1 files changed, 66 insertions, 0 deletions
diff --git a/drivers/video/b2r2/b2r2_profiler_api.h b/drivers/video/b2r2/b2r2_profiler_api.h
new file mode 100644
index 00000000000..5f1f9abbe49
--- /dev/null
+++ b/drivers/video/b2r2/b2r2_profiler_api.h
@@ -0,0 +1,66 @@
+/*
+ * Copyright (C) ST-Ericsson SA 2010
+ *
+ * ST-Ericsson B2R2 profiling API
+ *
+ * Author: Johan Mossberg <johan.xx.mossberg@stericsson.com>
+ * for ST-Ericsson.
+ *
+ * License terms: GNU General Public License (GPL), version 2.
+ */
+
+
+#ifndef _LINUX_VIDEO_B2R2_PROFILER_API_H
+#define _LINUX_VIDEO_B2R2_PROFILER_API_H
+
+#include <video/b2r2_blt.h>
+
+/**
+ * struct b2r2_blt_profiling_info - Profiling information for a blit
+ *
+ * @nsec_active_in_cpu: The number of nanoseconds the job was active in the CPU.
+ *                      This is an approximate value, check out the code for more
+ *                      info.
+ * @nsec_active_in_b2r2: The number of nanoseconds the job was active in B2R2. This
+ *                       is an approximate value, check out the code for more info.
+ * @total_time_nsec: The total time the job took in nano seconds. Includes ideling.
+ */
+struct b2r2_blt_profiling_info {
+	s32 nsec_active_in_cpu;
+	s32 nsec_active_in_b2r2;
+	s32 total_time_nsec;
+};
+
+/**
+ * struct b2r2_profiler - B2R2 profiler.
+ *
+ * The callbacks are never run concurrently. No heavy stuff must be done in the
+ * callbacks as this might adversely affect the B2R2 driver. The callbacks must
+ * not call the B2R2 profiler API as this will cause a deadlock. If the callbacks
+ * call into the B2R2 driver care must be taken as deadlock situations can arise.
+ *
+ * @blt_done: Called when a blit has finished, timed out or been canceled.
+ */
+struct b2r2_profiler {
+	void (*blt_done)(const struct b2r2_blt_req * const request, const s32 request_id, const struct b2r2_blt_profiling_info * const blt_profiling_info);
+};
+
+/**
+ * b2r2_register_profiler() - Registers a profiler.
+ *
+ * Currently only one profiler can be registered at any given time.
+ *
+ * @profiler: The profiler
+ *
+ * Returns 0 on success, negative error code on failure
+ */
+int b2r2_register_profiler(const struct b2r2_profiler * const profiler);
+
+/**
+ * b2r2_unregister_profiler() - Unregisters a profiler.
+ *
+ * @profiler: The profiler
+ */
+void b2r2_unregister_profiler(const struct b2r2_profiler * const profiler);
+
+#endif /* #ifdef _LINUX_VIDEO_B2R2_PROFILER_API_H */