diff options
Diffstat (limited to 'Platform/Marvell/Drivers/I2c/Devices/MvEeprom/MvEeprom.h')
| -rw-r--r-- | Platform/Marvell/Drivers/I2c/Devices/MvEeprom/MvEeprom.h | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/Platform/Marvell/Drivers/I2c/Devices/MvEeprom/MvEeprom.h b/Platform/Marvell/Drivers/I2c/Devices/MvEeprom/MvEeprom.h new file mode 100644 index 0000000000..b1af645050 --- /dev/null +++ b/Platform/Marvell/Drivers/I2c/Devices/MvEeprom/MvEeprom.h @@ -0,0 +1,103 @@ +/********************************************************************************
+Copyright (C) 2016 Marvell International Ltd.
+
+Marvell BSD License Option
+
+If you received this File from Marvell, you may opt to use, redistribute and/or
+modify this File under the following licensing terms.
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+* Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+
+* Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+
+* Neither the name of Marvell nor the names of its contributors may be
+ used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*******************************************************************************/
+
+#ifndef __MV_EEPROM_H__
+#define __MV_EEPROM_H__
+
+#include <Uefi.h>
+
+#define EEPROM_SIGNATURE SIGNATURE_32 ('E', 'E', 'P', 'R')
+
+#define MAX_BUFFER_LENGTH 64
+
+/*
+ * I2C_FLAG_NORESTART is not part of PI spec, it allows to continue
+ * transmission without repeated start operation.
+ * FIXME: This flag is also defined in Drivers/I2c/MvI2cDxe/MvI2cDxe.h
+ * and it's important to have both version synced. This solution is
+ * temporary and shared flag should be used by both files.
+ * Situation is analogous with I2C_GUID, which also should be common, but is
+ * for now defined same way in two header files.
+ */
+#define I2C_FLAG_NORESTART 0x00000002
+#define I2C_GUID \
+ { \
+ 0xadc1901b, 0xb83c, 0x4831, { 0x8f, 0x59, 0x70, 0x89, 0x8f, 0x26, 0x57, 0x1e } \
+ }
+
+typedef struct {
+ UINT32 Signature;
+ EFI_HANDLE ControllerHandle;
+ EFI_I2C_IO_PROTOCOL *I2cIo;
+ MARVELL_EEPROM_PROTOCOL EepromProtocol;
+} EEPROM_CONTEXT;
+
+#define EEPROM_SC_FROM_IO(a) CR (a, EEPROM_CONTEXT, I2cIo, EEPROM_SIGNATURE)
+#define EEPROM_SC_FROM_EEPROM(a) CR (a, EEPROM_CONTEXT, EepromProtocol, EEPROM_SIGNATURE)
+
+EFI_STATUS
+EFIAPI
+MvEepromSupported (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE ControllerHandle,
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
+ );
+
+EFI_STATUS
+EFIAPI
+MvEepromStart (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE ControllerHandle,
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
+ );
+
+EFI_STATUS
+EFIAPI
+MvEepromStop (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE ControllerHandle,
+ IN UINTN NumberOfChildren,
+ IN EFI_HANDLE *ChildHandleBuffer OPTIONAL
+ );
+
+EFI_STATUS
+EFIAPI
+MvEepromTransfer (
+ IN CONST MARVELL_EEPROM_PROTOCOL *This,
+ IN UINT16 Address,
+ IN UINT32 Length,
+ IN UINT8 *Buffer,
+ IN UINT8 Operation
+ );
+#endif // __MV_EEPROM_H__
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