예제 #1
0
void SdioLocalCmd52Write4Byte(PADAPTER padapter, u32 addr, u32 v)
{
	struct intf_hdl * pintfhdl=&padapter->iopriv.intf;
	HalSdioGetCmdAddr8723BSdio(padapter, SDIO_LOCAL_DEVICE_ID, addr, &addr);
	v = cpu_to_le32(v);
	sd_cmd52_write(pintfhdl, addr, 4, (u8*)&v);
}
예제 #2
0
파일: sdio_ops.c 프로젝트: Lyude/linux
/*
 * Todo: align address to 4 bytes.
 */
static s32 _sdio_local_read(
	struct adapter *adapter,
	u32 addr,
	u32 cnt,
	u8 *buf
)
{
	struct intf_hdl *intfhdl;
	u8 mac_pwr_ctrl_on;
	s32 err;
	u8 *tmpbuf;
	u32 n;


	intfhdl = &adapter->iopriv.intf;

	HalSdioGetCmdAddr8723BSdio(adapter, SDIO_LOCAL_DEVICE_ID, addr, &addr);

	rtw_hal_get_hwreg(adapter, HW_VAR_APFM_ON_MAC, &mac_pwr_ctrl_on);
	if (!mac_pwr_ctrl_on)
		return _sd_cmd52_read(intfhdl, addr, cnt, buf);

	n = RND4(cnt);
	tmpbuf = rtw_malloc(n);
	if (!tmpbuf)
		return (-1);

	err = _sd_read(intfhdl, addr, n, tmpbuf);
	if (!err)
		memcpy(buf, tmpbuf, cnt);

	kfree(tmpbuf);

	return err;
}
예제 #3
0
파일: sdio_ops.c 프로젝트: Lyude/linux
void SdioLocalCmd52Write1Byte(struct adapter *adapter, u32 addr, u8 v)
{
	struct intf_hdl *intfhdl = &adapter->iopriv.intf;

	HalSdioGetCmdAddr8723BSdio(adapter, SDIO_LOCAL_DEVICE_ID, addr, &addr);
	sd_cmd52_write(intfhdl, addr, 1, &v);
}
예제 #4
0
파일: sdio_ops.c 프로젝트: Lyude/linux
static void SdioLocalCmd52Write4Byte(struct adapter *adapter, u32 addr, u32 v)
{
	struct intf_hdl *intfhdl = &adapter->iopriv.intf;
	__le32 le_tmp;

	HalSdioGetCmdAddr8723BSdio(adapter, SDIO_LOCAL_DEVICE_ID, addr, &addr);
	le_tmp = cpu_to_le32(v);
	sd_cmd52_write(intfhdl, addr, 4, (u8 *)&le_tmp);
}
예제 #5
0
파일: sdio_ops.c 프로젝트: Lyude/linux
static u16 SdioLocalCmd52Read2Byte(struct adapter *adapter, u32 addr)
{
	__le16 val = 0;
	struct intf_hdl *intfhdl = &adapter->iopriv.intf;

	HalSdioGetCmdAddr8723BSdio(adapter, SDIO_LOCAL_DEVICE_ID, addr, &addr);
	sd_cmd52_read(intfhdl, addr, 2, (u8 *)&val);

	return le16_to_cpu(val);
}
예제 #6
0
파일: sdio_ops.c 프로젝트: Lyude/linux
u8 SdioLocalCmd52Read1Byte(struct adapter *adapter, u32 addr)
{
	u8 val = 0;
	struct intf_hdl *intfhdl = &adapter->iopriv.intf;

	HalSdioGetCmdAddr8723BSdio(adapter, SDIO_LOCAL_DEVICE_ID, addr, &addr);
	sd_cmd52_read(intfhdl, addr, 1, &val);

	return val;
}
예제 #7
0
/*
 * Description:
 *	Read from RX FIFO
 *	Round read size to block size,
 *	and make sure data transfer will be done in one command.
 *
 * Parameters:
 *	pintfhdl	a pointer of intf_hdl
 *	addr		port ID
 *	cnt			size to read
 *	rmem		address to put data
 *
 * Return:
 *	_SUCCESS(1)		Success
 *	_FAIL(0)		Fail
 */
static u32 sdio_read_port(
	struct intf_hdl *pintfhdl,
	u32 addr,
	u32 cnt,
	u8 *mem)
{
	PADAPTER padapter;
	PSDIO_DATA psdio;
	PHAL_DATA_TYPE phal;
	u32 oldcnt;
#ifdef SDIO_DYNAMIC_ALLOC_MEM
	u8 *oldmem;
#endif
	s32 err;


	padapter = pintfhdl->padapter;
	psdio = &adapter_to_dvobj(padapter)->intf_data;
	phal = GET_HAL_DATA(padapter);

	HalSdioGetCmdAddr8723BSdio(padapter, addr, phal->SdioRxFIFOCnt++, &addr);

	oldcnt = cnt;
	if (cnt > psdio->block_transfer_len)
		cnt = _RND(cnt, psdio->block_transfer_len);
//	cnt = sdio_align_size(cnt);

	if (oldcnt != cnt) {
#ifdef SDIO_DYNAMIC_ALLOC_MEM
		oldmem = mem;
		mem = rtw_malloc(cnt);
		if (mem == NULL) {
			DBG_8192C(KERN_WARNING "%s: allocate memory %d bytes fail!\n", __func__, cnt);
			mem = oldmem;
			oldmem == NULL;
		}
#else
		// in this case, caller should gurante the buffer is big enough
		// to receive data after alignment
#endif
	}

	err = _sd_read(pintfhdl, addr, cnt, mem);

#ifdef SDIO_DYNAMIC_ALLOC_MEM
	if ((oldcnt != cnt) && (oldmem)) {
		_rtw_memcpy(oldmem, mem, oldcnt);
		rtw_mfree(mem, cnt);
	}
#endif

	if (err) return _FAIL;
	return _SUCCESS;
}
예제 #8
0
u32 SdioLocalCmd52Read4Byte(PADAPTER padapter, u32 addr)
{	
	u32 val = 0;
	struct intf_hdl * pintfhdl=&padapter->iopriv.intf;

	HalSdioGetCmdAddr8723BSdio(padapter, SDIO_LOCAL_DEVICE_ID, addr, &addr);
	sd_cmd52_read(pintfhdl, addr, 4, (u8*)&val);

	val = le32_to_cpu(val);

	return val;
}
예제 #9
0
/*
 * Todo: align address to 4 bytes.
 */
s32 sdio_local_write(
	PADAPTER	padapter,
	u32		addr,
	u32		cnt,
	u8		*pbuf)
{
	struct intf_hdl * pintfhdl;
	u8 bMacPwrCtrlOn;
	s32 err;
	u8 *ptmpbuf;

	if(addr & 0x3)
		DBG_8192C("%s, address must be 4 bytes alignment\n", __FUNCTION__);

	if(cnt  & 0x3)
		DBG_8192C("%s, size must be the multiple of 4 \n", __FUNCTION__);

	pintfhdl=&padapter->iopriv.intf;

	HalSdioGetCmdAddr8723BSdio(padapter, SDIO_LOCAL_DEVICE_ID, addr, &addr);

	rtw_hal_get_hwreg(padapter, HW_VAR_APFM_ON_MAC, &bMacPwrCtrlOn);
	if ((_FALSE == bMacPwrCtrlOn)
#ifdef CONFIG_LPS_LCLK
		|| (_TRUE == adapter_to_pwrctl(padapter)->bFwCurrentInPSMode)
#endif
		)
	{
		err = sd_cmd52_write(pintfhdl, addr, cnt, pbuf);
		return err;
	}

	ptmpbuf = (u8*)rtw_malloc(cnt);
	if (!ptmpbuf)
		return (-1);

	_rtw_memcpy(ptmpbuf, pbuf, cnt);

	err = sd_write(pintfhdl, addr, cnt, ptmpbuf);

	if (ptmpbuf)
		rtw_mfree(ptmpbuf, cnt);

	return err;
}
예제 #10
0
파일: sdio_ops.c 프로젝트: Lyude/linux
static u32 SdioLocalCmd53Read4Byte(struct adapter *adapter, u32 addr)
{

	u8 mac_pwr_ctrl_on;
	u32 val = 0;
	struct intf_hdl *intfhdl = &adapter->iopriv.intf;
	__le32 le_tmp;

	HalSdioGetCmdAddr8723BSdio(adapter, SDIO_LOCAL_DEVICE_ID, addr, &addr);
	rtw_hal_get_hwreg(adapter, HW_VAR_APFM_ON_MAC, &mac_pwr_ctrl_on);
	if (!mac_pwr_ctrl_on || adapter_to_pwrctl(adapter)->bFwCurrentInPSMode) {
		sd_cmd52_read(intfhdl, addr, 4, (u8 *)&le_tmp);
		val = le32_to_cpu(le_tmp);
	} else {
		val = sd_read32(intfhdl, addr, NULL);
	}
	return val;
}
예제 #11
0
파일: sdio_ops.c 프로젝트: Lyude/linux
/*
 * Todo: align address to 4 bytes.
 */
s32 sdio_local_write(
	struct adapter *adapter,
	u32 addr,
	u32 cnt,
	u8 *buf
)
{
	struct intf_hdl *intfhdl;
	u8 mac_pwr_ctrl_on;
	s32 err;
	u8 *tmpbuf;

	if (addr & 0x3)
		DBG_8192C("%s, address must be 4 bytes alignment\n", __func__);

	if (cnt  & 0x3)
		DBG_8192C("%s, size must be the multiple of 4\n", __func__);

	intfhdl = &adapter->iopriv.intf;

	HalSdioGetCmdAddr8723BSdio(adapter, SDIO_LOCAL_DEVICE_ID, addr, &addr);

	rtw_hal_get_hwreg(adapter, HW_VAR_APFM_ON_MAC, &mac_pwr_ctrl_on);
	if (
		(!mac_pwr_ctrl_on) ||
		(adapter_to_pwrctl(adapter)->bFwCurrentInPSMode)
	)
		return sd_cmd52_write(intfhdl, addr, cnt, buf);

	tmpbuf = rtw_malloc(cnt);
	if (!tmpbuf)
		return (-1);

	memcpy(tmpbuf, buf, cnt);

	err = sd_write(intfhdl, addr, cnt, tmpbuf);

	kfree(tmpbuf);

	return err;
}
예제 #12
0
파일: sdio_ops.c 프로젝트: Lyude/linux
/*
 * Description:
 *Read from RX FIFO
 *Round read size to block size,
 *and make sure data transfer will be done in one command.
 *
 * Parameters:
 *intfhdl	a pointer of intf_hdl
 *addr		port ID
 *cnt			size to read
 *rmem		address to put data
 *
 * Return:
 *_SUCCESS(1)		Success
 *_FAIL(0)		Fail
 */
static u32 sdio_read_port(
	struct intf_hdl *intfhdl,
	u32 addr,
	u32 cnt,
	u8 *mem
)
{
	struct adapter *adapter;
	PSDIO_DATA psdio;
	struct hal_com_data *hal;
	u32 oldcnt;
#ifdef SDIO_DYNAMIC_ALLOC_MEM
	u8 *oldmem;
#endif
	s32 err;


	adapter = intfhdl->padapter;
	psdio = &adapter_to_dvobj(adapter)->intf_data;
	hal = GET_HAL_DATA(adapter);

	HalSdioGetCmdAddr8723BSdio(adapter, addr, hal->SdioRxFIFOCnt++, &addr);

	oldcnt = cnt;
	if (cnt > psdio->block_transfer_len)
		cnt = _RND(cnt, psdio->block_transfer_len);
/* 	cnt = sdio_align_size(cnt); */

	err = _sd_read(intfhdl, addr, cnt, mem);

#ifdef SDIO_DYNAMIC_ALLOC_MEM
	if ((oldcnt != cnt) && (oldmem)) {
		memcpy(oldmem, mem, oldcnt);
		kfree(mem);
	}
#endif

	if (err)
		return _FAIL;
	return _SUCCESS;
}
예제 #13
0
/*
 * Todo: align address to 4 bytes.
 */
s32 sdio_local_read(
	PADAPTER	padapter,
	u32			addr,
	u32			cnt,
	u8			*pbuf)
{
	struct intf_hdl * pintfhdl;
	u8 bMacPwrCtrlOn;
	s32 err;
	u8 *ptmpbuf;
	u32 n;

	pintfhdl=&padapter->iopriv.intf;

	HalSdioGetCmdAddr8723BSdio(padapter, SDIO_LOCAL_DEVICE_ID, addr, &addr);

	rtw_hal_get_hwreg(padapter, HW_VAR_APFM_ON_MAC, &bMacPwrCtrlOn);
	if ((_FALSE == bMacPwrCtrlOn)
#ifdef CONFIG_LPS_LCLK
		|| (_TRUE == adapter_to_pwrctl(padapter)->bFwCurrentInPSMode)
#endif
		)
	{
		err = sd_cmd52_read(pintfhdl, addr, cnt, pbuf);
		return err;
	}

	n = RND4(cnt);
	ptmpbuf = (u8*)rtw_malloc(n);
	if (!ptmpbuf)
		return (-1);

	err = sd_read(pintfhdl, addr, n, ptmpbuf);
	if (!err)
		_rtw_memcpy(pbuf, ptmpbuf, cnt);

	if (ptmpbuf)
		rtw_mfree(ptmpbuf, n);

	return err;
}
예제 #14
0
/*
 * Todo: align address to 4 bytes.
 */
s32 _sdio_local_read(
	PADAPTER	padapter,
	u32			addr,
	u32			cnt,
	u8			*pbuf)
{
	struct intf_hdl * pintfhdl;
	u8 bMacPwrCtrlOn;
	s32 err;
	u8 *ptmpbuf;
	u32 n;


	pintfhdl=&padapter->iopriv.intf;

	HalSdioGetCmdAddr8723BSdio(padapter, SDIO_LOCAL_DEVICE_ID, addr, &addr);

	rtw_hal_get_hwreg(padapter, HW_VAR_APFM_ON_MAC, &bMacPwrCtrlOn);
	if (_FALSE == bMacPwrCtrlOn)
	{
		err = _sd_cmd52_read(pintfhdl, addr, cnt, pbuf);
		return err;
	}

	n = RND4(cnt);
	ptmpbuf = (u8*)rtw_malloc(n);
	if (!ptmpbuf)
		return (-1);

	err = _sd_read(pintfhdl, addr, n, ptmpbuf);
	if (!err)
		_rtw_memcpy(pbuf, ptmpbuf, cnt);

	if (ptmpbuf)
		rtw_mfree(ptmpbuf, n);

	return err;
}
예제 #15
0
u32 SdioLocalCmd53Read4Byte(PADAPTER padapter, u32 addr)
{
	
	u8 bMacPwrCtrlOn;
	u32 val = 0;
	struct intf_hdl * pintfhdl=&padapter->iopriv.intf;

	HalSdioGetCmdAddr8723BSdio(padapter, SDIO_LOCAL_DEVICE_ID, addr, &addr);
	rtw_hal_get_hwreg(padapter, HW_VAR_APFM_ON_MAC, &bMacPwrCtrlOn);
	if ((_FALSE == bMacPwrCtrlOn)
#ifdef CONFIG_LPS_LCLK
		|| (_TRUE == adapter_to_pwrctl(padapter)->bFwCurrentInPSMode)
#endif
		)
	{
		sd_cmd52_read(pintfhdl, addr, 4, (u8*)&val);
		val = le32_to_cpu(val);
	}
	else
		val = sd_read32(pintfhdl, addr, NULL);

	return val;
}
예제 #16
0
파일: sdio_ops.c 프로젝트: Lyude/linux
void sd_int_dpc(struct adapter *adapter)
{
	struct hal_com_data *hal;
	struct dvobj_priv *dvobj;
	struct intf_hdl *intfhdl = &adapter->iopriv.intf;
	struct pwrctrl_priv *pwrctl;


	hal = GET_HAL_DATA(adapter);
	dvobj = adapter_to_dvobj(adapter);
	pwrctl = dvobj_to_pwrctl(dvobj);

	if (hal->sdio_hisr & SDIO_HISR_AVAL) {
		u8 freepage[4];

		_sdio_local_read(adapter, SDIO_REG_FREE_TXPG, 4, freepage);
		up(&(adapter->xmitpriv.xmit_sema));
	}

	if (hal->sdio_hisr & SDIO_HISR_CPWM1) {
		struct reportpwrstate_parm report;

		u8 bcancelled;
		_cancel_timer(&(pwrctl->pwr_rpwm_timer), &bcancelled);

		report.state = SdioLocalCmd52Read1Byte(adapter, SDIO_REG_HCPWM1_8723B);

		/* cpwm_int_hdl(adapter, &report); */
		_set_workitem(&(pwrctl->cpwm_event));
	}

	if (hal->sdio_hisr & SDIO_HISR_TXERR) {
		u8 *status;
		u32 addr;

		status = rtw_malloc(4);
		if (status) {
			addr = REG_TXDMA_STATUS;
			HalSdioGetCmdAddr8723BSdio(adapter, WLAN_IOREG_DEVICE_ID, addr, &addr);
			_sd_read(intfhdl, addr, 4, status);
			_sd_write(intfhdl, addr, 4, status);
			DBG_8192C("%s: SDIO_HISR_TXERR (0x%08x)\n", __func__, le32_to_cpu(*(u32 *)status));
			kfree(status);
		} else {
			DBG_8192C("%s: SDIO_HISR_TXERR, but can't allocate memory to read status!\n", __func__);
		}
	}

	if (hal->sdio_hisr & SDIO_HISR_TXBCNOK) {
		DBG_8192C("%s: SDIO_HISR_TXBCNOK\n", __func__);
	}

	if (hal->sdio_hisr & SDIO_HISR_TXBCNERR) {
		DBG_8192C("%s: SDIO_HISR_TXBCNERR\n", __func__);
	}
#ifndef CONFIG_C2H_PACKET_EN
	if (hal->sdio_hisr & SDIO_HISR_C2HCMD) {
		struct c2h_evt_hdr_88xx *c2h_evt;

		DBG_8192C("%s: C2H Command\n", __func__);
		c2h_evt = rtw_zmalloc(16);
		if (c2h_evt != NULL) {
			if (rtw_hal_c2h_evt_read(adapter, (u8 *)c2h_evt) == _SUCCESS) {
				if (c2h_id_filter_ccx_8723b((u8 *)c2h_evt)) {
					/* Handle CCX report here */
					rtw_hal_c2h_handler(adapter, (u8 *)c2h_evt);
					kfree((u8 *)c2h_evt);
				} else {
					rtw_c2h_wk_cmd(adapter, (u8 *)c2h_evt);
				}
			}
		} else {
			/* Error handling for malloc fail */
			if (rtw_cbuf_push(adapter->evtpriv.c2h_queue, NULL) != _SUCCESS)
				DBG_871X("%s rtw_cbuf_push fail\n", __func__);
			_set_workitem(&adapter->evtpriv.c2h_wk);
		}
	}
#endif

	if (hal->sdio_hisr & SDIO_HISR_RXFOVW) {
		DBG_8192C("%s: Rx Overflow\n", __func__);
	}

	if (hal->sdio_hisr & SDIO_HISR_RXERR) {
		DBG_8192C("%s: Rx Error\n", __func__);
	}

	if (hal->sdio_hisr & SDIO_HISR_RX_REQUEST) {
		struct recv_buf *recvbuf;
		int alloc_fail_time = 0;
		u32 hisr;

/* 		DBG_8192C("%s: RX Request, size =%d\n", __func__, hal->SdioRxFIFOSize); */
		hal->sdio_hisr ^= SDIO_HISR_RX_REQUEST;
		do {
			hal->SdioRxFIFOSize = SdioLocalCmd52Read2Byte(adapter, SDIO_REG_RX0_REQ_LEN);
			if (hal->SdioRxFIFOSize != 0) {
				recvbuf = sd_recv_rxfifo(adapter, hal->SdioRxFIFOSize);
				if (recvbuf)
					sd_rxhandler(adapter, recvbuf);
				else {
					alloc_fail_time++;
					DBG_871X("recvbuf is Null for %d times because alloc memory failed\n", alloc_fail_time);
					if (alloc_fail_time >= 10)
						break;
				}
				hal->SdioRxFIFOSize = 0;
			} else
				break;

			hisr = 0;
			ReadInterrupt8723BSdio(adapter, &hisr);
			hisr &= SDIO_HISR_RX_REQUEST;
			if (!hisr)
				break;
		} while (1);

		if (alloc_fail_time == 10)
			DBG_871X("exit because alloc memory failed more than 10 times\n");

	}
}
예제 #17
0
void sd_int_dpc(PADAPTER padapter)
{
	PHAL_DATA_TYPE phal;
	struct dvobj_priv *dvobj;
	struct intf_hdl * pintfhdl=&padapter->iopriv.intf;
	struct pwrctrl_priv *pwrctl;


	phal = GET_HAL_DATA(padapter);
	dvobj = adapter_to_dvobj(padapter);
	pwrctl = dvobj_to_pwrctl(dvobj);

#ifdef CONFIG_SDIO_TX_ENABLE_AVAL_INT
	if (phal->sdio_hisr & SDIO_HISR_AVAL)
	{
		//_irqL irql;
		u8	freepage[4];

		_sdio_local_read(padapter, SDIO_REG_FREE_TXPG, 4, freepage);
		//_enter_critical_bh(&phal->SdioTxFIFOFreePageLock, &irql);
		//_rtw_memcpy(phal->SdioTxFIFOFreePage, freepage, 4);
		//_exit_critical_bh(&phal->SdioTxFIFOFreePageLock, &irql);
		//DBG_871X("SDIO_HISR_AVAL, Tx Free Page = 0x%x%x%x%x\n",
		//	freepage[0],
		//	freepage[1],
		//	freepage[2],
		//	freepage[3]);
		_rtw_up_sema(&(padapter->xmitpriv.xmit_sema));
	}
#endif
	if (phal->sdio_hisr & SDIO_HISR_CPWM1)
	{
		struct reportpwrstate_parm report;

#ifdef CONFIG_LPS_RPWM_TIMER
		u8 bcancelled;
		_cancel_timer(&(pwrctl->pwr_rpwm_timer), &bcancelled);
#endif // CONFIG_LPS_RPWM_TIMER

		report.state = SdioLocalCmd52Read1Byte(padapter, SDIO_REG_HCPWM1_8723B);

#ifdef CONFIG_LPS_LCLK
		//cpwm_int_hdl(padapter, &report);
		_set_workitem(&(pwrctl->cpwm_event));
#endif
	}

	if (phal->sdio_hisr & SDIO_HISR_TXERR)
	{
		u8 *status;
		u32 addr;

		status = rtw_malloc(4);
		if (status)
		{
			addr = REG_TXDMA_STATUS;
			HalSdioGetCmdAddr8723BSdio(padapter, WLAN_IOREG_DEVICE_ID, addr, &addr);
			_sd_read(pintfhdl, addr, 4, status);
			_sd_write(pintfhdl, addr, 4, status);
			DBG_8192C("%s: SDIO_HISR_TXERR (0x%08x)\n", __func__, le32_to_cpu(*(u32*)status));
			rtw_mfree(status, 4);
		} else {
			DBG_8192C("%s: SDIO_HISR_TXERR, but can't allocate memory to read status!\n", __func__);
		}
	}

	if (phal->sdio_hisr & SDIO_HISR_TXBCNOK)
	{
		DBG_8192C("%s: SDIO_HISR_TXBCNOK\n", __func__);
	}

	if (phal->sdio_hisr & SDIO_HISR_TXBCNERR)
	{
		DBG_8192C("%s: SDIO_HISR_TXBCNERR\n", __func__);
	}
#ifndef CONFIG_C2H_PACKET_EN
	if (phal->sdio_hisr & SDIO_HISR_C2HCMD)
	{
		struct c2h_evt_hdr_88xx *c2h_evt;

		DBG_8192C("%s: C2H Command\n", __func__);
		if ((c2h_evt = (struct c2h_evt_hdr_88xx*)rtw_zmalloc(16)) != NULL) {
			if (rtw_hal_c2h_evt_read(padapter, (u8 *)c2h_evt) == _SUCCESS) {
				if (c2h_id_filter_ccx_8723b((u8 *)c2h_evt)) {
					/* Handle CCX report here */
					rtw_hal_c2h_handler(padapter, (u8 *)c2h_evt);
					rtw_mfree((u8*)c2h_evt, 16);
				} else {
					rtw_c2h_wk_cmd(padapter, (u8 *)c2h_evt);
				}
			}
		} else {
			/* Error handling for malloc fail */
			if (rtw_cbuf_push(padapter->evtpriv.c2h_queue, (void*)NULL) != _SUCCESS)
				DBG_871X("%s rtw_cbuf_push fail\n", __func__);
			_set_workitem(&padapter->evtpriv.c2h_wk);
		}
	}
#endif	

	if (phal->sdio_hisr & SDIO_HISR_RXFOVW)
	{
		DBG_8192C("%s: Rx Overflow\n", __func__);
	}
	if (phal->sdio_hisr & SDIO_HISR_RXERR)
	{
		DBG_8192C("%s: Rx Error\n", __func__);
	}

	if (phal->sdio_hisr & SDIO_HISR_RX_REQUEST)
	{
		struct recv_buf *precvbuf;
		int alloc_fail_time=0;
		u32 hisr;

//		DBG_8192C("%s: RX Request, size=%d\n", __func__, phal->SdioRxFIFOSize);
		phal->sdio_hisr ^= SDIO_HISR_RX_REQUEST;
		do {
			phal->SdioRxFIFOSize = SdioLocalCmd52Read2Byte(padapter, SDIO_REG_RX0_REQ_LEN);
			if (phal->SdioRxFIFOSize != 0)
			{
#ifdef CONFIG_MAC_LOOPBACK_DRIVER
				sd_recv_loopback(padapter, phal->SdioRxFIFOSize);
#else
				precvbuf = sd_recv_rxfifo(padapter, phal->SdioRxFIFOSize);
				if (precvbuf)
				     	sd_rxhandler(padapter, precvbuf);
				else
				{
					alloc_fail_time++;
					DBG_871X("precvbuf is Null for %d times because alloc memory failed\n", alloc_fail_time);
					if (alloc_fail_time >= 10)
						break;
				}
				phal->SdioRxFIFOSize = 0;
#endif
			}
			else
				break;

			hisr = 0;
			ReadInterrupt8723BSdio(padapter, &hisr);
			hisr &= SDIO_HISR_RX_REQUEST;
			if (!hisr)
				break;
		} while (1);

		if(alloc_fail_time==10)
			DBG_871X("exit because alloc memory failed more than 10 times \n");

	}
}