Modules - Added DEPS variable for inter-module includes

[tpg/acess2.git] / Modules / Storage / ATA / io.c

diff --git a/Modules/Storage/ATA/io.c b/Modules/Storage/ATA/io.c
index 368c310..128fdca 100644 (file)
--- a/Modules/Storage/ATA/io.c
+++ b/Modules/Storage/ATA/io.c
@@ -79,8 +79,8 @@ Uint16        ATA_GetBasePort(int Disk);
  int   ATA_ReadDMA(Uint8 Disk, Uint64 Address, Uint Count, void *Buffer);
  int   ATA_WriteDMA(Uint8 Disk, Uint64 Address, Uint Count, const void *Buffer);
 // IRQs
-void   ATA_IRQHandlerPri(int UNUSED(IRQ));
-void   ATA_IRQHandlerSec(int UNUSED(IRQ));
+void   ATA_IRQHandlerPri(int UNUSED(IRQ), void *UNUSED(Ptr));
+void   ATA_IRQHandlerSec(int UNUSED(IRQ), void *UNUSED(Ptr));
 // Controller IO
 Uint8  ATA_int_BusMasterReadByte(int Ofs);
 Uint32 ATA_int_BusMasterReadDWord(int Ofs);
@@ -141,12 +141,12 @@ int ATA_SetupIO(void)
        }
        else {
                // Bit 0 is left set as a flag to other functions
-               LOG("gATA_BusMasterBase = 0x%x", gATA_BusMasterBase & ~1);
+               LOG("gATA_BusMasterBase = IO 0x%x", gATA_BusMasterBase & ~1);
        }
 
        // Register IRQs and get Buffers
-       IRQ_AddHandler( gATA_IRQPri, ATA_IRQHandlerPri );
-       IRQ_AddHandler( gATA_IRQSec, ATA_IRQHandlerSec );
+       IRQ_AddHandler( gATA_IRQPri, ATA_IRQHandlerPri, NULL );
+       IRQ_AddHandler( gATA_IRQSec, ATA_IRQHandlerSec, NULL );
 
        gATA_PRDTs[0].PBufAddr = MM_GetPhysAddr( (tVAddr)&gATA_Buffers[0] );
        gATA_PRDTs[1].PBufAddr = MM_GetPhysAddr( (tVAddr)&gATA_Buffers[1] );
@@ -164,6 +164,8 @@ int ATA_SetupIO(void)
        // Enable controllers
        outb(IDE_PRI_BASE+1, 1);
        outb(IDE_SEC_BASE+1, 1);
+       outb(IDE_PRI_CTRL, 0);
+       outb(IDE_SEC_CTRL, 0);
        
        // Make sure interrupts are ACKed
        ATA_int_BusMasterWriteByte(2, 0x4);
@@ -314,14 +316,14 @@ int ATA_ReadDMA(Uint8 Disk, Uint64 Address, Uint Count, void *Buffer)
 
        #if 1
        if( cont == 0 ) {
-               outb(base+IDE_PRI_CTRL, 4);
+               outb(IDE_PRI_CTRL, 4);
                IO_DELAY();
-               outb(base+IDE_PRI_CTRL, 0);
+               outb(IDE_PRI_CTRL, 0);
        }
        else {
-               outb(base+IDE_SEC_CTRL, 4);
+               outb(IDE_SEC_CTRL, 4);
                IO_DELAY();
-               outb(base+IDE_SEC_CTRL, 0);
+               outb(IDE_SEC_CTRL, 0);
        }
        #endif
 
@@ -353,7 +355,8 @@ int ATA_ReadDMA(Uint8 Disk, Uint64 Address, Uint Count, void *Buffer)
        
        // HACK: Ensure the PRDT is reset
        ATA_int_BusMasterWriteDWord(cont*8+4, gaATA_PRDT_PAddrs[cont]);
-               
+       ATA_int_BusMasterWriteByte(cont*8, 4);  // Reset IRQ
+       
        LOG("gATA_PRDTs[%i].Bytes = %i", cont, gATA_PRDTs[cont].Bytes);
        if( Address > 0x0FFFFFFF )
                outb(base+0x07, HDD_DMA_R48);   // Read Command (LBA48)
@@ -377,8 +380,17 @@ int ATA_ReadDMA(Uint8 Disk, Uint64 Address, Uint Count, void *Buffer)
        LOG("Status byte = 0x%02x, Controller Status = 0x%02x",
                val, ATA_int_BusMasterReadByte(cont * 8 + 2));
 
-       if( gaATA_IRQs[cont] == 0 ) {
-               
+       if( gaATA_IRQs[cont] == 0 )
+       {
+               if( ATA_int_BusMasterReadByte(cont * 8 + 2) & 0x4 ) {
+                       Log_Error("ATA", "BM Status reports an interrupt, but none recieved");
+                       ATA_int_BusMasterWriteByte(cont*8 + 2, 4);      // Clear interrupt
+                       memcpy( Buffer, gATA_Buffers[cont], Count*SECTOR_SIZE );
+                       Mutex_Release( &glaATA_ControllerLock[ cont ] );
+                       LEAVE('i', 0);
+                       return 0;
+               }
+
                #if 1
                Debug_HexDump("ATA", Buffer, 512);
                #endif
@@ -491,7 +503,7 @@ int ATA_WriteDMA(Uint8 Disk, Uint64 Address, Uint Count, const void *Buffer)
 /**
  * \brief Primary ATA Channel IRQ handler
  */
-void ATA_IRQHandlerPri(int UNUSED(IRQ))
+void ATA_IRQHandlerPri(int UNUSED(IRQ), void *UNUSED(Ptr))
 {
        Uint8   val;
 
@@ -509,7 +521,7 @@ void ATA_IRQHandlerPri(int UNUSED(IRQ))
 /**
  * \brief Second ATA Channel IRQ handler
  */
-void ATA_IRQHandlerSec(int UNUSED(IRQ))
+void ATA_IRQHandlerSec(int UNUSED(IRQ), void *UNUSED(Ptr))
 {
        Uint8   val;
        // IRQ bit set for Secondary Controller