#define DRIVER_DMA_QUEUE 0x200
#define DRIVER_FB_DMA 0x400
#define DRIVER_IRQ_VBL2 0x800
+#define DRIVER_GEM 0x1000
/***********************************************************************/
/** \name Begin the DRM... */
struct drm_minor *minor;
int remove_auth_on_close;
unsigned long lock_count;
+ /** Mapping of mm object handles to object pointers. */
+ struct idr object_idr;
+ /** Lock for synchronization of access to object_idr. */
+ spinlock_t table_lock;
struct file *filp;
void *driver_priv;
};
int table_size;
};
+/**
+ * This structure defines the drm_mm memory object, which will be used by the
+ * DRM for its buffer objects.
+ */
+struct drm_gem_object {
+ /** Reference count of this object */
+ struct kref refcount;
+
+ /** Handle count of this object. Each handle also holds a reference */
+ struct kref handlecount;
+
+ /** Related drm device */
+ struct drm_device *dev;
+
+ /** File representing the shmem storage */
+ struct file *filp;
+
+ /**
+ * Size of the object, in bytes. Immutable over the object's
+ * lifetime.
+ */
+ size_t size;
+
+ /**
+ * Global name for this object, starts at 1. 0 means unnamed.
+ * Access is covered by the object_name_lock in the related drm_device
+ */
+ int name;
+
+ /**
+ * Memory domains. These monitor which caches contain read/write data
+ * related to the object. When transitioning from one set of domains
+ * to another, the driver is called to ensure that caches are suitably
+ * flushed and invalidated
+ */
+ uint32_t read_domains;
+ uint32_t write_domain;
+
+ /**
+ * While validating an exec operation, the
+ * new read/write domain values are computed here.
+ * They will be transferred to the above values
+ * at the point that any cache flushing occurs
+ */
+ uint32_t pending_read_domains;
+ uint32_t pending_write_domain;
+
+ void *driver_private;
+};
+
/**
* DRM driver structure. This structure represent the common code for
* a family of cards. There will one drm_device for each card present
int (*kernel_context_switch) (struct drm_device *dev, int old,
int new);
void (*kernel_context_switch_unlock) (struct drm_device *dev);
- int (*vblank_wait) (struct drm_device *dev, unsigned int *sequence);
- int (*vblank_wait2) (struct drm_device *dev, unsigned int *sequence);
int (*dri_library_name) (struct drm_device *dev, char *buf);
+ /**
+ * get_vblank_counter - get raw hardware vblank counter
+ * @dev: DRM device
+ * @crtc: counter to fetch
+ *
+ * Driver callback for fetching a raw hardware vblank counter
+ * for @crtc. If a device doesn't have a hardware counter, the
+ * driver can simply return the value of drm_vblank_count and
+ * make the enable_vblank() and disable_vblank() hooks into no-ops,
+ * leaving interrupts enabled at all times.
+ *
+ * Wraparound handling and loss of events due to modesetting is dealt
+ * with in the DRM core code.
+ *
+ * RETURNS
+ * Raw vblank counter value.
+ */
+ u32 (*get_vblank_counter) (struct drm_device *dev, int crtc);
+
+ /**
+ * enable_vblank - enable vblank interrupt events
+ * @dev: DRM device
+ * @crtc: which irq to enable
+ *
+ * Enable vblank interrupts for @crtc. If the device doesn't have
+ * a hardware vblank counter, this routine should be a no-op, since
+ * interrupts will have to stay on to keep the count accurate.
+ *
+ * RETURNS
+ * Zero on success, appropriate errno if the given @crtc's vblank
+ * interrupt cannot be enabled.
+ */
+ int (*enable_vblank) (struct drm_device *dev, int crtc);
+
+ /**
+ * disable_vblank - disable vblank interrupt events
+ * @dev: DRM device
+ * @crtc: which irq to enable
+ *
+ * Disable vblank interrupts for @crtc. If the device doesn't have
+ * a hardware vblank counter, this routine should be a no-op, since
+ * interrupts will have to stay on to keep the count accurate.
+ */
+ void (*disable_vblank) (struct drm_device *dev, int crtc);
+
/**
* Called by \c drm_device_is_agp. Typically used to determine if a
* card is really attached to AGP or not.
irqreturn_t(*irq_handler) (DRM_IRQ_ARGS);
void (*irq_preinstall) (struct drm_device *dev);
- void (*irq_postinstall) (struct drm_device *dev);
+ int (*irq_postinstall) (struct drm_device *dev);
void (*irq_uninstall) (struct drm_device *dev);
void (*reclaim_buffers) (struct drm_device *dev,
struct drm_file * file_priv);
void (*set_version) (struct drm_device *dev,
struct drm_set_version *sv);
+ int (*proc_init)(struct drm_minor *minor);
+ void (*proc_cleanup)(struct drm_minor *minor);
+
+ /**
+ * Driver-specific constructor for drm_gem_objects, to set up
+ * obj->driver_private.
+ *
+ * Returns 0 on success.
+ */
+ int (*gem_init_object) (struct drm_gem_object *obj);
+ void (*gem_free_object) (struct drm_gem_object *obj);
+
int major;
int minor;
int patchlevel;
/** \name Context support */
/*@{ */
- int irq; /**< Interrupt used by board */
int irq_enabled; /**< True if irq handler is enabled */
__volatile__ long context_flag; /**< Context swapping flag */
__volatile__ long interrupt_flag; /**< Interruption handler flag */
/** \name VBLANK IRQ support */
/*@{ */
- wait_queue_head_t vbl_queue; /**< VBLANK wait queue */
- atomic_t vbl_received;
- atomic_t vbl_received2; /**< number of secondary VBLANK interrupts */
+ /*
+ * At load time, disabling the vblank interrupt won't be allowed since
+ * old clients may not call the modeset ioctl and therefore misbehave.
+ * Once the modeset ioctl *has* been called though, we can safely
+ * disable them when unused.
+ */
+ int vblank_disable_allowed;
+
+ wait_queue_head_t *vbl_queue; /**< VBLANK wait queue */
+ atomic_t *_vblank_count; /**< number of VBLANK interrupts (driver must alloc the right number of counters) */
spinlock_t vbl_lock;
- struct list_head vbl_sigs; /**< signal list to send on VBLANK */
- struct list_head vbl_sigs2; /**< signals to send on secondary VBLANK */
- unsigned int vbl_pending;
+ struct list_head *vbl_sigs; /**< signal list to send on VBLANK */
+ atomic_t vbl_signal_pending; /* number of signals pending on all crtcs*/
+ atomic_t *vblank_refcount; /* number of users of vblank interruptsper crtc */
+ u32 *last_vblank; /* protected by dev->vbl_lock, used */
+ /* for wraparound handling */
+ int *vblank_enabled; /* so we don't call enable more than
+ once per disable */
+ int *vblank_inmodeset; /* Display driver is setting mode */
+ struct timer_list vblank_disable_timer;
+
+ u32 max_vblank_count; /**< size of vblank counter register */
spinlock_t tasklet_lock; /**< For drm_locked_tasklet */
void (*locked_tasklet_func)(struct drm_device *dev);
struct pci_controller *hose;
#endif
struct drm_sg_mem *sg; /**< Scatter gather memory */
+ int num_crtcs; /**< Number of CRTCs on this device */
void *dev_private; /**< device private data */
struct drm_sigdata sigdata; /**< For block_all_signals */
sigset_t sigmask;
spinlock_t drw_lock;
struct idr drw_idr;
/*@} */
+
+ /** \name GEM information */
+ /*@{ */
+ spinlock_t object_name_lock;
+ struct idr object_name_idr;
+ atomic_t object_count;
+ atomic_t object_memory;
+ atomic_t pin_count;
+ atomic_t pin_memory;
+ atomic_t gtt_count;
+ atomic_t gtt_memory;
+ uint32_t gtt_total;
+ uint32_t invalidate_domains; /* domains pending invalidation */
+ uint32_t flush_domains; /* domains pending flush */
+ /*@} */
+
};
+static inline int drm_dev_to_irq(struct drm_device *dev)
+{
+ return dev->pdev->irq;
+}
+
static __inline__ int drm_core_check_feature(struct drm_device *dev,
int feature)
{
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 DRM_AGP_MEM *drm_agp_bind_pages(struct drm_device *dev,
+ struct page **pages,
+ unsigned long num_pages,
+ uint32_t gtt_offset,
+ uint32_t type);
extern int drm_unbind_agp(DRM_AGP_MEM * handle);
/* Misc. IOCTL support (drm_ioctl.h) */
extern int drm_authmagic(struct drm_device *dev, void *data,
struct drm_file *file_priv);
+/* Cache management (drm_cache.c) */
+void drm_clflush_pages(struct page *pages[], unsigned long num_pages);
+
/* Locking IOCTL support (drm_lock.h) */
extern int drm_lock(struct drm_device *dev, void *data,
struct drm_file *file_priv);
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_install(struct drm_device *dev);
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_vblank_init(struct drm_device *dev, int num_crtcs);
extern int drm_wait_vblank(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
+ struct drm_file *filp);
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 *));
+extern u32 drm_vblank_count(struct drm_device *dev, int crtc);
+extern void drm_handle_vblank(struct drm_device *dev, int crtc);
+extern int drm_vblank_get(struct drm_device *dev, int crtc);
+extern void drm_vblank_put(struct drm_device *dev, int crtc);
+/* Modesetting support */
+extern int drm_modeset_ctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv);
extern void drm_locked_tasklet(struct drm_device *dev, void(*func)(struct drm_device*));
/* AGP/GART support (drm_agpsupport.h) */
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);
+extern void drm_agp_chipset_flush(struct drm_device *dev);
/* Stub support (drm_stub.h) */
extern int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent,
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);
+/* Graphics Execution Manager library functions (drm_gem.c) */
+int drm_gem_init(struct drm_device *dev);
+void drm_gem_object_free(struct kref *kref);
+struct drm_gem_object *drm_gem_object_alloc(struct drm_device *dev,
+ size_t size);
+void drm_gem_object_handle_free(struct kref *kref);
+
+static inline void
+drm_gem_object_reference(struct drm_gem_object *obj)
+{
+ kref_get(&obj->refcount);
+}
+
+static inline void
+drm_gem_object_unreference(struct drm_gem_object *obj)
+{
+ if (obj == NULL)
+ return;
+
+ kref_put(&obj->refcount, drm_gem_object_free);
+}
+
+int drm_gem_handle_create(struct drm_file *file_priv,
+ struct drm_gem_object *obj,
+ int *handlep);
+
+static inline void
+drm_gem_object_handle_reference(struct drm_gem_object *obj)
+{
+ drm_gem_object_reference(obj);
+ kref_get(&obj->handlecount);
+}
+
+static inline void
+drm_gem_object_handle_unreference(struct drm_gem_object *obj)
+{
+ if (obj == NULL)
+ return;
+
+ /*
+ * Must bump handle count first as this may be the last
+ * ref, in which case the object would disappear before we
+ * checked for a name
+ */
+ kref_put(&obj->handlecount, drm_gem_object_handle_free);
+ drm_gem_object_unreference(obj);
+}
+
+struct drm_gem_object *drm_gem_object_lookup(struct drm_device *dev,
+ struct drm_file *filp,
+ int handle);
+int drm_gem_close_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv);
+int drm_gem_flink_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv);
+int drm_gem_open_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv);
+void drm_gem_open(struct drm_device *dev, struct drm_file *file_private);
+void drm_gem_release(struct drm_device *dev, struct drm_file *file_private);
+
extern void drm_core_ioremap(struct drm_map *map, struct drm_device *dev);
+extern void drm_core_ioremap_wc(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,
git.openpandora.org / pandora-kernel.git / blobdiff