1 files changed, 83 insertions, 0 deletions
diff --git a/drivers/staging/media/atomisp/pci/atomisp2/css2400/base/refcount/interface/ia_css_refcount.h b/drivers/staging/media/atomisp/pci/atomisp2/css2400/base/refcount/interface/ia_css_refcount.h
new file mode 100644
index 0000000..20db4de
--- /dev/null
+++ b/drivers/staging/media/atomisp/pci/atomisp2/css2400/base/refcount/interface/ia_css_refcount.h
@@ -0,0 +1,83 @@
+/*
+ * Support for Intel Camera Imaging ISP subsystem.
+ * Copyright (c) 2015, Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ */
+
+#ifndef _IA_CSS_REFCOUNT_H_
+#define _IA_CSS_REFCOUNT_H_
+
+#include <type_support.h>
+#include <system_types.h>
+#include <ia_css_err.h>
+
+typedef void (*clear_func)(hrt_vaddress ptr);
+
+/*! \brief Function for initializing refcount list
+ *
+ * \param[in]	size		Size of the refcount list.
+ * \return				ia_css_err
+ */
+extern enum ia_css_err ia_css_refcount_init(uint32_t size);
+
+/*! \brief Function for de-initializing refcount list
+ *
+ * \return				None
+ */
+extern void ia_css_refcount_uninit(void);
+
+/*! \brief Function for increasing reference by 1.
+ *
+ * \param[in]	id		ID of the object.
+ * \param[in]	ptr		Data of the object (ptr).
+ * \return				hrt_vaddress (saved address)
+ */
+extern hrt_vaddress ia_css_refcount_increment(int32_t id, hrt_vaddress ptr);
+
+/*! \brief Function for decrease reference by 1.
+ *
+ * \param[in]	id		ID of the object.
+ * \param[in]	ptr		Data of the object (ptr).
+ *
+ *	- true, if it is successful.
+ *	- false, otherwise.
+ */
+extern bool ia_css_refcount_decrement(int32_t id, hrt_vaddress ptr);
+
+/*! \brief Function to check if reference count is 1.
+ *
+ * \param[in]	ptr		Data of the object (ptr).
+ *
+ *	- true, if it is successful.
+ *	- false, otherwise.
+ */
+extern bool ia_css_refcount_is_single(hrt_vaddress ptr);
+
+/*! \brief Function to clear reference list objects.
+ *
+ * \param[in]	id			ID of the object.
+ * \param[in] clear_func	function to be run to free reference objects.
+ *
+ *  return				None
+ */
+extern void ia_css_refcount_clear(int32_t id,
+				  clear_func clear_func_ptr);
+
+/*! \brief Function to verify if object is valid
+ *
+ * \param[in] ptr       Data of the object (ptr)
+ *
+ *      - true, if valid
+ *      - false, if invalid
+ */
+extern bool ia_css_refcount_is_valid(hrt_vaddress ptr);
+
+#endif /* _IA_CSS_REFCOUNT_H_ */