1 files changed, 95 insertions, 0 deletions
diff --git a/drivers/staging/media/atomisp/pci/atomisp2/css2400/ia_css_device_access.c b/drivers/staging/media/atomisp/pci/atomisp2/css2400/ia_css_device_access.c
new file mode 100644
index 0000000..21b8423
--- /dev/null
+++ b/drivers/staging/media/atomisp/pci/atomisp2/css2400/ia_css_device_access.c
@@ -0,0 +1,95 @@
+/*
+ * 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_device_access.h"
+#include <type_support.h>   /* for uint*, size_t */
+#include <system_types.h>   /* for hrt_address */
+#include <ia_css_env.h>     /* for ia_css_hw_access_env */
+#include <assert_support.h> /* for assert */
+
+static struct ia_css_hw_access_env my_env;
+
+void
+ia_css_device_access_init(const struct ia_css_hw_access_env *env)
+{
+	assert(env != NULL);
+
+	my_env = *env;
+}
+
+uint8_t
+ia_css_device_load_uint8(const hrt_address addr)
+{
+	return my_env.load_8(addr);
+}
+
+uint16_t
+ia_css_device_load_uint16(const hrt_address addr)
+{
+	return my_env.load_16(addr);
+}
+
+uint32_t
+ia_css_device_load_uint32(const hrt_address addr)
+{
+	return my_env.load_32(addr);
+}
+
+uint64_t
+ia_css_device_load_uint64(const hrt_address addr)
+{
+	assert(0);
+
+	(void)addr;
+	return 0;
+}
+
+void
+ia_css_device_store_uint8(const hrt_address addr, const uint8_t data)
+{
+	my_env.store_8(addr, data);
+}
+
+void
+ia_css_device_store_uint16(const hrt_address addr, const uint16_t data)
+{
+	my_env.store_16(addr, data);
+}
+
+void
+ia_css_device_store_uint32(const hrt_address addr, const uint32_t data)
+{
+	my_env.store_32(addr, data);
+}
+
+void
+ia_css_device_store_uint64(const hrt_address addr, const uint64_t data)
+{
+	assert(0);
+
+	(void)addr;
+	(void)data;
+}
+
+void
+ia_css_device_load(const hrt_address addr, void *data, const size_t size)
+{
+	my_env.load(addr, data, (uint32_t)size);
+}
+
+void
+ia_css_device_store(const hrt_address addr, const void *data, const size_t size)
+{
+	my_env.store(addr, data, (uint32_t)size);
+}