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path: root/drivers/staging/media/atomisp/pci/runtime/rmgr/interface/ia_css_rmgr_vbuf.h
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Diffstat (limited to 'drivers/staging/media/atomisp/pci/runtime/rmgr/interface/ia_css_rmgr_vbuf.h')
-rw-r--r--drivers/staging/media/atomisp/pci/runtime/rmgr/interface/ia_css_rmgr_vbuf.h101
1 files changed, 101 insertions, 0 deletions
diff --git a/drivers/staging/media/atomisp/pci/runtime/rmgr/interface/ia_css_rmgr_vbuf.h b/drivers/staging/media/atomisp/pci/runtime/rmgr/interface/ia_css_rmgr_vbuf.h
new file mode 100644
index 000000000..ac969afc8
--- /dev/null
+++ b/drivers/staging/media/atomisp/pci/runtime/rmgr/interface/ia_css_rmgr_vbuf.h
@@ -0,0 +1,101 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Support for Intel Camera Imaging ISP subsystem.
+ * Copyright (c) 2010 - 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_RMGR_VBUF_H
+#define _IA_CSS_RMGR_VBUF_H
+
+#include "ia_css_rmgr.h"
+#include <type_support.h>
+#include <ia_css_types.h>
+#include <system_local.h>
+
+/**
+ * @brief Data structure for the resource handle (host, vbuf)
+ */
+struct ia_css_rmgr_vbuf_handle {
+ ia_css_ptr vptr;
+ u8 count;
+ u32 size;
+};
+
+/**
+ * @brief Data structure for the resource pool (host, vbuf)
+ */
+struct ia_css_rmgr_vbuf_pool {
+ u8 copy_on_write;
+ u8 recycle;
+ u32 size;
+ u32 index;
+ struct ia_css_rmgr_vbuf_handle **handles;
+};
+
+/**
+ * @brief VBUF resource pools
+ */
+extern struct ia_css_rmgr_vbuf_pool *vbuf_ref;
+extern struct ia_css_rmgr_vbuf_pool *vbuf_write;
+extern struct ia_css_rmgr_vbuf_pool *hmm_buffer_pool;
+
+/**
+ * @brief Initialize the resource pool (host, vbuf)
+ *
+ * @param pool The pointer to the pool
+ */
+STORAGE_CLASS_RMGR_H int ia_css_rmgr_init_vbuf(
+ struct ia_css_rmgr_vbuf_pool *pool);
+
+/**
+ * @brief Uninitialize the resource pool (host, vbuf)
+ *
+ * @param pool The pointer to the pool
+ */
+STORAGE_CLASS_RMGR_H void ia_css_rmgr_uninit_vbuf(
+ struct ia_css_rmgr_vbuf_pool *pool);
+
+/**
+ * @brief Acquire a handle from the pool (host, vbuf)
+ *
+ * @param pool The pointer to the pool
+ * @param handle The pointer to the handle
+ */
+STORAGE_CLASS_RMGR_H void ia_css_rmgr_acq_vbuf(
+ struct ia_css_rmgr_vbuf_pool *pool,
+ struct ia_css_rmgr_vbuf_handle **handle);
+
+/**
+ * @brief Release a handle to the pool (host, vbuf)
+ *
+ * @param pool The pointer to the pool
+ * @param handle The pointer to the handle
+ */
+STORAGE_CLASS_RMGR_H void ia_css_rmgr_rel_vbuf(
+ struct ia_css_rmgr_vbuf_pool *pool,
+ struct ia_css_rmgr_vbuf_handle **handle);
+
+/**
+ * @brief Retain the reference count for a handle (host, vbuf)
+ *
+ * @param handle The pointer to the handle
+ */
+void ia_css_rmgr_refcount_retain_vbuf(struct ia_css_rmgr_vbuf_handle **handle);
+
+/**
+ * @brief Release the reference count for a handle (host, vbuf)
+ *
+ * @param handle The pointer to the handle
+ */
+void ia_css_rmgr_refcount_release_vbuf(struct ia_css_rmgr_vbuf_handle **handle);
+
+#endif /* _IA_CSS_RMGR_VBUF_H */