Modules/FAT - Replaced literal -1 for EOC with GETFATVALUE_EOC
[tpg/acess2.git] / KernelLand / Modules / USB / EHCI / ehci.h
index 431b039..f76b93b 100644 (file)
@@ -8,6 +8,16 @@
 #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;
+typedef struct sEHCI_siTD      tEHCI_siTD;
+typedef struct sEHCI_qTD       tEHCI_qTD;
+typedef struct sEHCI_QH        tEHCI_QH;
+typedef struct sEHCI_Controller        tEHCI_Controller;
+
 struct sEHCI_CapRegs
 {
        Uint8   CapLength;      // Byte offset of Operational registers
@@ -152,5 +162,98 @@ struct sEHCI_OpRegs
        Uint32  PortSC[15];
 };
 
+#define USBCMD_Run     0x0001
+#define USBCMD_HCReset 0x0002
+#define USBCMD_PeriodicEnable  0x0010
+#define USBCMD_AsyncEnable     0x0020
+
+#define USBINTR_IOC    0x0001
+#define USBINTR_Error  0x0002
+#define USBINTR_PortChange     0x0004
+#define USBINTR_FrameRollover  0x0008
+#define USBINTR_HostSystemError        0x0010
+#define USBINTR_AsyncAdvance   0x0020
+
+// Isochronous (High-Speed) Transfer Descriptor
+struct sEHCI_iTD
+{
+       Uint32  Link;
+       struct {
+               Uint16  Offset;
+               Uint16  LengthSts;
+       } Transactions[8];
+       // -- 0 --
+       // 0:6  - Device
+       // 7    - Reserved
+       // 8:11 - Endpoint
+       // -- 1 --
+       // 0:10 - Max packet size
+       // 11   - IN/OUT
+       Uint32  BufferPointers[8];      // Page aligned, low 12 bits are overloaded
+};
+
+// Split Transaction Isochronous Transfer Descriptor
+struct sEHCI_siTD
+{
+       Uint32  Link;
+       Uint32  Dest;
+       Uint32  uFrame;
+       Uint32  StatusLength;
+       Uint32  Page0;
+       Uint32  Page1;
+       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
+       Uint32  Endpoint;
+       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
+{
+       tPAddr  PhysBase;
+       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
 

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