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Clean up the Ps2keyboardDxe module

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1) Use MicroSecondDelay() produced by TimerLib to replace gBS->Stall
2) Add more command/register/status definition for 8042/8048 chipset and remove hard code value used in driver's source code;
3) Remove some unused function declaration before function implementation.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@8604 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
klu2
2009-06-19 06:18:09 +00:00
parent 273d2d3f08
commit b6763e03bd
5 changed files with 181 additions and 265 deletions
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27
IntelFrameworkModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2Keyboard.h
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@ -33,6 +33,7 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#include <Library/MemoryAllocationLib.h>
#include <Library/BaseLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/TimerLib.h>
//
// Global Variables
@ -180,6 +181,32 @@ InstallPs2KeyboardDriver (
#define SCANCODE_SYS_REQ_MAKE 0x37
#define SCANCODE_MAX_MAKE 0x60
#define KEYBOARD_STATUS_REGISTER_HAS_OUTPUT_DATA BIT0 ///< 0 - Output register has no data; 1 - Output register has data
#define KEYBOARD_STATUS_REGISTER_HAS_INPUT_DATA BIT1 ///< 0 - Input register has no data; 1 - Input register has data
#define KEYBOARD_STATUS_REGISTER_SYSTEM_FLAG BIT2 ///< Set to 0 after power on reset
#define KEYBOARD_STATUS_REGISTER_INPUT_DATA_TYPE BIT3 ///< 0 - Data in input register is data; 1 - Data in input register is command
#define KEYBOARD_STATUS_REGISTER_ENABLE_FLAG BIT4 ///< 0 - Keyboard is disable; 1 - Keyboard is enable
#define KEYBOARD_STATUS_REGISTER_TRANSMIT_TIMEOUT BIT5 ///< 0 - Transmit is complete without timeout; 1 - Transmit is timeout without complete
#define KEYBOARD_STATUS_REGISTER_RECEIVE_TIMEOUT BIT6 ///< 0 - Receive is complete without timeout; 1 - Receive is timeout without complete
#define KEYBOARD_STATUS_REGISTER_PARITY BIT7 ///< 0 - Odd parity; 1 - Even parity
#define KEYBOARD_8042_COMMAND_READ 0x20
#define KEYBOARD_8042_COMMAND_WRITE 0x60
#define KEYBOARD_8042_COMMAND_DISABLE_MOUSE_INTERFACE 0xA7
#define KEYBOARD_8042_COMMAND_ENABLE_MOUSE_INTERFACE 0xA8
#define KEYBOARD_8042_COMMAND_CONTROLLER_SELF_TEST 0xAA
#define KEYBOARD_8042_COMMAND_KEYBOARD_INTERFACE_SELF_TEST 0xAB
#define KEYBOARD_8042_COMMAND_DISABLE_KEYBOARD_INTERFACE 0xAD
#define KEYBOARD_8048_COMMAND_CLEAR_OUTPUT_DATA 0xF4
#define KEYBOARD_8048_COMMAND_RESET 0xFF
#define KEYBOARD_8048_COMMAND_SELECT_SCAN_CODE_SET 0xF0
#define KEYBOARD_8048_RETURN_8042_BAT_SUCCESS 0xAA
#define KEYBOARD_8048_RETURN_8042_BAT_ERROR 0xFC
#define KEYBOARD_8048_RETURN_8042_ACK 0xFA
//
// Keyboard Controller Status
//