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/*++
Copyright (c) Microsoft Corporation. All rights reserved.
Module Name:
skeletoni2c.h
Abstract:
This module contains the controller-specific type
definitions for the SPB controller driver hardware.
Environment:
kernel-mode only
Revision History:
--*/
//
// Includes for hardware register definitions.
//
#ifndef _SKELETONI2C_H_
#define _SKELETONI2C_H_
#include "hw.h"
//
// Skeleton I2C controller registers.
//
typedef struct SKELETONI2C_REGISTERS
{
// TODO: Update this register structure to match the
// register mapping of the controller hardware.
__declspec(align(4)) HWREG<ULONG> Reg0;
__declspec(align(4)) HWREG<ULONG> Reg1;
}
SKELETONI2C_REGISTERS, *PSKELETONI2C_REGISTERS;
// TODO: Update the following defines to match the bit
// functionalities of each register.
//
// Reg0 register bits.
//
#define SI2C_REG_0_BITS_31_28 0xF0000000
//
// Reg1 register bits.
//
#define SI2C_REG_1_BITS_31_28 0xF0000000
// TODO: Define other controller-specific values.
#define SI2C_MAX_TRANSFER_LENGTH 0x00001000
// TODO: Remove these generic error defines in favor
// of real register bit mappings defined above.
#define SI2C_STATUS_ADDRESS_NACK 0x00000000
#define SI2C_STATUS_DATA_NACK 0x00000000
#define SI2C_STATUS_GENERIC_ERROR 0x00000000
//
// Register evaluation functions.
//
FORCEINLINE
bool
TestAnyBits(
_In_ ULONG V1,
_In_ ULONG V2
)
{
return (V1 & V2) != 0;
}
FORCEINLINE
bool
TestAllBits(
_In_ ULONG V1,
_In_ ULONG V2
)
{
return ((V1 & V2) == V2);
}
#endif
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