uint32_t USB_OTG_USBH_handle_hc_n_In_ISR(USB_OTG_CORE_HANDLE *pdev, uint32_t
num)
{
USB_OTG_HCINTn_TypeDef hcint;
USB_OTG_HCGINTMSK_TypeDef hcintmsk;
USB_OTG_HCCHAR_TypeDef hcchar;
USB_OTG_HCTSIZn_TypeDef hctsiz;
USB_OTG_HC_REGS *hcreg;
int ret = 0;
hcreg = pdev->regs.HC_REGS[num];
hcint.d32 = USB_OTG_READ_REG32(&hcreg->HCINT);
hcintmsk.d32 = USB_OTG_READ_REG32(&hcreg->HCGINTMSK);
hcint.d32 = hcint.d32 &hcintmsk.d32;
hcchar.d32 = USB_OTG_READ_REG32(&pdev->regs.HC_REGS[num]->HCCHAR);
hcintmsk.d32 = 0;
if (hcint.b.ahberr)
{
CLEAR_HC_INT(hcreg, ahberr);
UNMASK_HOST_INT_CHH(num);
}
else if (hcint.b.ack)
{
CLEAR_HC_INT(hcreg, ack);
}
else if (hcint.b.stall)
{
UNMASK_HOST_INT_CHH(num);
pdev->host.HC_Status[num] = HC_STALL;
CLEAR_HC_INT(hcreg, nak); /* Clear the NAK Condition */
CLEAR_HC_INT(hcreg, stall); /* Clear the STALL Condition */
hcint.b.nak = 0; /* NOTE: When there is a 'stall', reset also nak,
else, the pdev->host.HC_Status = HC_STALL
will be overwritten by 'nak' in code below */
USB_OTG_HC_Halt(pdev, num);
}
else if (hcint.b.datatglerr)
{
UNMASK_HOST_INT_CHH(num);
USB_OTG_HC_Halt(pdev, num);
CLEAR_HC_INT(hcreg, nak);
pdev->host.HC_Status[num] = HC_DATATGLERR;
CLEAR_HC_INT(hcreg, datatglerr);
}
if (hcint.b.frmovrun)
{
UNMASK_HOST_INT_CHH(num);
USB_OTG_HC_Halt(pdev, num);
CLEAR_HC_INT(hcreg, frmovrun);
}
else if (hcint.b.xfercompl)
{
pdev->host.HC_Status[num] = HC_XFRC;
pdev->host.ErrCnt[num] = 0;
CLEAR_HC_INT(hcreg, xfercompl);
CLEAR_HC_INT(hcreg , nak);
if (hcchar.b.eptype == EP_TYPE_BULK)
{
if (pdev->cfg.dma_enable == 1)
{
hctsiz.d32 = USB_OTG_READ_REG32(&pdev->regs.HC_REGS[num]->HCTSIZ);
pdev->host.XferCnt[num] = pdev->host.hc[num].xfer_len - hctsiz.b.xfersize;
pdev->host.hc[num].packet_count = (pdev->host.XferCnt[num] + 63) / 64;
}
if (pdev->host.hc[num].packet_count & 1)
pdev->host.hc[num].toggle_in ^= 1;
}
else if (hcchar.b.eptype == EP_TYPE_CTRL)
{
pdev->host.hc[num].toggle_in ^= 1;
}
else if (hcchar.b.eptype == EP_TYPE_INTR)
{
hcchar.b.oddfrm = 1;
USB_OTG_WRITE_REG32(&pdev->regs.HC_REGS[num]->HCCHAR, hcchar.d32);
pdev->host.URB_State[num] = URB_DONE;
}
UNMASK_HOST_INT_CHH(num);
USB_OTG_HC_Halt(pdev, num);
}
else if (hcint.b.chhltd)
{
ret = 1;
MASK_HOST_INT_CHH(num);
if (pdev->host.HC_Status[num] == HC_XFRC)
{
pdev->host.URB_State[num] = URB_DONE;
}
else if (pdev->host.HC_Status[num] == HC_STALL)
{
pdev->host.URB_State[num] = URB_STALL;
}
else if ((pdev->host.HC_Status[num] == HC_XACTERR) || (pdev
->host.HC_Status[num] == HC_DATATGLERR))
{
pdev->host.ErrCnt[num] = 0;
pdev->host.URB_State[num] = URB_ERROR;
}else
ret = 0;
/*
else if (pdev->host.HC_Status[num] == HC_NAK)
{
pdev->host.URB_State[num] = URB_NAK;
need_wake_up = 1;
} */
CLEAR_HC_INT(hcreg, chhltd);
}
else if (hcint.b.xacterr)
{
UNMASK_HOST_INT_CHH(num);
pdev->host.ErrCnt[num]++;
pdev->host.HC_Status[num] = HC_XACTERR;
USB_OTG_HC_Halt(pdev, num);
CLEAR_HC_INT(hcreg, xacterr);
}
else if (hcint.b.nak)
{
if (hcchar.b.eptype == EP_TYPE_CTRL)
{
CLEAR_HC_INT(hcreg, nak);
hcchar.b.chen = 1;
hcchar.b.chdis = 0;
USB_OTG_WRITE_REG32(&pdev->regs.HC_REGS[num]->HCCHAR, hcchar.d32);
}
else
{
UNMASK_HOST_INT_CHH(num);
USB_OTG_HC_Halt(pdev, num);
CLEAR_HC_INT(hcreg, nak);
}
pdev->host.HC_Status[num] = HC_NAK;
}
else
{
p_err("unkown in isr:%08x\n", hcint.d32);
}
return ret;
}
/**
* @brief USB_OTG_USBH_handle_hc_n_Out_ISR
* Handles interrupt for a specific Host Channel
* @param pdev: Selected device
* @param hc_num: Channel number
* @retval status
*/
uint32_t USB_OTG_USBH_handle_hc_n_Out_ISR (USB_OTG_CORE_HANDLE *pdev , uint32_t num)
{
USB_OTG_HCINTn_TypeDef hcint;
USB_OTG_HCINTMSK_TypeDef hcintmsk;
USB_OTG_HC_REGS *hcreg;
USB_OTG_HCCHAR_TypeDef hcchar;
hcreg = pdev->regs.HC_REGS[num];
hcint.d32 = USB_OTG_READ_REG32(&hcreg->HCINT);
hcintmsk.d32 = USB_OTG_READ_REG32(&hcreg->HCINTMSK);
hcint.d32 = hcint.d32 & hcintmsk.d32;
hcchar.d32 = USB_OTG_READ_REG32(&pdev->regs.HC_REGS[num]->HCCHAR);
#ifdef USE_HOST_MODE
if (hcint.b.ahberr)
{
CLEAR_HC_INT(hcreg ,ahberr);
UNMASK_HOST_INT_CHH (num);
}
else if (hcint.b.ack)
{
CLEAR_HC_INT(hcreg , ack);
}
else if (hcint.b.frmovrun)
{
UNMASK_HOST_INT_CHH (num);
USB_OTG_HC_Halt(pdev, num);
CLEAR_HC_INT(hcreg ,frmovrun);
}
else if (hcint.b.xfercompl)
{
pdev->host.ErrCnt[num] = 0;
UNMASK_HOST_INT_CHH (num);
USB_OTG_HC_Halt(pdev, num);
CLEAR_HC_INT(hcreg , xfercompl);
pdev->host.HC_Status[num] = HC_XFRC;
}
else if (hcint.b.stall)
{
CLEAR_HC_INT(hcreg , stall);
UNMASK_HOST_INT_CHH (num);
USB_OTG_HC_Halt(pdev, num);
pdev->host.HC_Status[num] = HC_STALL;
}
else if (hcint.b.nak)
{
pdev->host.ErrCnt[num] = 0;
UNMASK_HOST_INT_CHH (num);
USB_OTG_HC_Halt(pdev, num);
CLEAR_HC_INT(hcreg , nak);
pdev->host.HC_Status[num] = HC_NAK;
}
else if (hcint.b.xacterr)
{
UNMASK_HOST_INT_CHH (num);
USB_OTG_HC_Halt(pdev, num);
pdev->host.ErrCnt[num] ++;
pdev->host.HC_Status[num] = HC_XACTERR;
CLEAR_HC_INT(hcreg , xacterr);
}
else if (hcint.b.nyet)
{
pdev->host.ErrCnt[num] = 0;
UNMASK_HOST_INT_CHH (num);
USB_OTG_HC_Halt(pdev, num);
CLEAR_HC_INT(hcreg , nyet);
pdev->host.HC_Status[num] = HC_NYET;
}
else if (hcint.b.datatglerr)
{
UNMASK_HOST_INT_CHH (num);
USB_OTG_HC_Halt(pdev, num);
CLEAR_HC_INT(hcreg , nak);
pdev->host.HC_Status[num] = HC_DATATGLERR;
CLEAR_HC_INT(hcreg , datatglerr);
}
else if (hcint.b.chhltd)
{
MASK_HOST_INT_CHH (num);
if(pdev->host.HC_Status[num] == HC_XFRC)
{
pdev->host.URB_State[num] = URB_DONE;
if (hcchar.b.eptype == EP_TYPE_BULK)
{
pdev->host.hc[num].toggle_out ^= 1;
}
}
else if(pdev->host.HC_Status[num] == HC_NAK)
{
pdev->host.URB_State[num] = URB_NOTREADY;
}
else if(pdev->host.HC_Status[num] == HC_NYET)
{
if(pdev->host.hc[num].do_ping == 1)
{
USB_OTG_HC_DoPing(pdev, num);
}
pdev->host.URB_State[num] = URB_NOTREADY;
}
else if(pdev->host.HC_Status[num] == HC_STALL)
{
pdev->host.URB_State[num] = URB_STALL;
}
else if(pdev->host.HC_Status[num] == HC_XACTERR)
{
if (pdev->host.ErrCnt[num] == 3)
{
pdev->host.URB_State[num] = URB_ERROR;
pdev->host.ErrCnt[num] = 0;
}
}
CLEAR_HC_INT(hcreg , chhltd);
}
#endif
return 1;
}
uint32_t USB_OTG_USBH_handle_hc_n_Out_ISR(USB_OTG_CORE_HANDLE *pdev, uint32_t
num)
{
USB_OTG_HCINTn_TypeDef hcint;
USB_OTG_HCGINTMSK_TypeDef hcintmsk;
USB_OTG_HC_REGS *hcreg;
USB_OTG_HCCHAR_TypeDef hcchar;
int ret = 0;
hcreg = pdev->regs.HC_REGS[num];
hcint.d32 = USB_OTG_READ_REG32(&hcreg->HCINT);
hcintmsk.d32 = USB_OTG_READ_REG32(&hcreg->HCGINTMSK);
hcint.d32 = hcint.d32 &hcintmsk.d32;
hcchar.d32 = USB_OTG_READ_REG32(&hcreg->HCCHAR);
// USB_OTG_WRITE_REG32(&hcreg->HCINT, hcint.d32|0x7f); //clear 0-10bit
if (hcint.b.ahberr)
{
CLEAR_HC_INT(hcreg, ahberr);
UNMASK_HOST_INT_CHH(num);
}
else if (hcint.b.ack)
{
CLEAR_HC_INT(hcreg, ack);
}
else if (hcint.b.xfercompl)
{
pdev->host.ErrCnt[num] = 0;
UNMASK_HOST_INT_CHH(num);
USB_OTG_HC_Halt(pdev, num);
CLEAR_HC_INT(hcreg, xfercompl);
pdev->host.HC_Status[num] = HC_XFRC;
}
else if (hcint.b.stall)
{
CLEAR_HC_INT(hcreg, stall);
UNMASK_HOST_INT_CHH(num);
USB_OTG_HC_Halt(pdev, num);
pdev->host.HC_Status[num] = HC_STALL;
}
else if (hcint.b.nak)
{
pdev->host.ErrCnt[num] = 0;
UNMASK_HOST_INT_CHH(num);
USB_OTG_HC_Halt(pdev, num);
CLEAR_HC_INT(hcreg, nak);
pdev->host.HC_Status[num] = HC_NAK;
}
else if (hcint.b.xacterr)
{
UNMASK_HOST_INT_CHH(num);
USB_OTG_HC_Halt(pdev, num);
pdev->host.ErrCnt[num]++;
pdev->host.HC_Status[num] = HC_XACTERR;
CLEAR_HC_INT(hcreg, xacterr);
}
else if (hcint.b.nyet)
{
pdev->host.ErrCnt[num] = 0;
UNMASK_HOST_INT_CHH(num);
USB_OTG_HC_Halt(pdev, num);
CLEAR_HC_INT(hcreg, nyet);
pdev->host.HC_Status[num] = HC_NYET;
}
else if (hcint.b.datatglerr)
{
UNMASK_HOST_INT_CHH(num);
USB_OTG_HC_Halt(pdev, num);
CLEAR_HC_INT(hcreg, nak);
pdev->host.HC_Status[num] = HC_DATATGLERR;
CLEAR_HC_INT(hcreg, datatglerr);
}
else if (hcint.b.chhltd)
{
MASK_HOST_INT_CHH(num);
ret = 1;
if (pdev->host.HC_Status[num] == HC_XFRC)
{
pdev->host.URB_State[num] = URB_DONE;
if (hcchar.b.eptype == EP_TYPE_BULK)
{
if (pdev->host.hc[num].packet_count & 1)
pdev->host.hc[num].toggle_out ^= 1;
}
}
else if (pdev->host.HC_Status[num] == HC_NAK)
{
pdev->host.URB_State[num] = URB_NOTREADY;
}
else if (pdev->host.HC_Status[num] == HC_NYET)
{
if (pdev->host.hc[num].do_ping == 1)
{
USB_OTG_HC_DoPing(pdev, num);
}
pdev->host.URB_State[num] = URB_NOTREADY;
}
else if (pdev->host.HC_Status[num] == HC_STALL)
{
pdev->host.URB_State[num] = URB_STALL;
}
else if (pdev->host.HC_Status[num] == HC_XACTERR)
{
if (pdev->host.ErrCnt[num] == 3)
{
pdev->host.URB_State[num] = URB_ERROR;
pdev->host.ErrCnt[num] = 0;
}
}else
ret = 0;
CLEAR_HC_INT(hcreg, chhltd);
}
else
{
p_err("unkown out isr:%08x\n", hcint.d32);
}
return ret;
}
/**
* @brief USB_OTG_USBH_handle_hc_n_In_ISR
* Handles interrupt for a specific Host Channel
* @param pdev: Selected device
* @param hc_num: Channel number
* @retval status
*/
uint32_t USB_OTG_USBH_handle_hc_n_In_ISR (USB_OTG_CORE_HANDLE *pdev , uint32_t num)
{
USB_OTG_HCINTn_TypeDef hcint;
USB_OTG_HCINTMSK_TypeDef hcintmsk;
USB_OTG_HCCHAR_TypeDef hcchar;
USB_OTG_HCTSIZn_TypeDef hctsiz;
USB_OTG_HC_REGS *hcreg;
hcreg = pdev->regs.HC_REGS[num];
hcint.d32 = USB_OTG_READ_REG32(&hcreg->HCINT);
hcintmsk.d32 = USB_OTG_READ_REG32(&hcreg->HCINTMSK);
hcint.d32 = hcint.d32 & hcintmsk.d32;
hcchar.d32 = USB_OTG_READ_REG32(&pdev->regs.HC_REGS[num]->HCCHAR);
hcintmsk.d32 = 0;
if (hcint.b.ahberr)
{
CLEAR_HC_INT(hcreg ,ahberr);
UNMASK_HOST_INT_CHH (num);
}
else if (hcint.b.ack)
{
CLEAR_HC_INT(hcreg ,ack);
}
else if (hcint.b.stall)
{
UNMASK_HOST_INT_CHH (num);
pdev->host.HC_Status[num] = HC_STALL;
CLEAR_HC_INT(hcreg , nak); /* Clear the NAK Condition */
CLEAR_HC_INT(hcreg , stall); /* Clear the STALL Condition */
hcint.b.nak = 0; /* NOTE: When there is a 'stall', reset also nak,
else, the pdev->host.HC_Status = HC_STALL
will be overwritten by 'nak' in code below */
USB::USB_OTG_HC_Halt(pdev, num);
}
else if (hcint.b.datatglerr)
{
UNMASK_HOST_INT_CHH (num);
USB::USB_OTG_HC_Halt(pdev, num);
CLEAR_HC_INT(hcreg , nak);
pdev->host.HC_Status[num] = HC_DATATGLERR;
CLEAR_HC_INT(hcreg , datatglerr);
}
if (hcint.b.frmovrun)
{
UNMASK_HOST_INT_CHH (num);
USB::USB_OTG_HC_Halt(pdev, num);
CLEAR_HC_INT(hcreg ,frmovrun);
}
else if (hcint.b.xfercompl)
{
if (pdev->cfg.dma_enable == 1)
{
hctsiz.d32 = USB_OTG_READ_REG32(&pdev->regs.HC_REGS[num]->HCTSIZ);
pdev->host.XferCnt[num] = pdev->host.hc[num].xfer_len - hctsiz.b.xfersize;
}
pdev->host.HC_Status[num] = HC_XFRC;
pdev->host.ErrCnt [num]= 0;
CLEAR_HC_INT(hcreg , xfercompl);
if ((hcchar.b.eptype == EP_TYPE_CTRL)||
(hcchar.b.eptype == EP_TYPE_BULK))
{
UNMASK_HOST_INT_CHH (num);
USB::USB_OTG_HC_Halt(pdev, num);
CLEAR_HC_INT(hcreg , nak);
if(pdev->host.hc[num].isEvenTimesToggle) { // even times packets has been transfered.
pdev->host.hc[num].isEvenTimesToggle = 0;
} else {
// todo: 1. need to check why xfercompl happened when the request packets
// not received completely. (happened only in MSC Mode Sense(6) command.
uint32_t num_packets = (pdev->host.hc[num].xfer_count + pdev->host.hc[num].max_packet - 1) / pdev->host.hc[num].max_packet;
if(num_packets & 0x1)
pdev->host.hc[num].toggle_in ^= 1;
}
}
else if(hcchar.b.eptype == EP_TYPE_INTR)
{
hcchar.b.oddfrm = 1;
USB_OTG_WRITE_REG32(&pdev->regs.HC_REGS[num]->HCCHAR, hcchar.d32);
pdev->host.URB_State[num] = URB_DONE;
pdev->host.hc[num].toggle_in ^= 1;
}
}
else if (hcint.b.chhltd)
{
MASK_HOST_INT_CHH (num);
if(pdev->host.HC_Status[num] == HC_XFRC)
{
pdev->host.URB_State[num] = URB_DONE;
}
else if (pdev->host.HC_Status[num] == HC_STALL)
{
pdev->host.URB_State[num] = URB_STALL;
}
else if((pdev->host.HC_Status[num] == HC_XACTERR) ||
(pdev->host.HC_Status[num] == HC_DATATGLERR))
{
pdev->host.ErrCnt[num] = 0;
pdev->host.URB_State[num] = URB_ERROR;
}
else if (pdev->host.HC_Status[num] == HC_NAK)
{
//if(hcchar.b.eptype == EP_TYPE_INTR)
// pdev->host.hc[num].toggle_in ^= 1;
pdev->host.URB_State[num] = URB_DONE; // for nak case
}
CLEAR_HC_INT(hcreg , chhltd);
}
else if (hcint.b.xacterr)
{
UNMASK_HOST_INT_CHH (num);
pdev->host.ErrCnt[num] ++;
pdev->host.HC_Status[num] = HC_XACTERR;
USB::USB_OTG_HC_Halt(pdev, num);
CLEAR_HC_INT(hcreg , xacterr);
}
else if (hcint.b.nak)
{
pdev->host.hc[num].nak_count++;
if(pdev->host.hc[num].nak_count == pdev->host.hc[num].nak_limit) {
UNMASK_HOST_INT_CHH (num);
USB::USB_OTG_HC_Halt(pdev, num);
} else {
/* just judge nak to decide if halt the channel
if(hcchar.b.eptype == EP_TYPE_INTR)
{
UNMASK_HOST_INT_CHH (num);
USB::USB_OTG_HC_Halt(pdev, num);
}
else if ((hcchar.b.eptype == EP_TYPE_CTRL)||
(hcchar.b.eptype == EP_TYPE_BULK))
{*/
/* re-activate the channel */
hcchar.b.chen = 1;
hcchar.b.chdis = 0;
USB_OTG_WRITE_REG32(&pdev->regs.HC_REGS[num]->HCCHAR, hcchar.d32);
}
pdev->host.HC_Status[num] = HC_NAK;
CLEAR_HC_INT(hcreg , nak);
}
return 1;
}
