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/* --------------------------------------------------------------------
** Module : wowmmcb.h
**
** Description : Interrupt callback stuff for Multi-Media.
**
** History: : Created 09-Nov-1992 by StephenE
**
** --------------------------------------------------------------------
*/
#ifndef WOWMMCB_H
#define WOWMMCB_H
/*
** This header file will go through both 16 bit and 32 bit compilers.
** In 16 bit land UNALIGNED is not required, on 32 bit land UNALIGNED
** would have been #defined by the time this file was #included because
** this file is always included after wow32.h. This means the following
** #define is always a no-op with 16 bit compilers and ignored with
** 32 bit compilers.
*/
#ifndef UNALIGNED
#define UNALIGNED
#endif
extern void call_ica_hw_interrupt(int, int, int);
/* --------------------------------------------------------------------
** Hardware Interrupts:
**
** IRQ: Interrupt: ICA: Line: Description:
** -------------------------------------------------------------------
** IRQ0 0x08 0 0 Timer Tick every 18.2 times per second.
** IRQ1 0x09 0 1 Keyboard service required.
** IRQ2 0x0A 0 2 INT from slave 8259A.
** IRQ8 0x70 1 0 Real time clock service.
** IRQ9 0x71 1 1 Software redirected to IRQ2.
** IRQ10 0x72 1 2 Reserved.
** IRQ11 0x73 1 3 Reserved.
** IRQ12 0x74 1 4 Reserved.
** IRQ13 0x75 1 5 Numeric co-processor
** IRQ14 0x76 1 6 Fixed disk controller
** IRQ15 0x77 1 7 Reserved.
** IRQ3 0x0B 0 3 Com2 service request.
** IRQ4 0x0C 0 4 Com1 service request.
** IRQ5 0x0D 0 5 Data request from LPT2:
** IRQ6 0x0E 0 6 Floppy disk service required.
** IRQ7 0x0F 0 7 Data request from LPT1:
**
** --------------------------------------------------------------------
*/
#define MULTIMEDIA_LINE 2
#define MULTIMEDIA_ICA 1
#define MULTIMEDIA_INTERRUPT 0x72
#define CALLBACK_ARGS_SIZE 16
typedef struct _CALLBACK_ARGS { /* cbargs */
DWORD dwFlags; // Flags to identify the type of callback.
DWORD dwFunctionAddr; // 16:16 address of the function to be called
WORD wHandle; // The handle or ID of the device
WORD wMessage; // The message to be passed to function
DWORD dwInstance; // User data
DWORD dwParam1; // Device data 1
DWORD dwParam2; // Device data 2
} CALLBACK_ARGS;
typedef struct _CALLBACK_DATA { /* cbdata */
WORD wRecvCount; // The number of interrupts received
WORD wSendCount; // The number of interrupts sent
CALLBACK_ARGS args[CALLBACK_ARGS_SIZE]; // Interrupt arguments
WORD wIntsCount; // The number of interrupts received
} CALLBACK_DATA;
typedef CALLBACK_DATA FAR *VPCALLBACK_DATA; // 16:16 pointer type
typedef CALLBACK_ARGS FAR *VPCALLBACK_ARGS; // 16:16 pointer type
typedef CALLBACK_DATA UNALIGNED *PCALLBACK_DATA; // 0:32 pointer type
typedef CALLBACK_ARGS UNALIGNED *PCALLBACK_ARGS; // 0:32 pointer type
VOID FAR PASCAL Notify_Callback_Data( VPCALLBACK_DATA vpCallbackData );
#endif
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