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Diffstat (limited to 'drivers/gpu/host1x/intr.h')
-rw-r--r--drivers/gpu/host1x/intr.h83
1 files changed, 9 insertions, 74 deletions
diff --git a/drivers/gpu/host1x/intr.h b/drivers/gpu/host1x/intr.h
index e4c346099273..3b5610b525e5 100644
--- a/drivers/gpu/host1x/intr.h
+++ b/drivers/gpu/host1x/intr.h
@@ -2,87 +2,17 @@
/*
* Tegra host1x Interrupt Management
*
- * Copyright (c) 2010-2013, NVIDIA Corporation.
+ * Copyright (c) 2010-2021, NVIDIA Corporation.
*/
#ifndef __HOST1X_INTR_H
#define __HOST1X_INTR_H
-#include <linux/interrupt.h>
-#include <linux/workqueue.h>
-
-struct host1x_syncpt;
struct host1x;
-
-enum host1x_intr_action {
- /*
- * Perform cleanup after a submit has completed.
- * 'data' points to a channel
- */
- HOST1X_INTR_ACTION_SUBMIT_COMPLETE = 0,
-
- /*
- * Wake up a task.
- * 'data' points to a wait_queue_head_t
- */
- HOST1X_INTR_ACTION_WAKEUP,
-
- /*
- * Wake up a interruptible task.
- * 'data' points to a wait_queue_head_t
- */
- HOST1X_INTR_ACTION_WAKEUP_INTERRUPTIBLE,
-
- HOST1X_INTR_ACTION_SIGNAL_FENCE,
-
- HOST1X_INTR_ACTION_COUNT
-};
-
-struct host1x_syncpt_intr {
- spinlock_t lock;
- struct list_head wait_head;
- char thresh_irq_name[12];
- struct work_struct work;
-};
-
-struct host1x_waitlist {
- struct list_head list;
- struct kref refcount;
- u32 thresh;
- enum host1x_intr_action action;
- atomic_t state;
- void *data;
- int count;
-};
-
-/*
- * Schedule an action to be taken when a sync point reaches the given threshold.
- *
- * @id the sync point
- * @thresh the threshold
- * @action the action to take
- * @data a pointer to extra data depending on action, see above
- * @waiter waiter structure - assumes ownership
- * @ref must be passed if cancellation is possible, else NULL
- *
- * This is a non-blocking api.
- */
-int host1x_intr_add_action(struct host1x *host, struct host1x_syncpt *syncpt,
- u32 thresh, enum host1x_intr_action action,
- void *data, struct host1x_waitlist *waiter,
- void **ref);
-
-/*
- * Unreference an action submitted to host1x_intr_add_action().
- * You must call this if you passed non-NULL as ref.
- * @ref the ref returned from host1x_intr_add_action()
- * @flush wait until any pending handlers have completed before returning.
- */
-void host1x_intr_put_ref(struct host1x *host, unsigned int id, void *ref,
- bool flush);
+struct host1x_syncpt_fence;
/* Initialize host1x sync point interrupt */
-int host1x_intr_init(struct host1x *host, unsigned int irq_sync);
+int host1x_intr_init(struct host1x *host);
/* Deinitialize host1x sync point interrupt */
void host1x_intr_deinit(struct host1x *host);
@@ -93,5 +23,10 @@ void host1x_intr_start(struct host1x *host);
/* Disable host1x sync point interrupt */
void host1x_intr_stop(struct host1x *host);
-irqreturn_t host1x_syncpt_thresh_fn(void *dev_id);
+void host1x_intr_handle_interrupt(struct host1x *host, unsigned int id);
+
+void host1x_intr_add_fence_locked(struct host1x *host, struct host1x_syncpt_fence *fence);
+
+bool host1x_intr_remove_fence(struct host1x *host, struct host1x_syncpt_fence *fence);
+
#endif