1 files changed, 52 insertions, 0 deletions
diff --git a/drivers/gpu/mali400/r3p2/mali/common/mali_broadcast.h b/drivers/gpu/mali400/r3p2/mali/common/mali_broadcast.h
new file mode 100644
index 0000000..df5f2f9
--- /dev/null
+++ b/drivers/gpu/mali400/r3p2/mali/common/mali_broadcast.h
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2012 ARM Limited. All rights reserved.
+ * 
+ * This program is free software and is provided to you under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation, and any use by you of this program is subject to the terms of such GNU licence.
+ * 
+ * A copy of the licence is included with the program, and can also be obtained from Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
+/*
+ *  Interface for the broadcast unit on Mali-450.
+ *
+ * - Represents up to 8 × (MMU + PP) pairs.
+ * - Supports dynamically changing which (MMU + PP) pairs receive the broadcast by
+ *   setting a mask.
+ */
+
+#include "mali_hw_core.h"
+#include "mali_group.h"
+
+struct mali_bcast_unit;
+
+struct mali_bcast_unit *mali_bcast_unit_create(const _mali_osk_resource_t *resource);
+void mali_bcast_unit_delete(struct mali_bcast_unit *bcast_unit);
+
+/* Add a group to the list of (MMU + PP) pairs broadcasts go out to. */
+void mali_bcast_add_group(struct mali_bcast_unit *bcast_unit, struct mali_group *group);
+
+/* Remove a group to the list of (MMU + PP) pairs broadcasts go out to. */
+void mali_bcast_remove_group(struct mali_bcast_unit *bcast_unit, struct mali_group *group);
+
+/* Re-set cached mask. This needs to be called after having been suspended. */
+void mali_bcast_reset(struct mali_bcast_unit *bcast_unit);
+
+/**
+ * Disable broadcast unit
+ *
+ * mali_bcast_enable must be called to re-enable the unit. Cores may not be
+ * added or removed when the unit is disabled.
+ */
+void mali_bcast_disable(struct mali_bcast_unit *bcast_unit);
+
+/**
+ * Re-enable broadcast unit
+ *
+ * This resets the masks to include the cores present when mali_bcast_disable was called.
+ */
+MALI_STATIC_INLINE void mali_bcast_enable(struct mali_bcast_unit *bcast_unit)
+{
+	mali_bcast_reset(bcast_unit);
+}