X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=KernelLand%2FModules%2FUSB%2FCore%2Fusb_lowlevel.c;h=8eab0098c2959d6170a037702a6c1a7f3e177739;hb=849329d50395b44ac97c5b5145fc2df0749eace2;hp=d8e1485af630e819fe2a9a55febc31b6d58b51bd;hpb=5820336c4ed8897316d3d2cbd2c0f1b6f204f9a8;p=tpg%2Facess2.git

diff --git a/KernelLand/Modules/USB/Core/usb_lowlevel.c b/KernelLand/Modules/USB/Core/usb_lowlevel.c
index d8e1485a..8eab0098 100644
--- a/KernelLand/Modules/USB/Core/usb_lowlevel.c
+++ b/KernelLand/Modules/USB/Core/usb_lowlevel.c
@@ -5,15 +5,17 @@
  * usb_lowlevel.c
  * - Low Level IO
  */
-#define DEBUG	1
+#define DEBUG	0
 #include <acess.h>
 #include "usb.h"
 #include "usb_proto.h"
 #include "usb_lowlevel.h"
 #include <timers.h>
+#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_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);
 char	*USB_int_GetDeviceString(tUSBDevice *Dev, int Endpoint, int Index);
@@ -25,43 +27,63 @@ void *USB_int_Request(tUSBHost *Host, int Addr, int EndPt, int Type, int Req, in
 	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();
+	
+	ENTER("pHost xdest iType iReq iVal iIndx iLen pData",
+		Host, dest, Type, Req, Val, Indx, Len, Data);
+	
 	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, NULL, &req, sizeof(req));
+
+	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( Type & 0x80 )
+	if( Len > 0 )
 	{
-		void	*hdl2;
-		
-		hdl = Host->HostDef->SendIN(Host->Ptr, Addr, EndPt, 0, NULL, NULL, Data, Len);
-
-		hdl2 = Host->HostDef->SendOUT(Host->Ptr, Addr, EndPt, 0, NULL, NULL, NULL, 0);
-		while( Host->HostDef->IsOpComplete(Host->Ptr, hdl2) == 0 )
-			Time_Delay(1);
+		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);
+		}
 	}
 	else
 	{
-		void	*hdl2;
-		
-		if( Len > 0 )
-			hdl = Host->HostDef->SendOUT(Host->Ptr, Addr, EndPt, 0, NULL, NULL, Data, Len);
-		else
-			hdl = NULL;
-		
-		// Status phase (DataToggle=1)
-		hdl2 = Host->HostDef->SendIN(Host->Ptr, Addr, EndPt, 1, NULL, NULL, NULL, 0);
-		while( Host->HostDef->IsOpComplete(Host->Ptr, hdl2) == 0 )
-			Time_Delay(1);
+		// Zero length, IN status
+		LOG("IN (Status)");
+		hdl = Host->HostDef->ControlIN(Host->Ptr, dest, 1, USB_int_WakeThread, thisthread, NULL, 0);
 	}
+	LOG("Wait...");
+	Threads_WaitEvents(THREAD_EVENT_SHORTWAIT);
+
+	LEAVE('p', hdl);
 	return hdl;
 }
 
+void USB_int_WakeThread(void *Thread, void *Data, size_t Length)
+{
+	Threads_PostEvent(Thread, THREAD_EVENT_SHORTWAIT);
+}
+
 int USB_int_SendSetupSetAddress(tUSBHost *Host, int Address)
 {
 	USB_int_Request(Host, 0, 0, 0x00, 5, Address & 0x7F, 0, 0, NULL);
@@ -74,31 +96,29 @@ int USB_int_ReadDescriptor(tUSBDevice *Dev, int Endpoint, int Type, int Index, i
 	struct sDeviceRequest	req;
 	 int	bToggle = 0;
 	void	*final;
+	 int	dest = Dev->Address*16 + Endpoint;
+
+	ENTER("pDev xdest iType iIndex iLength pDest",
+		Dev, dest, Type, Index, Length, Dest);
 
 	req.ReqType = 0x80;
-	switch( Type & 0xF00 )
-	{
-	case 0x000:	req.ReqType |= (0 << 5);	break;	// Standard
-	case 0x100:	req.ReqType |= (1 << 5);	break;	// Class
-	case 0x200:	req.ReqType |= (2 << 5);	break;	// Vendor
-	}
+	req.ReqType |= ((Type >> 8) & 0x3) << 5;	// Bits 5/6
+	req.ReqType |= (Type >> 12) & 3;	// Destination (Device, Interface, Endpoint, Other);
 
 	req.Request = 6;	// GET_DESCRIPTOR
 	req.Value = LittleEndian16( ((Type & 0xFF) << 8) | (Index & 0xFF) );
-	req.Index = LittleEndian16( 0 );	// TODO: Language ID
+	req.Index = LittleEndian16( 0 );	// TODO: Language ID / Interface
 	req.Length = LittleEndian16( Length );
-	
-	Dev->Host->HostDef->SendSETUP(
-		Dev->Host->Ptr, Dev->Address, Endpoint,
-		0, NULL, NULL,
-		&req, sizeof(req)
-		);
+
+	LOG("SETUP");	
+	Dev->Host->HostDef->ControlSETUP(Dev->Host->Ptr, dest, 0, &req, sizeof(req));
 	
 	bToggle = 1;
 	while( Length > ciMaxPacketSize )
 	{
-		Dev->Host->HostDef->SendIN(
-			Dev->Host->Ptr, Dev->Address, Endpoint,
+		LOG("IN (%i rem)", Length - ciMaxPacketSize);
+		Dev->Host->HostDef->ControlIN(
+			Dev->Host->Ptr, dest,
 			bToggle, NULL, NULL,
 			Dest, ciMaxPacketSize
 			);
@@ -106,15 +126,21 @@ int USB_int_ReadDescriptor(tUSBDevice *Dev, int Endpoint, int Type, int Index, i
 		Length -= ciMaxPacketSize;
 	}
 
-	final = Dev->Host->HostDef->SendIN(
-		Dev->Host->Ptr, Dev->Address, Endpoint,
-		bToggle, INVLPTR, NULL,
-		Dest, Length
+	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
 		);
 
-	while( Dev->Host->HostDef->IsOpComplete(Dev->Host->Ptr, final) == 0 )
-		Threads_Yield();
+	LOG("Waiting");
+	Threads_WaitEvents(THREAD_EVENT_SHORTWAIT);
 
+	LEAVE('i', 0);
 	return 0;
 }