KernelLand/Modules/USB/EHCI/ehci.h

   1 /*
   2  * Acess2 EHCI Driver
   3  * - By John Hodge (thePowersGang)
   4  *
   5  * ehci.h
   6  * - ECHI Header
   7  */
   8 #ifndef _EHCI_H_
   9 #define _EHCI_H_
  10
  11 #include <threads.h>
  12
  13 typedef struct sEHCI_Controller tEHCI_Controller;
  14 typedef struct sEHCI_Endpoint   tEHCI_Endpoint;
  15
  16 #define PERIODIC_SIZE   1024
  17
  18 #include "ehci_hw.h"
  19
  20 #define PID_OUT         0
  21 #define PID_IN          1
  22 #define PID_SETUP       2
  23
  24 #define TD_POOL_SIZE    (PAGE_SIZE/sizeof(tEHCI_qTD))
  25 // - 256 addresses * 16 endpoints
  26 #define QH_POOL_SIZE    (256*16)
  27 #define QH_POOL_PAGES   (QH_POOL_SIZE*sizeof(tEHCI_QH)/PAGE_SIZE)
  28 #define QH_POOL_NPERPAGE        (PAGE_SIZE/sizeof(tEHCI_QH))
  29
  30 struct sEHCI_Controller
  31 {
  32         tUSBHub *RootHub;
  33         tThread *InterruptThread;
  34          int    nPorts;
  35
  36         tPAddr  PhysBase;
  37         tEHCI_CapRegs   *CapRegs;
  38         tEHCI_OpRegs    *OpRegs;
  39
  40         tEHCI_qTD       *DeadTD;
  41         tEHCI_QH        *DeadQH;
  42
  43          int    InterruptLoad[PERIODIC_SIZE];
  44
  45         tMutex  lReclaimList;
  46         tEHCI_QH        *ReclaimList;
  47
  48         tMutex  lAsyncSchedule;
  49
  50         tMutex          PeriodicListLock;
  51         Uint32          *PeriodicQueue;
  52         tEHCI_QH        *PeriodicQueueV[PERIODIC_SIZE];
  53
  54         tMutex  QHPoolMutex;
  55         tEHCI_QH        *QHPools[QH_POOL_PAGES];        // [PAGE_SIZE/64]
  56         tMutex  TDPoolMutex;
  57         tEHCI_qTD       *TDPool;        // [TD_POOL_SIZE]
  58 };
  59
  60 struct sEHCI_Endpoint
  61 {
  62         bool    NextToggle;
  63         Uint16  EndpointID;
  64         Sint8   PeriodPow2;
  65         Uint8   InterruptOfs;
  66         size_t  MaxPacketSize;
  67         tEHCI_QH        *ActiveQHs;
  68 };
  69
  70 #endif
  71