1 files changed, 107 insertions, 0 deletions
diff --git a/drivers/staging/media/atomisp/pci/atomisp2/css2400/ia_css_memory_access.c b/drivers/staging/media/atomisp/pci/atomisp2/css2400/ia_css_memory_access.c
new file mode 100644
index 0000000..8dfb670
--- /dev/null
+++ b/drivers/staging/media/atomisp/pci/atomisp2/css2400/ia_css_memory_access.c
@@ -0,0 +1,107 @@
+/*
+ * 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.
+ */
+
+#include "ia_css_memory_access.h"
+#include <type_support.h>
+#include <system_types.h>
+#include <assert_support.h>
+#include <memory_access.h>
+#include <ia_css_env.h>
+
+const hrt_vaddress mmgr_NULL = (hrt_vaddress)0;
+const hrt_vaddress mmgr_EXCEPTION = (hrt_vaddress)-1;
+
+static struct ia_css_css_mem_env my_env;
+
+void
+ia_css_memory_access_init(const struct ia_css_css_mem_env *env)
+{
+	assert(env != NULL);
+
+	my_env = *env;
+}
+
+hrt_vaddress
+mmgr_malloc_ex(const size_t size, const char *caller_func, int caller_line)
+{
+	return mmgr_alloc_attr_ex(size, 0, caller_func, caller_line);
+}
+
+hrt_vaddress mmgr_alloc_attr_ex(const size_t size, const uint16_t attrs, const char *caller_func, int caller_line)
+{
+	uint32_t my_attrs = 0;
+	uint16_t masked_attrs = attrs & MMGR_ATTRIBUTE_MASK;
+	hrt_vaddress ptr;
+
+	if (masked_attrs & MMGR_ATTRIBUTE_CACHED)
+		my_attrs |= IA_CSS_MEM_ATTR_CACHED;
+	if (masked_attrs & MMGR_ATTRIBUTE_CLEARED)
+		my_attrs |= IA_CSS_MEM_ATTR_ZEROED;
+	if (masked_attrs & MMGR_ATTRIBUTE_CONTIGUOUS)
+		my_attrs |= IA_CSS_MEM_ATTR_CONTIGUOUS;
+	if (masked_attrs & MMGR_ATTRIBUTE_PAGEALIGN)
+		my_attrs |= IA_CSS_MEM_ATTR_PAGEALIGN;
+
+	(void)caller_func;
+	(void)caller_line;
+	ptr = my_env.alloc(size, my_attrs);
+	return ptr;
+}
+
+hrt_vaddress
+mmgr_calloc_ex(const size_t N, const size_t size, const char *caller_func, int caller_line)
+{
+	(void)caller_func;
+	(void)caller_line;
+	return mmgr_alloc_attr(size * N, MMGR_ATTRIBUTE_CLEARED);
+}
+
+void
+mmgr_free_ex(hrt_vaddress vaddr, const char *caller_func, int caller_line)
+{
+	(void)caller_func;
+	(void)caller_line;
+	my_env.free(vaddr);
+}
+
+void
+mmgr_clear_ex(hrt_vaddress vaddr, const size_t size, const char *caller_func, int caller_line)
+{
+	(void)caller_func;
+	(void)caller_line;
+	my_env.set(vaddr, 0, size);
+}
+
+void
+mmgr_load_ex(const hrt_vaddress vaddr, void *data, const size_t size, const char *caller_func, int caller_line)
+{
+	(void)caller_func;
+	(void)caller_line;
+	my_env.load(vaddr, data, size);
+}
+
+void
+mmgr_store_ex(const hrt_vaddress vaddr, const void *data, const size_t size, const char *caller_func, int caller_line)
+{
+	(void)caller_func;
+	(void)caller_line;
+	my_env.store(vaddr, data, size);
+}
+
+hrt_vaddress
+mmgr_mmap(const void *ptr, const size_t size,
+	  uint16_t attribute, void *context)
+{
+	return my_env.mmap(ptr, size, attribute, context);
+}