mirror of
https://github.com/acidanthera/audk.git
synced 2025-10-28 17:53:53 +01:00
4059386c70
https://bugzilla.tianocore.org/show_bug.cgi?id=1373 Replace BSD 2-Clause License with BSD+Patent License. This change is based on the following emails: https://lists.01.org/pipermail/edk2-devel/2019-February/036260.html https://lists.01.org/pipermail/edk2-devel/2018-October/030385.html RFCs with detailed process for the license change: V3: https://lists.01.org/pipermail/edk2-devel/2019-March/038116.html V2: https://lists.01.org/pipermail/edk2-devel/2019-March/037669.html V1: https://lists.01.org/pipermail/edk2-devel/2019-March/037500.html Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com> Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
86 lines
2.5 KiB
C
86 lines
2.5 KiB
C
/** @file
|
|
|
|
Copyright (c) 2017-2018, Arm Limited. All rights reserved.
|
|
|
|
SPDX-License-Identifier: BSD-2-Clause-Patent
|
|
|
|
System Control and Management Interface V1.0
|
|
http://infocenter.arm.com/help/topic/com.arm.doc.den0056a/
|
|
DEN0056A_System_Control_and_Management_Interface.pdf
|
|
**/
|
|
|
|
#ifndef ARM_SCMI_CLOCK_PROTOCOL_PRIVATE_H_
|
|
#define ARM_SCMI_CLOCK_PROTOCOL_PRIVATE_H_
|
|
|
|
#pragma pack(1)
|
|
|
|
// Clock rate in two 32bit words.
|
|
typedef struct {
|
|
UINT32 Low;
|
|
UINT32 High;
|
|
} CLOCK_RATE_DWORD;
|
|
|
|
// Format of the returned rate array. Linear or Non-linear,.RatesFlag Bit[12]
|
|
#define RATE_FORMAT_SHIFT 12
|
|
#define RATE_FORMAT_MASK 0x0001
|
|
#define RATE_FORMAT(RatesFlags) ((RatesFlags >> RATE_FORMAT_SHIFT) \
|
|
& RATE_FORMAT_MASK)
|
|
|
|
// Number of remaining rates after a call to the SCP, RatesFlag Bits[31:16]
|
|
#define NUM_REMAIN_RATES_SHIFT 16
|
|
#define NUM_REMAIN_RATES(RatesFlags) ((RatesFlags >> NUM_REMAIN_RATES_SHIFT))
|
|
|
|
// Number of rates that are returned by a call.to the SCP, RatesFlag Bits[11:0]
|
|
#define NUM_RATES_MASK 0x0FFF
|
|
#define NUM_RATES(RatesFlags) (RatesFlags & NUM_RATES_MASK)
|
|
|
|
// Return values for the CLOCK_DESCRIBER_RATE command.
|
|
typedef struct {
|
|
UINT32 NumRatesFlags;
|
|
|
|
// NOTE: Since EDK2 does not allow flexible array member [] we declare
|
|
// here array of 1 element length. However below is used as a variable
|
|
// length array.
|
|
CLOCK_RATE_DWORD Rates[1];
|
|
} CLOCK_DESCRIBE_RATES;
|
|
|
|
#define CLOCK_SET_DEFAULT_FLAGS 0
|
|
|
|
// Message parameters for CLOCK_RATE_SET command.
|
|
typedef struct {
|
|
UINT32 Flags;
|
|
UINT32 ClockId;
|
|
CLOCK_RATE_DWORD Rate;
|
|
} CLOCK_RATE_SET_ATTRIBUTES;
|
|
|
|
|
|
// Message parameters for CLOCK_CONFIG_SET command.
|
|
typedef struct {
|
|
UINT32 ClockId;
|
|
UINT32 Attributes;
|
|
} CLOCK_CONFIG_SET_ATTRIBUTES;
|
|
|
|
// if ClockAttr Bit[0] is set then clock device is enabled.
|
|
#define CLOCK_ENABLE_MASK 0x1
|
|
#define CLOCK_ENABLED(ClockAttr) ((ClockAttr & CLOCK_ENABLE_MASK) == 1)
|
|
|
|
typedef struct {
|
|
UINT32 Attributes;
|
|
UINT8 ClockName[SCMI_MAX_STR_LEN];
|
|
} CLOCK_ATTRIBUTES;
|
|
|
|
#pragma pack()
|
|
|
|
/** Initialize clock management protocol and install protocol on a given handle.
|
|
|
|
@param[in] Handle Handle to install clock management protocol.
|
|
|
|
@retval EFI_SUCCESS Clock protocol interface installed successfully.
|
|
**/
|
|
EFI_STATUS
|
|
ScmiClockProtocolInit (
|
|
IN EFI_HANDLE *Handle
|
|
);
|
|
|
|
#endif /* ARM_SCMI_CLOCK_PROTOCOL_PRIVATE_H_ */
|