3 * - By John Hodge (thePowersGang)
12 #include "usb_lowlevel.h"
13 #include <workqueue.h>
15 #include "usb_async.h"
18 void USB_ReadDescriptor(tUSBInterface *Iface, int Type, int Index, int Length, void *Data);
19 void USB_Request(tUSBInterface *Iface, int Endpoint, int Type, int Req, int Value, int Index, int Len, void *Data);
20 void USB_SendData(tUSBInterface *Dev, int Endpoint, size_t Length, const void *Data);
21 void USB_WakeCallback(void *Ptr, void *Buf, size_t Length);
22 void USB_AsyncCallback(void *Ptr, void *Buf, size_t Length);
23 void USB_AsyncThread(void *unused);
26 tWorkqueue gUSB_AsyncQueue;
29 void USB_ReadDescriptor(tUSBInterface *Iface, int Type, int Index, int Length, void *Data)
31 USB_int_ReadDescriptor(Iface->Dev, 0, Type, Index, Length, Data);
34 void USB_Request(tUSBInterface *Iface, int Endpoint, int Type, int Req, int Value, int Index, int Len, void *Data)
39 if(Endpoint < 0 || Endpoint >= Iface->nEndpoints)
42 // Get endpoint number
44 endpt = Iface->Endpoints[Endpoint-1].EndpointNum;
48 USB_int_Request(Iface->Dev->Host, Iface->Dev->Address, endpt, Type, Req, Value, Index, Len, Data);
52 void USB_SendData(tUSBInterface *Dev, int Endpoint, size_t Length, const void *Data)
56 void *dest_hdl = (void*)(Dev->Dev->Address*16 + Dev->Endpoints[Endpoint-1].EndpointNum + 1);
57 ENTER("pDev iEndpoint iLength pData", Dev, Endpoint, Length, Data);
59 ep = &Dev->Endpoints[Endpoint-1];
60 host = Dev->Dev->Host;
62 Threads_ClearEvent(THREAD_EVENT_SHORTWAIT);
63 host->HostDef->SendBulk(host->Ptr, dest_hdl, USB_WakeCallback, Proc_GetCurThread(), 1, (void*)Data, Length);
64 Threads_WaitEvents(THREAD_EVENT_SHORTWAIT);
69 void USB_RecvData(tUSBInterface *Dev, int Endpoint, size_t Length, void *Data)
73 void *dest_hdl = (void*)(Dev->Dev->Address*16 + Dev->Endpoints[Endpoint-1].EndpointNum + 1);
74 ENTER("pDev iEndpoint iLength pData", Dev, Endpoint, Length, Data);
76 ep = &Dev->Endpoints[Endpoint-1];
77 host = Dev->Dev->Host;
79 Threads_ClearEvent(THREAD_EVENT_SHORTWAIT);
80 host->HostDef->SendBulk(host->Ptr, dest_hdl, USB_WakeCallback, Proc_GetCurThread(), 0, Data, Length);
81 Threads_WaitEvents(THREAD_EVENT_SHORTWAIT);
86 void USB_RecvDataA(tUSBInterface *Dev, int Endpoint, size_t Length, void *DataBuf, tUSB_DataCallback Callback)
90 void *dest_hdl = (void*)(Dev->Dev->Address*16 + Dev->Endpoints[Endpoint-1].EndpointNum + 1);
92 ENTER("pDev iEndpoint iLength pDataBuf", Dev, Endpoint, Length, DataBuf);
94 op = malloc(sizeof(*op));
96 op->Endpt = &Dev->Endpoints[Endpoint-1];
100 // TODO: Handle transfers that are larger than one packet
103 host = Dev->Dev->Host;
105 LOG("IN from %p %i:%i", host->Ptr, Dev->Dev->Address, op->Endpt->EndpointNum);
106 host->HostDef->SendBulk(host->Ptr, dest_hdl, USB_AsyncCallback, op, 0, DataBuf, Length);
110 // Log_Warning("USB", "TODO: Implement USB_RecvDataA");
113 void USB_WakeCallback(void *Ptr, void *Buf, size_t Length)
115 Threads_PostEvent(Ptr, THREAD_EVENT_SHORTWAIT);
118 void USB_AsyncCallback(void *Ptr, void *Buf, size_t Length)
122 LOG("adding %p to work queue", op);
123 Workqueue_AddWork(&gUSB_AsyncQueue, op);
126 void USB_AsyncThread(void *Unused)
128 Threads_SetName("USB Async IO Thread");
131 tAsyncOp *op = Workqueue_GetWork(&gUSB_AsyncQueue);
132 tUSBInterface *iface = op->Endpt->Interface;
136 iface->Driver->Endpoints[op->Endpt->EndpointIdx].DataAvail(
137 iface, op->Endpt->EndpointIdx,
138 op->Length, op->Data);