Usermode/libc++ - Implement map::insert and map::erase
[tpg/acess2.git] / KernelLand / Modules / USB / Core / usb_lowlevel.c
index 8eab009..27bad3e 100644 (file)
@@ -14,7 +14,7 @@
 #include <events.h>
 
 // === PROTOTYPES ===
-void   *USB_int_Request(tUSBHost *Host, int Addr, int EndPt, int Type, int Req, int Val, int Indx, int Len, void *Data);
+void   *USB_int_Request(tUSBDevice *Dev, int EndPt, int Type, int Req, int Val, int Indx, int Len, void *Data);
 void   USB_int_WakeThread(void *Thread, void *Data, size_t Length);
  int   USB_int_SendSetupSetAddress(tUSBHost *Host, int Address);
  int   USB_int_ReadDescriptor(tUSBDevice *Dev, int Endpoint, int Type, int Index, int Length, void *Dest);
@@ -22,16 +22,28 @@ char        *USB_int_GetDeviceString(tUSBDevice *Dev, int Endpoint, int Index);
  int   _UTF16to8(Uint16 *Input, int InputLen, char *Dest);
 
 // === CODE ===
-void *USB_int_Request(tUSBHost *Host, int Addr, int EndPt, int Type, int Req, int Val, int Indx, int Len, void *Data)
+void *USB_int_Request(tUSBDevice *Device, int EndPt, int Type, int Req, int Val, int Indx, int Len, void *Data)
 {
+       tUSBHost        *Host = Device->Host;
        void    *hdl;
        // TODO: Sanity check (and check that Type is valid)
        struct sDeviceRequest   req;
-        int    dest = Addr * 16 + EndPt;       // TODO: Validate
        tThread *thisthread = Proc_GetCurThread();
+       void *dest_hdl;
+
+       ENTER("pDevice xEndPt iType iReq iVal iIndx iLen pData",
+               Device, EndPt, Type, Req, Val, Indx, Len, Data);
        
-       ENTER("pHost xdest iType iReq iVal iIndx iLen pData",
-               Host, dest, Type, Req, Val, Indx, Len, Data);
+       if( EndPt < 0 || EndPt >= 16 ) {
+               LEAVE('n');
+               return NULL;
+       }
+
+       dest_hdl = Device->EndpointHandles[EndPt];
+       if( !dest_hdl ) {
+               LEAVE('n');
+               return NULL;
+       }
        
        req.ReqType = Type;
        req.Request = Req;
@@ -41,36 +53,22 @@ void *USB_int_Request(tUSBHost *Host, int Addr, int EndPt, int Type, int Req, in
 
        Threads_ClearEvent(THREAD_EVENT_SHORTWAIT);
 
-       LOG("SETUP");   
-       hdl = Host->HostDef->ControlSETUP(Host->Ptr, dest, 0, &req, sizeof(req));
-
-       // TODO: Data toggle?
-       // TODO: Multi-packet transfers
-       if( Len > 0 )
-       {
-               if( Type & 0x80 )
-               {
-                       LOG("IN");
-                       hdl = Host->HostDef->ControlIN(Host->Ptr, dest, 1, NULL, NULL, Data, Len);
-       
-                       LOG("OUT (Status)");
-                       hdl = Host->HostDef->ControlOUT(Host->Ptr, dest, 1, USB_int_WakeThread, thisthread, NULL, 0);
-               }
-               else
-               {
-                       LOG("OUT");
-                       Host->HostDef->ControlOUT(Host->Ptr, dest, 1, NULL, NULL, Data, Len);
-                       
-                       // Status phase (DataToggle=1)
-                       LOG("IN (Status)");
-                       hdl = Host->HostDef->ControlIN(Host->Ptr, dest, 1, USB_int_WakeThread, thisthread, NULL, 0);
-               }
+       LOG("Send");
+       if( Type & 0x80 ) {
+               // Inbound data
+               hdl = Host->HostDef->SendControl(Host->Ptr, dest_hdl, USB_int_WakeThread, thisthread, 0,
+                       &req, sizeof(req),
+                       NULL, 0,
+                       Data, Len
+                       );
        }
-       else
-       {
-               // Zero length, IN status
-               LOG("IN (Status)");
-               hdl = Host->HostDef->ControlIN(Host->Ptr, dest, 1, USB_int_WakeThread, thisthread, NULL, 0);
+       else {
+               // Outbound data
+               hdl = Host->HostDef->SendControl(Host->Ptr, dest_hdl, USB_int_WakeThread, thisthread, 1,
+                       &req, sizeof(req),
+                       Data, Len,
+                       NULL, 0
+                       );
        }
        LOG("Wait...");
        Threads_WaitEvents(THREAD_EVENT_SHORTWAIT);
@@ -86,20 +84,22 @@ void USB_int_WakeThread(void *Thread, void *Data, size_t Length)
 
 int USB_int_SendSetupSetAddress(tUSBHost *Host, int Address)
 {
-       USB_int_Request(Host, 0, 0, 0x00, 5, Address & 0x7F, 0, 0, NULL);
+       USB_int_Request(Host->RootHubDev, 0, 0x00, 5, Address & 0x7F, 0, 0, NULL);
        return 0;
 }
 
 int USB_int_ReadDescriptor(tUSBDevice *Dev, int Endpoint, int Type, int Index, int Length, void *Dest)
 {
-       const int       ciMaxPacketSize = 0x400;
        struct sDeviceRequest   req;
-        int    bToggle = 0;
-       void    *final;
-        int    dest = Dev->Address*16 + Endpoint;
+       void    *dest_hdl;
+       
+       dest_hdl = Dev->EndpointHandles[Endpoint];
+       if( !dest_hdl ) {
+               return -1;
+       }
 
-       ENTER("pDev xdest iType iIndex iLength pDest",
-               Dev, dest, Type, Index, Length, Dest);
+       ENTER("pDev xEndpoint iType iIndex iLength pDest",
+               Dev, Endpoint, Type, Index, Length, Dest);
 
        req.ReqType = 0x80;
        req.ReqType |= ((Type >> 8) & 0x3) << 5;        // Bits 5/6
@@ -110,36 +110,19 @@ int USB_int_ReadDescriptor(tUSBDevice *Dev, int Endpoint, int Type, int Index, i
        req.Index = LittleEndian16( 0 );        // TODO: Language ID / Interface
        req.Length = LittleEndian16( Length );
 
-       LOG("SETUP");   
-       Dev->Host->HostDef->ControlSETUP(Dev->Host->Ptr, dest, 0, &req, sizeof(req));
-       
-       bToggle = 1;
-       while( Length > ciMaxPacketSize )
-       {
-               LOG("IN (%i rem)", Length - ciMaxPacketSize);
-               Dev->Host->HostDef->ControlIN(
-                       Dev->Host->Ptr, dest,
-                       bToggle, NULL, NULL,
-                       Dest, ciMaxPacketSize
-                       );
-               bToggle = !bToggle;
-               Length -= ciMaxPacketSize;
-       }
-
-       LOG("IN (final)");
-       Dev->Host->HostDef->ControlIN( Dev->Host->Ptr, dest, bToggle, NULL, NULL, Dest, Length );
-
        Threads_ClearEvent(THREAD_EVENT_SHORTWAIT);
-       LOG("OUT (Status)");
-       final = Dev->Host->HostDef->ControlOUT(
-               Dev->Host->Ptr, dest, 1,
-               USB_int_WakeThread, Proc_GetCurThread(),
-               NULL, 0
+       
+       LOG("Send");
+       Dev->Host->HostDef->SendControl(Dev->Host->Ptr, dest_hdl, USB_int_WakeThread, Proc_GetCurThread(), 0,
+               &req, sizeof(req),
+               NULL, 0,
+               Dest, Length
                );
 
        LOG("Waiting");
+       // TODO: Detect errors?
        Threads_WaitEvents(THREAD_EVENT_SHORTWAIT);
-
+       
        LEAVE('i', 0);
        return 0;
 }
@@ -152,7 +135,9 @@ char *USB_int_GetDeviceString(tUSBDevice *Dev, int Endpoint, int Index)
 
        if(Index == 0)  return strdup("");
        
+       str.Length = 0;
        USB_int_ReadDescriptor(Dev, Endpoint, 3, Index, sizeof(str), &str);
+       if(str.Length == 0)     return NULL;
        if(str.Length < 2) {
                Log_Error("USB", "String %p:%i:%i:%i descriptor is undersized (%i)",
                        Dev->Host, Dev->Address, Endpoint, Index, str.Length);

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