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git-svn-id: file:///Users/lillianskinner/Downloads/platinum/twl/TwlIPL/trunk@542 b08762b0-b915-fc4b-9d8c-17b2551a87ff
119 lines
2.9 KiB
C
119 lines
2.9 KiB
C
/*---------------------------------------------------------------------------*
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Project: TwlIPL
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File: pxi.c
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Copyright 2007 Nintendo. All rights reserved.
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These coded instructions, statements, and computer programs contain
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proprietary information of Nintendo of America Inc. and/or Nintendo
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Company Ltd., and are protected by Federal copyright law. They may
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not be disclosed to third parties or copied or duplicated in any form,
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in whole or in part, without the prior written consent of Nintendo.
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$Date:: $
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$Rev$
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$Author$
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*---------------------------------------------------------------------------*/
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#include <twl.h>
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#include <sysmenu.h>
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#include "internal_api.h"
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// define data-----------------------------------------------------------------
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#define SYSM_PXI_COMM_STAT_REQ 0
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#define SYSM_PXI_COMM_STAT_ACK 1
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// PXIƒRƒ}ƒ“ƒh
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typedef union SYSMPXIPacket {
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struct {
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u16 data;
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u16 command : 14;
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u16 stat : 2;
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};
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u32 raw;
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}SYSMPXIPacket;
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// extern data-----------------------------------------------------------------
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// function's prototype-------------------------------------------------------
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// global variable-------------------------------------------------------------
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// static variable-------------------------------------------------------------
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static volatile BOOL s_sending = FALSE;
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// const data------------------------------------------------------------------
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// PXIƒRƒ}ƒ“ƒh‘—<E28098>M
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BOOL SYSMi_SendPXICommand( SYSMPXICommand command )
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{
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SYSMPXIPacket packet;
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OSIntrMode saved = OS_DisableInterrupts();
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if( s_sending ) {
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OS_RestoreInterrupts( saved );
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return FALSE;
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}
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s_sending = TRUE;
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OS_RestoreInterrupts( saved );
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packet.stat = SYSM_PXI_COMM_STAT_REQ;
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packet.command = (u16)command;
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packet.data = 0;
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while( PXI_SendWordByFifo( SYSMENU_PXI_FIFO_TAG, packet.raw, 0 ) < 0 ) {}
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while( s_sending ) {
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OS_WaitAnyIrq();
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}
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return TRUE;
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}
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void SYSMi_PXIFifoRecvCallback( PXIFifoTag tag, u32 data, BOOL err )
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{
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#pragma unused( tag, err )
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SYSMPXIPacket packet;
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packet.raw = data;
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#if 0
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#ifdef SDK_ARM9
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s_sending = FALSE;
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if( packet.stat == SYSM_PXI_COMM_STAT_ACK ) {
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switch( data ) {
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case SYSM_PXI_COMM_DISABLE_HOTSW:
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SYSMi_GetWork()->flags.arm9.isEnableHotSW = 0;
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break;
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default:
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break;
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}
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}else { // SYSM_PXI_COMM_STAT_REQ
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switch( data ) {
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default:
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break;
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}
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}
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#else // !SDK_ARM9
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if( packet.stat == SYSM_PXI_COMM_STAT_REQ ) {
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switch( data ) {
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case SYSM_PXI_COMM_DISABLE_HOTSW:
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if( SYSMi_GetWork()->flags.arm7.isBusyHotSW ) {
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SYSMi_GetWork()->flags.arm7.disableHotSW_REQ = 1;
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}else {
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SYSMi_GetWork()->flags.arm7.isEnableHotSW = 0;
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// PXI‚Å•Ô<E280A2>M
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}
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break;
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default:
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break;
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}
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}else { // SYSM_PXI_COMM_STAT_ACK
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switch( data ) {
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default:
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break;
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}
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}
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#endif // SDK_ARM9
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#endif
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}
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