Platform: drivers and external components
This includes all the platform drivers required by Trusted Firmware M.
The 'ext' directory contains code for target support which has been
brought in from other project.
Change-Id: Iaf4659e1d9b2ad4c662a2e5566571657042b5f2e
Signed-off-by: Abhishek Pandit <abhishek.pandit@arm.com>
diff --git a/platform/ext/driver/Driver_Common.h b/platform/ext/driver/Driver_Common.h
new file mode 100644
index 0000000..cdf44b3
--- /dev/null
+++ b/platform/ext/driver/Driver_Common.h
@@ -0,0 +1,69 @@
+/*
+ * Copyright (c) 2013-2016 ARM Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the License); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an AS IS BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * $Date: 2. Jan 2014
+ * $Revision: V2.00
+ *
+ * Project: Common Driver definitions
+ */
+
+/* History:
+ * Version 2.00
+ * Changed prefix ARM_DRV -> ARM_DRIVER
+ * Added General return codes definitions
+ * Version 1.10
+ * Namespace prefix ARM_ added
+ * Version 1.00
+ * Initial release
+ */
+
+#ifndef __DRIVER_COMMON_H
+#define __DRIVER_COMMON_H
+
+#include <stddef.h>
+#include <stdint.h>
+#include <stdbool.h>
+
+#define ARM_DRIVER_VERSION_MAJOR_MINOR(major,minor) (((major) << 8) | (minor))
+
+/**
+\brief Driver Version
+*/
+typedef struct _ARM_DRIVER_VERSION {
+ uint16_t api; ///< API version
+ uint16_t drv; ///< Driver version
+} ARM_DRIVER_VERSION;
+
+/* General return codes */
+#define ARM_DRIVER_OK 0 ///< Operation succeeded
+#define ARM_DRIVER_ERROR -1 ///< Unspecified error
+#define ARM_DRIVER_ERROR_BUSY -2 ///< Driver is busy
+#define ARM_DRIVER_ERROR_TIMEOUT -3 ///< Timeout occurred
+#define ARM_DRIVER_ERROR_UNSUPPORTED -4 ///< Operation not supported
+#define ARM_DRIVER_ERROR_PARAMETER -5 ///< Parameter error
+#define ARM_DRIVER_ERROR_SPECIFIC -6 ///< Start of driver specific errors
+
+/**
+\brief General power states
+*/
+typedef enum _ARM_POWER_STATE {
+ ARM_POWER_OFF, ///< Power off: no operation possible
+ ARM_POWER_LOW, ///< Low Power mode: retain state, detect and signal wake-up events
+ ARM_POWER_FULL ///< Power on: full operation at maximum performance
+} ARM_POWER_STATE;
+
+#endif /* __DRIVER_COMMON_H */