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Diffstat (limited to 'drivers/staging/media/atomisp/pci/hrt/hive_isp_css_mm_hrt.h')
-rw-r--r--drivers/staging/media/atomisp/pci/hrt/hive_isp_css_mm_hrt.h57
1 files changed, 57 insertions, 0 deletions
diff --git a/drivers/staging/media/atomisp/pci/hrt/hive_isp_css_mm_hrt.h b/drivers/staging/media/atomisp/pci/hrt/hive_isp_css_mm_hrt.h
new file mode 100644
index 000000000000..818ecf90b1f5
--- /dev/null
+++ b/drivers/staging/media/atomisp/pci/hrt/hive_isp_css_mm_hrt.h
@@ -0,0 +1,57 @@
+/*
+ * Support for Medfield PNW Camera Imaging ISP subsystem.
+ *
+ * Copyright (c) 2010 Intel Corporation. All Rights Reserved.
+ *
+ * Copyright (c) 2010 Silicon Hive www.siliconhive.com.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that 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 _hive_isp_css_mm_hrt_h_
+#define _hive_isp_css_mm_hrt_h_
+
+#include <hmm/hmm.h>
+#include <hrt/hive_isp_css_custom_host_hrt.h>
+
+#define HRT_BUF_FLAG_CACHED BIT(0)
+
+enum hrt_userptr_type {
+ HRT_USR_PTR = 0,
+#ifdef CONFIG_ION
+ HRT_USR_ION,
+#endif
+};
+
+struct hrt_userbuffer_attr {
+ enum hrt_userptr_type type;
+ unsigned int pgnr;
+};
+
+void hrt_isp_css_mm_set_user_ptr(void __user *userptr,
+ unsigned int num_pages, enum hrt_userptr_type);
+
+/* Allocate memory, returns a virtual address */
+ia_css_ptr hrt_isp_css_mm_alloc(size_t bytes);
+ia_css_ptr hrt_isp_css_mm_alloc_user_ptr(size_t bytes,
+ const void __user *userptr,
+ unsigned int num_pages,
+ enum hrt_userptr_type,
+ bool cached);
+ia_css_ptr hrt_isp_css_mm_alloc_cached(size_t bytes);
+
+/* allocate memory and initialize with zeros,
+ returns a virtual address */
+ia_css_ptr hrt_isp_css_mm_calloc(size_t bytes);
+ia_css_ptr hrt_isp_css_mm_calloc_cached(size_t bytes);
+
+#endif /* _hive_isp_css_mm_hrt_h_ */