Modules/FAT - Replaced literal -1 for EOC with GETFATVALUE_EOC

[tpg/acess2.git] / KernelLand / Modules / USB / EHCI / ehci.h

diff --git a/KernelLand/Modules/USB/EHCI/ehci.h b/KernelLand/Modules/USB/EHCI/ehci.h
index 120c2f4..f76b93b 100644 (file)
--- a/KernelLand/Modules/USB/EHCI/ehci.h
+++ b/KernelLand/Modules/USB/EHCI/ehci.h
@@ -8,6 +8,8 @@
 #ifndef _EHCI_H_
 #define _EHCI_H_
 
+#define PERIODIC_SIZE  1024
+
 typedef struct sEHCI_CapRegs   tEHCI_CapRegs;
 typedef struct sEHCI_OpRegs    tEHCI_OpRegs;
 typedef struct sEHCI_iTD       tEHCI_iTD;
@@ -172,6 +174,7 @@ struct sEHCI_OpRegs
 #define USBINTR_HostSystemError        0x0010
 #define USBINTR_AsyncAdvance   0x0020
 
+// Isochronous (High-Speed) Transfer Descriptor
 struct sEHCI_iTD
 {
        Uint32  Link;
@@ -189,6 +192,7 @@ struct sEHCI_iTD
        Uint32  BufferPointers[8];      // Page aligned, low 12 bits are overloaded
 };
 
+// Split Transaction Isochronous Transfer Descriptor
 struct sEHCI_siTD
 {
        Uint32  Link;
@@ -200,14 +204,22 @@ struct sEHCI_siTD
        Uint32  BackLink;
 };
 
+// Queue Element Transfer Descriptor
 struct sEHCI_qTD
 {
        Uint32  Link;
        Uint32  Link2;  // Used when there's a short packet
        Uint32  Token;
        Uint32  Pages[5];       //First has offset in low 12 bits
-};
+       
+       // Internals (32 bytes = 4x 64-bit pointers)
+       tUSBHostCb      *Callback;
+       void    *CallbackData;
+       tEHCI_qTD       *Next;
+} __attribute__((aligned(32)));
+// sizeof = 64
 
+// Queue Head
 struct sEHCI_QH
 {
        Uint32  HLink;  // Horizontal link
@@ -215,7 +227,17 @@ struct sEHCI_QH
        Uint32  EndpointExt;
        Uint32  CurrentTD;
        tEHCI_qTD       Overlay;
-};
+       struct {
+               Uint8   IntOfs;
+               Uint8   IntPeriodPow;
+               tEHCI_QH        *Next;
+       } Impl;
+} __attribute__((aligned(32)));
+// sizeof = 48 (64)
+
+#define PID_OUT        0
+#define PID_IN         1
+#define PID_SETUP      2
 
 struct sEHCI_Controller
 {
@@ -223,7 +245,14 @@ struct sEHCI_Controller
        tEHCI_CapRegs   *CapRegs;
        tEHCI_OpRegs    *OpRegs;
 
+        int    InterruptLoad[PERIODIC_SIZE];
+       tEHCI_QH        *LastAsyncHead;
+       
        Uint32  *PeriodicQueue;
+       tEHCI_QH PeriodicQueueV[PERIODIC_SIZE];
+       
+       tEHCI_QH        *QHPools[(256*16)*sizeof(tEHCI_QH)/PAGE_SIZE];  // [PAGE_SIZE/64]
+       tEHCI_qTD       *TDPool[PAGE_SIZE/sizeof(tEHCI_qTD)];
 };
 
 #endif