Hi Palak, On 5/11/23 17:16, PALAK SHAH wrote: > Hi Minas, > > Can you please respond to this? We need USB Audio Gadget working and we > cannot proceed without Synopsis support on this. > > Thanks, > > Palak > > *From:* PALAK SHAH > *Sent:* Tuesday, May 9, 2023 10:52 AM > *To:* Minas Harutyunyan <Minas.Harutyunyan@xxxxxxxxxxxx>; Maynard > CABIENTE <maynard.cabiente@xxxxxxxxxxx> > *Cc:* linux-usb@xxxxxxxxxxxxxxx > *Subject:* RE: usb: gadget: dwc2: not getting audio data > > Hi Minas, > > I have updated the kernel to 5.10.100. I have done the IP core test and > all the tests (esp. t15 and t16 for ISOC) pass on our system. > > However, I am still seeing the original problem. USB gadget DWC2 driver > is getting stuck and not getting the transfers completed. > > When I am running audio on the host, and trying to capture the data on > EP1(out) end point - > > [ 270.855174] dwc2 ffb40000.usb: dwc2_hsotg_irq: gintsts: 042c8028, > gintsts & gintmsk: 000c0000, gintmsk: (d08c3c44) retry 8 > [ 270.855189] dwc2 ffb40000.usb: dwc2_hsotg_irq: daint=00020002 > [ 270.855205] dwc2 ffb40000.usb: dwc2_hsotg_epint: ep1(out) > DxEPINT=0x00000001 > [ 270.855218] dwc2 ffb40000.usb: dwc2_hsotg_epint: XferCompl: > DxEPCTL=0x800480c8, DXEPTSIZ=11e55680 > [ 270.855238] dwc2 ffb40000.usb: complete: ep 822473bd ep1out, req > 76bf77e8, 0 => 778da9a8 > [ 270.855260] dwc2 ffb40000.usb: ep1out: req 76bf77e8: 200@1c821d4e, > noi=0, zero=0, snok=0 > [ 270.855279] dwc2 ffb40000.usb: dwc2_gadget_fill_isoc_desc: Filling ep > 1, dir out isoc desc # 195 > [ 270.855292] dwc2 ffb40000.usb: > dwc2_gadget_complete_isoc_request_ddma: compl_desc # 193 > > [ 270.856242] dwc2 ffb40000.usb: dwc2_hsotg_irq: gintsts: 04288028, > gintsts & gintmsk: 00080000, gintmsk: (d08c3c44) retry 8 > [ 270.856255] dwc2 ffb40000.usb: dwc2_hsotg_irq: daint=00020000 > [ 270.856268] dwc2 ffb40000.usb: dwc2_hsotg_epint: ep1(out) > DxEPINT=0x00000001 > [ 270.856282] dwc2 ffb40000.usb: dwc2_hsotg_epint: XferCompl: > DxEPCTL=0x800480c8, DXEPTSIZ=11dd5620 > [ 270.856311] dwc2 ffb40000.usb: complete: ep 822473bd ep1out, req > 5af4a660, 0 => 778da9a8 > [ 270.856346] dwc2 ffb40000.usb: ep1out: req 5af4a660: 200@f8820950, > noi=0, zero=0, snok=0 > [ 270.856371] dwc2 ffb40000.usb: dwc2_gadget_fill_isoc_desc: Filling ep > 1, dir out isoc desc # 196 > [ 270.856398] dwc2 ffb40000.usb: > dwc2_gadget_complete_isoc_request_ddma: compl_desc # 194 > > [ 281.700537] dwc2 ffb40000.usb: dwc2_hsotg_irq: daint=00020002 > [ 281.700552] dwc2 ffb40000.usb: dwc2_hsotg_epint: ep1(out) > DxEPINT=0x00000010 > [ 281.700564] dwc2 ffb40000.usb: > dwc2_gadget_handle_out_token_ep_disabled: target_frame = 0x000013d0 > [ 281.700580] dwc2 ffb40000.usb: dwc2_gadget_fill_isoc_desc: Filling ep > 1, dir out isoc desc # 0 > [ 281.700594] dwc2 ffb40000.usb: dwc2_gadget_fill_isoc_desc: Filling ep > 1, dir out isoc desc # 1 > > At 270 seconds, the request #194 was completed and request #196 was > queued. But right after that, there was a 11 second gap and the request > #195 was never completed. > > For some unknown reason, the DWC2 core just stops. There is nothing in > our system that causes it to get stuck. The interrupts are not disabled. > The USB sniffer data shows that the data is coming in. However, dwc2 is > not running. > After the time gap, everything stop working. > > I have attached the log file here. Can you please help me fix this dwc2 > core issue? > > Thanks, > Palak > > Based on your usbtest successful results for ISOCs, both core and dwc2 driver works OK. As I recommended earlier, please try: 1. Depend on which uac(uac1 or uac2) you use, increase UAC1/2_DEF_REQ_NUM 2 to 32 2. Change descriptor DMA (DDMA) mode to buffer DMA (BDMA) mode Thanks, Minas
