mirror of https://github.com/acidanthera/audk.git
446 lines
7.9 KiB
C
446 lines
7.9 KiB
C
/*++
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Copyright (c) 2006 - 2007, Intel Corporation. All rights reserved.
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This software and associated documentation (if any) is furnished
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under a license and may only be used or copied in accordance
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with the terms of the license. Except as permitted by such
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license, no part of this software or documentation may be
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reproduced, stored in a retrieval system, or transmitted in any
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form or by any means without the express written consent of
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Intel Corporation.
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Module Name:
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CommPs2.h
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Abstract:
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PS2 Mouse Communication Interface
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Revision History
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--*/
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#ifndef _COMMPS2_H_
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#define _COMMPS2_H_
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//
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// Include common header file for this module.
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//
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#include "CommonHeader.h"
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#define PS2_PACKET_LENGTH 3
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#define PS2_SYNC_MASK 0xc
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#define PS2_SYNC_BYTE 0x8
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#define IS_PS2_SYNC_BYTE(byte) ((byte & PS2_SYNC_MASK) == PS2_SYNC_BYTE)
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#define PS2_READ_BYTE_ONE 0
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#define PS2_READ_DATA_BYTE 1
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#define PS2_PROCESS_PACKET 2
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#define TIMEOUT 50000
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#define BAT_TIMEOUT 500000
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//
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// 8042 I/O Port
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//
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#define KBC_DATA_PORT 0x60
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#define KBC_CMD_STS_PORT 0x64
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//
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// 8042 Command
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//
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#define READ_CMD_BYTE 0x20
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#define WRITE_CMD_BYTE 0x60
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#define DISABLE_AUX 0xa7
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#define ENABLE_AUX 0xa8
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#define SELF_TEST 0xaa
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#define DISABLE_KB 0xad
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#define ENABLE_KB 0xae
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#define WRITE_AUX_DEV 0xd4
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#define CMD_SYS_FLAG 0x04
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#define CMD_KB_STS 0x10
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#define CMD_KB_DIS 0x10
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#define CMD_KB_EN 0x0
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//
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// 8042 Auxiliary Device Command
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//
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#define SETSF1_CMD 0xe6
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#define SETSF2_CMD 0xe7
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#define SETRE_CMD 0xe8
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#define READ_CMD 0xeb
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#define SETRM_CMD 0xf0
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#define SETSR_CMD 0xf3
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#define ENABLE_CMD 0xf4
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#define DISABLE_CMD 0xf5
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#define RESET_CMD 0xff
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//
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// return code
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//
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#define PS2_ACK 0xfa
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#define PS2_RESEND 0xfe
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#define PS2MOUSE_BAT1 0xaa
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#define PS2MOUSE_BAT2 0x0
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//
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// Keyboard Controller Status
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//
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#define KBC_PARE 0x80 // Parity Error
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#define KBC_TIM 0x40 // General Time Out
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#define KBC_AUXB 0x20 // Output buffer for auxiliary device (PS/2):
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// 0 - Holds keyboard data
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// 1 - Holds data for auxiliary device
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//
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#define KBC_KEYL 0x10 // Keyboard lock status:
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// 0 - keyboard locked
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// 1 - keyboard free
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//
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#define KBC_CD 0x08 // Command/Data:
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// 0 - data byte written via port 60h
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// 1 - command byte written via port 64h
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//
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#define KBC_SYSF 0x04 // System Flag:
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// 0 - power-on reset
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// 1 - self-test successful
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//
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#define KBC_INPB 0x02 // Input Buffer Status :
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// 0 - input buffer empty
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// 1 - CPU data in input buffer
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//
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#define KBC_OUTB 0x01 // Output Buffer Status :
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// 0 - output buffer empty
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// 1 - keyboard controller data in output buffer
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//
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EFI_STATUS
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KbcSelfTest (
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IN EFI_ISA_IO_PROTOCOL *IsaIo
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)
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/*++
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Routine Description:
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GC_TODO: Add function description
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Arguments:
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IsaIo - GC_TODO: add argument description
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Returns:
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GC_TODO: add return values
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--*/
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;
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EFI_STATUS
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KbcEnableAux (
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IN EFI_ISA_IO_PROTOCOL *IsaIo
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)
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/*++
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Routine Description:
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GC_TODO: Add function description
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Arguments:
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IsaIo - GC_TODO: add argument description
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Returns:
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GC_TODO: add return values
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--*/
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;
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EFI_STATUS
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KbcDisableAux (
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IN EFI_ISA_IO_PROTOCOL *IsaIo
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)
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/*++
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Routine Description:
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GC_TODO: Add function description
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Arguments:
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IsaIo - GC_TODO: add argument description
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Returns:
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GC_TODO: add return values
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--*/
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;
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EFI_STATUS
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KbcEnableKb (
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IN EFI_ISA_IO_PROTOCOL *IsaIo
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)
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/*++
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Routine Description:
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GC_TODO: Add function description
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Arguments:
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IsaIo - GC_TODO: add argument description
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Returns:
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GC_TODO: add return values
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--*/
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;
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EFI_STATUS
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KbcDisableKb (
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IN EFI_ISA_IO_PROTOCOL *IsaIo
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)
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/*++
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Routine Description:
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GC_TODO: Add function description
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Arguments:
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IsaIo - GC_TODO: add argument description
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Returns:
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GC_TODO: add return values
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--*/
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;
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EFI_STATUS
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CheckKbStatus (
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IN EFI_ISA_IO_PROTOCOL *IsaIo,
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OUT BOOLEAN *KeyboardEnable
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)
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/*++
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Routine Description:
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GC_TODO: Add function description
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Arguments:
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IsaIo - GC_TODO: add argument description
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KeyboardEnable - GC_TODO: add argument description
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Returns:
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GC_TODO: add return values
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--*/
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;
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EFI_STATUS
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PS2MouseReset (
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IN EFI_ISA_IO_PROTOCOL *IsaIo
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)
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/*++
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Routine Description:
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GC_TODO: Add function description
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Arguments:
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IsaIo - GC_TODO: add argument description
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Returns:
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GC_TODO: add return values
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--*/
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;
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EFI_STATUS
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PS2MouseSetSampleRate (
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IN EFI_ISA_IO_PROTOCOL *IsaIo,
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IN MOUSE_SR SampleRate
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)
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/*++
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Routine Description:
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GC_TODO: Add function description
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Arguments:
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IsaIo - GC_TODO: add argument description
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SampleRate - GC_TODO: add argument description
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Returns:
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GC_TODO: add return values
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--*/
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;
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EFI_STATUS
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PS2MouseSetResolution (
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IN EFI_ISA_IO_PROTOCOL *IsaIo,
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IN MOUSE_RE Resolution
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)
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/*++
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Routine Description:
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GC_TODO: Add function description
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Arguments:
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IsaIo - GC_TODO: add argument description
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Resolution - GC_TODO: add argument description
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Returns:
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GC_TODO: add return values
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--*/
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;
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EFI_STATUS
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PS2MouseSetScaling (
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IN EFI_ISA_IO_PROTOCOL *IsaIo,
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IN MOUSE_SF Scaling
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)
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/*++
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Routine Description:
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GC_TODO: Add function description
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Arguments:
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IsaIo - GC_TODO: add argument description
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Scaling - GC_TODO: add argument description
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Returns:
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GC_TODO: add return values
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--*/
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;
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EFI_STATUS
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PS2MouseEnable (
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IN EFI_ISA_IO_PROTOCOL *IsaIo
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)
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/*++
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Routine Description:
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GC_TODO: Add function description
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Arguments:
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IsaIo - GC_TODO: add argument description
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Returns:
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GC_TODO: add return values
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--*/
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;
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EFI_STATUS
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PS2MouseGetPacket (
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PS2_MOUSE_DEV *MouseDev
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)
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/*++
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Routine Description:
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GC_TODO: Add function description
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Arguments:
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MouseDev - GC_TODO: add argument description
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Returns:
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GC_TODO: add return values
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--*/
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;
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EFI_STATUS
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PS2MouseRead (
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IN EFI_ISA_IO_PROTOCOL *IsaIo,
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OUT VOID *Buffer,
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IN OUT UINTN *BufSize,
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IN UINTN State
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);
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//
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// 8042 I/O function
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//
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EFI_STATUS
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Out8042Command (
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IN EFI_ISA_IO_PROTOCOL *IsaIo,
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IN UINT8 Command
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);
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EFI_STATUS
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In8042Data (
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IN EFI_ISA_IO_PROTOCOL *IsaIo,
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IN OUT UINT8 *Data
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);
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EFI_STATUS
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Out8042Data (
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IN EFI_ISA_IO_PROTOCOL *IsaIo,
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IN UINT8 Data
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);
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EFI_STATUS
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Out8042AuxCommand (
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IN EFI_ISA_IO_PROTOCOL *IsaIo,
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IN UINT8 Command,
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IN BOOLEAN Resend
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);
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EFI_STATUS
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In8042AuxData (
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IN EFI_ISA_IO_PROTOCOL *IsaIo,
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IN OUT UINT8 *Data
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);
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EFI_STATUS
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Out8042AuxData (
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IN EFI_ISA_IO_PROTOCOL *IsaIo,
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IN UINT8 Data
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);
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EFI_STATUS
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CheckForInput (
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IN EFI_ISA_IO_PROTOCOL *IsaIo
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);
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EFI_STATUS
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WaitInputEmpty (
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IN EFI_ISA_IO_PROTOCOL *IsaIo,
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IN UINTN Timeout
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);
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EFI_STATUS
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WaitOutputFull (
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IN EFI_ISA_IO_PROTOCOL *IsaIo,
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IN UINTN Timeout
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);
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#endif // _COMMPS2_H_
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