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61 lines
2.1 KiB
C
61 lines
2.1 KiB
C
/*
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* COPYRIGHT: GPL - See COPYING in the top level directory
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* PROJECT: ReactOS Virtual DOS Machine
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* FILE: subsystems/mvdm/ntvdm/hardware/ps2.h
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* PURPOSE: PS/2 controller emulation
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* PROGRAMMERS: Aleksandar Andrejevic <theflash AT sdf DOT lonestar DOT org>
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* Hermes Belusca-Maito (hermes.belusca@sfr.fr)
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*/
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#ifndef _PS2_H_
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#define _PS2_H_
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/* DEFINES ********************************************************************/
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/* I/O Ports */
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#define PS2_DATA_PORT 0x60
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#define PS2_CONTROL_PORT 0x64
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/* Controller Status Register flags */
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#define PS2_STAT_OUT_BUF_FULL (1 << 0)
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// #define PS2_STAT_IN_BUF_FULL (1 << 1)
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#define PS2_STAT_SYSTEM (1 << 2)
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#define PS2_STAT_COMMAND (1 << 3)
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#define PS2_STAT_KBD_ENABLE (1 << 4) // 0: Locked; 1: Not locked
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#define PS2_STAT_AUX_OUT_BUF_FULL (1 << 5)
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#define PS2_STAT_GEN_TIMEOUT (1 << 6)
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#define PS2_STAT_PARITY_ERROR (1 << 7)
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/* Controller Configuration Byte flags */
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#define PS2_CONFIG_KBD_INT (1 << 0)
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#define PS2_CONFIG_AUX_INT (1 << 1)
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#define PS2_CONFIG_SYSTEM (1 << 2)
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#define PS2_CONFIG_NO_KEYLOCK (1 << 3)
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#define PS2_CONFIG_KBD_DISABLE (1 << 4)
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#define PS2_CONFIG_AUX_DISABLE (1 << 5)
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// #define PS2_CONFIG_KBD_XLAT (1 << 6)
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/* Output Port flags */
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#define PS2_OUT_CPU_NO_RESET (1 << 0)
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#define PS2_OUT_A20_SET (1 << 1)
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#define PS2_OUT_AUX_DATA (1 << 2)
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// #define PS2_OUT_AUX_CLOCK (1 << 3)
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#define PS2_OUT_IRQ01 (1 << 4)
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#define PS2_OUT_IRQ12 (1 << 5)
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// #define PS2_OUT_KBD_CLOCK (1 << 6)
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#define PS2_OUT_KBD_DATA (1 << 7)
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typedef VOID (WINAPI *PS2_DEVICE_CMDPROC)(LPVOID Param, BYTE Command);
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/* FUNCTIONS ******************************************************************/
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VOID PS2SetDeviceCmdProc(BYTE PS2Port, LPVOID Param, PS2_DEVICE_CMDPROC DeviceCommand);
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BOOLEAN PS2QueuePush(BYTE PS2Port, BYTE Data);
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BOOLEAN PS2PortQueueRead(BYTE PS2Port);
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BOOLEAN PS2Initialize(VOID);
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VOID PS2Cleanup(VOID);
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#endif /* _PS2_H_ */
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