Modules/USB - Cleaning up protocol code, working on device API
[tpg/acess2.git] / Modules / USB / Core / usb.c
index f090f63..ca86a2b 100644 (file)
@@ -1,6 +1,9 @@
 /*
  * Acess 2 USB Stack
- * USB Packet Control
+ * - By John Hodge (thePowersGang)
+ *
+ * usb.c
+ * - USB Packet Control
  */
 #define DEBUG  1
 #include <acess.h>
@@ -8,6 +11,7 @@
 #include <drv_pci.h>
 #include "usb.h"
 #include "usb_proto.h"
+#include "usb_lowlevel.h"
 
 // === IMPORTS ===
 extern tUSBHost        *gUSB_Hosts;
@@ -21,11 +25,6 @@ void USB_DeviceDisconnected(tUSBHub *Hub, int Port);
 void   *USB_GetDeviceDataPtr(tUSBInterface *Dev);
 void   USB_SetDeviceDataPtr(tUSBInterface *Dev, void *Ptr);
  int   USB_int_AllocateAddress(tUSBHost *Host);
- int   USB_int_SendSetupSetAddress(tUSBHost *Host, int Address);
- int   USB_int_ReadDescriptor(tUSBDevice *Dev, int Endpoint, int Type, int Index, int Length, void *Dest);
-char   *USB_int_GetDeviceString(tUSBDevice *Dev, int Endpoint, int Index);
-
- int   _UTF16to8(Uint16 *Input, int InputLen, char *Dest);
 
 // === CODE ===
 tUSBHub *USB_RegisterHost(tUSBHostDef *HostDef, void *ControllerPtr, int nPorts)
@@ -233,165 +232,3 @@ void USB_int_DeallocateAddress(tUSBHost *Host, int Address)
        Host->AddressBitmap[Address/8] &= ~(1 << (Address%8));
 }
 
-void *USB_int_Request(tUSBHost *Host, int Addr, int EndPt, int Type, int Req, int Val, int Indx, int Len, void *Data)
-{
-       void    *hdl;
-       // TODO: Sanity check (and check that Type is valid)
-       struct sDeviceRequest   req;
-       req.ReqType = Type;
-       req.Request = Req;
-       req.Value = LittleEndian16( Val );
-       req.Index = LittleEndian16( Indx );
-       req.Length = LittleEndian16( Len );
-       
-       hdl = Host->HostDef->SendSETUP(Host->Ptr, Addr, EndPt, 0, NULL, &req, sizeof(req));
-
-       // TODO: Data toggle?
-       // TODO: Correct sequence? (Some OUT requests need an IN)
-       if( Type & 0x80 )
-       {
-               hdl = Host->HostDef->SendIN(Host->Ptr, Addr, EndPt, 0, NULL, Data, Len);
-               while( Host->HostDef->IsOpComplete(Host->Ptr, hdl) == 0 )
-                       Time_Delay(1);
-       }
-       else
-       {
-               hdl = Host->HostDef->SendOUT(Host->Ptr, Addr, EndPt, 0, NULL, Data, Len);
-       }
-       return hdl;
-}
-
-int USB_int_SendSetupSetAddress(tUSBHost *Host, int Address)
-{
-       void    *hdl;
-       struct sDeviceRequest   req;
-       req.ReqType = 0;        // bmRequestType
-       req.Request = 5;        // SET_ADDRESS
-       // TODO: Endian
-       req.Value = LittleEndian16( Address & 0x7F );   // wValue
-       req.Index = LittleEndian16( 0 );        // wIndex
-       req.Length = LittleEndian16( 0 );       // wLength
-       
-       // Addr 0:0, Data Toggle = 0, no interrupt
-       hdl = Host->HostDef->SendSETUP(Host->Ptr, 0, 0, 0, NULL, &req, sizeof(req));
-       if(!hdl)
-               return 1;
-
-       hdl = Host->HostDef->SendIN(Host->Ptr, 0, 0, 0, NULL, NULL, 0);
-       
-       while( Host->HostDef->IsOpComplete(Host->Ptr, hdl) == 0 )
-               Time_Delay(1);
-       
-       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;
-
-       req.ReqType = 0x80;
-       req.Request = 6;        // GET_DESCRIPTOR
-       req.Value = LittleEndian16( ((Type & 0xFF) << 8) | (Index & 0xFF) );
-       req.Index = LittleEndian16( 0 );        // TODO: Language ID
-       req.Length = LittleEndian16( Length );
-       
-       Dev->Host->HostDef->SendSETUP(
-               Dev->Host->Ptr, Dev->Address, Endpoint,
-               0, NULL,
-               &req, sizeof(req)
-               );
-       
-       bToggle = 1;
-       while( Length > ciMaxPacketSize )
-       {
-               Dev->Host->HostDef->SendIN(
-                       Dev->Host->Ptr, Dev->Address, Endpoint,
-                       bToggle, NULL,
-                       Dest, ciMaxPacketSize
-                       );
-               bToggle = !bToggle;
-               Length -= ciMaxPacketSize;
-       }
-
-       final = Dev->Host->HostDef->SendIN(
-               Dev->Host->Ptr, Dev->Address, Endpoint,
-               bToggle, INVLPTR,
-               Dest, Length
-               );
-
-       while( Dev->Host->HostDef->IsOpComplete(Dev->Host->Ptr, final) == 0 )
-               Time_Delay(1);
-
-       return 0;
-}
-
-char *USB_int_GetDeviceString(tUSBDevice *Dev, int Endpoint, int Index)
-{
-       struct sDescriptor_String       str;
-        int    src_len, new_len;
-       char    *ret;
-       
-       USB_int_ReadDescriptor(Dev, Endpoint, 3, Index, sizeof(str), &str);
-//     if(str.Length > sizeof(str)) {
-//             // IMPOSSIBLE!
-//             Log_Error("USB", "String is %i bytes, which is over prealloc size (%i)",
-//                     str.Length, sizeof(str)
-//                     );
-//     }
-       src_len = (str.Length - 2) / sizeof(str.Data[0]);
-
-       new_len = _UTF16to8(str.Data, src_len, NULL);   
-       ret = malloc( new_len + 1 );
-       _UTF16to8(str.Data, src_len, ret);
-       ret[new_len] = 0;
-       return ret;
-}
-
-int _UTF16to8(Uint16 *Input, int InputLen, char *Dest)
-{
-        int    str_len, cp_len;
-       Uint32  saved_bits = 0;
-       str_len = 0;
-       for( int i = 0; i < InputLen; i ++)
-       {
-               Uint32  cp;
-               Uint16  val = Input[i];
-               if( val >= 0xD800 && val <= 0xDBFF )
-               {
-                       // Multibyte - Leading
-                       if(i + 1 > InputLen) {
-                               cp = '?';
-                       }
-                       else {
-                               saved_bits = (val - 0xD800) << 10;
-                               saved_bits += 0x10000;
-                               continue ;
-                       }
-               }
-               else if( val >= 0xDC00 && val <= 0xDFFF )
-               {
-                       if( !saved_bits ) {
-                               cp = '?';
-                       }
-                       else {
-                               saved_bits |= (val - 0xDC00);
-                               cp = saved_bits;
-                       }
-               }
-               else
-                       cp = val;
-
-               cp_len = WriteUTF8((Uint8*)Dest, cp);
-               if(Dest)
-                       Dest += cp_len;
-               str_len += cp_len;
-
-               saved_bits = 0;
-       }
-       
-       return str_len;
-}
-

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