#include <linux/smp_lock.h> /* For (un)lock_kernel */
#include <linux/mm.h>
#include <linux/cdev.h>
+#include <linux/mutex.h>
#if defined(__alpha__) || defined(__powerpc__)
#include <asm/pgtable.h> /* For pte_wrprotect */
#endif
spinlock_t lock;
} drm_freelist_t;
+typedef struct drm_dma_handle {
+ dma_addr_t busaddr;
+ void *vaddr;
+ size_t size;
+} drm_dma_handle_t;
+
/**
* Buffer entry. There is one of this for each buffer size order.
*/
drm_buf_t *buflist; /**< buffer list */
int seg_count;
int page_order;
- unsigned long *seglist;
+ drm_dma_handle_t **seglist;
drm_freelist_t freelist;
} drm_buf_entry_t;
drm_hw_lock_t *lock;
} drm_sigdata_t;
-typedef struct drm_dma_handle {
- dma_addr_t busaddr;
- void *vaddr;
- size_t size;
-} drm_dma_handle_t;
-
/**
* Mappings list
*/
/** \name Locks */
/*@{ */
spinlock_t count_lock; /**< For inuse, drm_device::open_count, drm_device::buf_use */
- struct semaphore struct_sem; /**< For others */
+ struct mutex struct_mutex; /**< For others */
/*@} */
/** \name Usage Counters */
/*@{ */
drm_ctx_list_t *ctxlist; /**< Linked list of context handles */
int ctx_count; /**< Number of context handles */
- struct semaphore ctxlist_sem; /**< For ctxlist */
+ struct mutex ctxlist_mutex; /**< For ctxlist */
drm_map_t **context_sareas; /**< per-context SAREA's */
int max_context;
#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
/******************************************************************/
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,
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 class *drm_class;
extern struct proc_dir_entry *drm_proc_root;
/* Proc support (drm_proc.h) */
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,
+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,
drm_head_t *head);
extern void drm_sysfs_device_remove(struct class_device *class_dev);