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authorIngo Molnar <mingo@elte.hu>2008-06-16 05:27:45 -0400
committerIngo Molnar <mingo@elte.hu>2008-06-16 05:27:45 -0400
commitd939d2851fd12568e2eabb2916769e8a57ba5c89 (patch)
treef3158a5ddd41541a61126f9e48de1ce89c632f64 /drivers/char/drm/drmP.h
parent9f5314fb4d556d3132c784d0df47352b2830ca53 (diff)
parent066519068ad2fbe98c7f45552b1f592903a9c8c8 (diff)
Merge branch 'linus' into x86/irq
Diffstat (limited to 'drivers/char/drm/drmP.h')
-rw-r--r--drivers/char/drm/drmP.h91
1 files changed, 17 insertions, 74 deletions
diff --git a/drivers/char/drm/drmP.h b/drivers/char/drm/drmP.h
index 213b3ca3468e..0764b662b339 100644
--- a/drivers/char/drm/drmP.h
+++ b/drivers/char/drm/drmP.h
@@ -100,8 +100,10 @@ struct drm_device;
100#define DRIVER_HAVE_DMA 0x20 100#define DRIVER_HAVE_DMA 0x20
101#define DRIVER_HAVE_IRQ 0x40 101#define DRIVER_HAVE_IRQ 0x40
102#define DRIVER_IRQ_SHARED 0x80 102#define DRIVER_IRQ_SHARED 0x80
103#define DRIVER_IRQ_VBL 0x100
103#define DRIVER_DMA_QUEUE 0x200 104#define DRIVER_DMA_QUEUE 0x200
104#define DRIVER_FB_DMA 0x400 105#define DRIVER_FB_DMA 0x400
106#define DRIVER_IRQ_VBL2 0x800
105 107
106/***********************************************************************/ 108/***********************************************************************/
107/** \name Begin the DRM... */ 109/** \name Begin the DRM... */
@@ -577,52 +579,10 @@ struct drm_driver {
577 int (*context_dtor) (struct drm_device *dev, int context); 579 int (*context_dtor) (struct drm_device *dev, int context);
578 int (*kernel_context_switch) (struct drm_device *dev, int old, 580 int (*kernel_context_switch) (struct drm_device *dev, int old,
579 int new); 581 int new);
580 void (*kernel_context_switch_unlock) (struct drm_device * dev); 582 void (*kernel_context_switch_unlock) (struct drm_device *dev);
581 /** 583 int (*vblank_wait) (struct drm_device *dev, unsigned int *sequence);
582 * get_vblank_counter - get raw hardware vblank counter 584 int (*vblank_wait2) (struct drm_device *dev, unsigned int *sequence);
583 * @dev: DRM device 585 int (*dri_library_name) (struct drm_device *dev, char *buf);
584 * @crtc: counter to fetch
585 *
586 * Driver callback for fetching a raw hardware vblank counter
587 * for @crtc. If a device doesn't have a hardware counter, the
588 * driver can simply return the value of drm_vblank_count and
589 * make the enable_vblank() and disable_vblank() hooks into no-ops,
590 * leaving interrupts enabled at all times.
591 *
592 * Wraparound handling and loss of events due to modesetting is dealt
593 * with in the DRM core code.
594 *
595 * RETURNS
596 * Raw vblank counter value.
597 */
598 u32 (*get_vblank_counter) (struct drm_device *dev, int crtc);
599
600 /**
601 * enable_vblank - enable vblank interrupt events
602 * @dev: DRM device
603 * @crtc: which irq to enable
604 *
605 * Enable vblank interrupts for @crtc. If the device doesn't have
606 * a hardware vblank counter, this routine should be a no-op, since
607 * interrupts will have to stay on to keep the count accurate.
608 *
609 * RETURNS
610 * Zero on success, appropriate errno if the given @crtc's vblank
611 * interrupt cannot be enabled.
612 */
613 int (*enable_vblank) (struct drm_device *dev, int crtc);
614
615 /**
616 * disable_vblank - disable vblank interrupt events
617 * @dev: DRM device
618 * @crtc: which irq to enable
619 *
620 * Disable vblank interrupts for @crtc. If the device doesn't have
621 * a hardware vblank counter, this routine should be a no-op, since
622 * interrupts will have to stay on to keep the count accurate.
623 */
624 void (*disable_vblank) (struct drm_device *dev, int crtc);
625 int (*dri_library_name) (struct drm_device *dev, char * buf);
626 586
627 /** 587 /**
628 * Called by \c drm_device_is_agp. Typically used to determine if a 588 * Called by \c drm_device_is_agp. Typically used to determine if a
@@ -641,7 +601,7 @@ struct drm_driver {
641 601
642 irqreturn_t(*irq_handler) (DRM_IRQ_ARGS); 602 irqreturn_t(*irq_handler) (DRM_IRQ_ARGS);
643 void (*irq_preinstall) (struct drm_device *dev); 603 void (*irq_preinstall) (struct drm_device *dev);
644 int (*irq_postinstall) (struct drm_device *dev); 604 void (*irq_postinstall) (struct drm_device *dev);
645 void (*irq_uninstall) (struct drm_device *dev); 605 void (*irq_uninstall) (struct drm_device *dev);
646 void (*reclaim_buffers) (struct drm_device *dev, 606 void (*reclaim_buffers) (struct drm_device *dev,
647 struct drm_file * file_priv); 607 struct drm_file * file_priv);
@@ -770,21 +730,13 @@ struct drm_device {
770 /** \name VBLANK IRQ support */ 730 /** \name VBLANK IRQ support */
771 /*@{ */ 731 /*@{ */
772 732
773 wait_queue_head_t *vbl_queue; /**< VBLANK wait queue */ 733 wait_queue_head_t vbl_queue; /**< VBLANK wait queue */
774 atomic_t *_vblank_count; /**< number of VBLANK interrupts (driver must alloc the right number of counters) */ 734 atomic_t vbl_received;
735 atomic_t vbl_received2; /**< number of secondary VBLANK interrupts */
775 spinlock_t vbl_lock; 736 spinlock_t vbl_lock;
776 struct list_head *vbl_sigs; /**< signal list to send on VBLANK */ 737 struct list_head vbl_sigs; /**< signal list to send on VBLANK */
777 atomic_t vbl_signal_pending; /* number of signals pending on all crtcs*/ 738 struct list_head vbl_sigs2; /**< signals to send on secondary VBLANK */
778 atomic_t *vblank_refcount; /* number of users of vblank interrupts per crtc */ 739 unsigned int vbl_pending;
779 u32 *last_vblank; /* protected by dev->vbl_lock, used */
780 /* for wraparound handling */
781 u32 *vblank_offset; /* used to track how many vblanks */
782 int *vblank_enabled; /* so we don't call enable more than
783 once per disable */
784 u32 *vblank_premodeset; /* were lost during modeset */
785 struct timer_list vblank_disable_timer;
786
787 unsigned long max_vblank_count; /**< size of vblank counter register */
788 spinlock_t tasklet_lock; /**< For drm_locked_tasklet */ 740 spinlock_t tasklet_lock; /**< For drm_locked_tasklet */
789 void (*locked_tasklet_func)(struct drm_device *dev); 741 void (*locked_tasklet_func)(struct drm_device *dev);
790 742
@@ -804,7 +756,6 @@ struct drm_device {
804#ifdef __alpha__ 756#ifdef __alpha__
805 struct pci_controller *hose; 757 struct pci_controller *hose;
806#endif 758#endif
807 int num_crtcs; /**< Number of CRTCs on this device */
808 struct drm_sg_mem *sg; /**< Scatter gather memory */ 759 struct drm_sg_mem *sg; /**< Scatter gather memory */
809 void *dev_private; /**< device private data */ 760 void *dev_private; /**< device private data */
810 struct drm_sigdata sigdata; /**< For block_all_signals */ 761 struct drm_sigdata sigdata; /**< For block_all_signals */
@@ -1039,19 +990,11 @@ extern void drm_driver_irq_preinstall(struct drm_device *dev);
1039extern void drm_driver_irq_postinstall(struct drm_device *dev); 990extern void drm_driver_irq_postinstall(struct drm_device *dev);
1040extern void drm_driver_irq_uninstall(struct drm_device *dev); 991extern void drm_driver_irq_uninstall(struct drm_device *dev);
1041 992
1042extern int drm_vblank_init(struct drm_device *dev, int num_crtcs); 993extern int drm_wait_vblank(struct drm_device *dev, void *data,
1043extern int drm_wait_vblank(struct drm_device *dev, void *data, struct drm_file *filp);
1044extern int drm_vblank_wait(struct drm_device * dev, unsigned int *vbl_seq);
1045extern void drm_locked_tasklet(struct drm_device *dev, void(*func)(struct drm_device*));
1046extern u32 drm_vblank_count(struct drm_device *dev, int crtc);
1047extern void drm_update_vblank_count(struct drm_device *dev, int crtc);
1048extern void drm_handle_vblank(struct drm_device *dev, int crtc);
1049extern int drm_vblank_get(struct drm_device *dev, int crtc);
1050extern void drm_vblank_put(struct drm_device *dev, int crtc);
1051
1052 /* Modesetting support */
1053extern int drm_modeset_ctl(struct drm_device *dev, void *data,
1054 struct drm_file *file_priv); 994 struct drm_file *file_priv);
995extern int drm_vblank_wait(struct drm_device *dev, unsigned int *vbl_seq);
996extern void drm_vbl_send_signals(struct drm_device *dev);
997extern void drm_locked_tasklet(struct drm_device *dev, void(*func)(struct drm_device*));
1055 998
1056 /* AGP/GART support (drm_agpsupport.h) */ 999 /* AGP/GART support (drm_agpsupport.h) */
1057extern struct drm_agp_head *drm_agp_init(struct drm_device *dev); 1000extern struct drm_agp_head *drm_agp_init(struct drm_device *dev);