbufs_agp(drm_device_t * dev, drm_buf_desc_t * request);
extern int drm_addbufs_pci(drm_device_t * dev, drm_buf_desc_t * request);
extern int drm_addmap(drm_device_t * dev, unsigned int offset,
		      unsigned int size, drm_map_type_t type,
		      drm_map_flags_t flags, drm_local_map_t ** map_ptr);
extern int drm_addmap_ioctl(struct inode *inode, struct file *filp,
			    unsigned int cmd, unsigned long arg);
extern int drm_rmmap(drm_device_t * dev, drm_local_map_t * map);
extern int drm_rmmap_locked(drm_device_t * dev, drm_local_map_t * map);
extern int drm_rmmap_ioctl(struct inode *inode, struct file *filp,
			   unsigned int cmd, unsigned long arg);

extern int drm_order(unsigned long size);
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);
extern unsigned long drm_get_resource_start(drm_device_t * dev,
					    unsigned int resource);
extern unsigned long drm_get_resource_len(drm_device_t * dev,
					  unsigned int resource);

				/* 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_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(drm_device_t * dev);
extern int drm_agp_acquire(drm_device_t * dev);
extern int drm_agp_acquire_ioctl(struct inode *inode, struct file *filp,
				 unsigned int cmd, unsigned long arg);
extern int drm_agp_release(drm_device_t * dev);
extern int drm_agp_release_ioctl(struct inode *inode, struct file *filp,
				 unsigned int cmd, unsigned long arg);
extern int drm_agp_enable(drm_device_t * dev, drm_agp_mode_t mode);
extern int drm_agp_enable_ioctl(struct inode *inode, struct file *filp,
				unsigned int cmd, unsigned long arg);
extern int drm_agp_info(drm_device_t * dev, drm_agp_info_t * info);
extern int drm_agp_info_ioctl(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(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(drm_device_t * dev);
extern int drm_put_head(drm_head_t * head);
extern unsigned int drm_debug;
extern unsigned int drm_cards_limit;
extern drm_head_t **drm_heads;
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,
				drm_ati_pcigart_info * gart_info);
extern int drm_ati_pcigart_cleanup(drm_device_t * dev,
				   drm_ati_pcigart_info * gart_info);

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

			       /* 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 int token)
{
	drm_map_list_t *_entry;
	list_for_each_entry(_entry, &dev->maplist->head, head)
	    if (_entry->user_token == token)
		return _entry->map;
	return NULL;
}

static __inline__ int drm_device_is_agp(drm_device_t * 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(drm_device_t * 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(drm_map_t * map);
extern unsigned long drm_core_get_reg_ofs(struct drm_device *dev);

#ifndef pci_pretty_name
#define pci_pretty_name(dev) ""
#endif

#endif				/* __KERNEL__ */
#endif