rtl8188eu/hal/rtl8188e_sreset.c
Larry Finger 19db43ecbd rtl8188eu: Backport kernel version
This driver was added to the kernel with version 3.12. The changes in that
version are now brought back to the GitHub repo. Essentually all of the code
is updated.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
2013-10-19 12:45:47 -05:00

80 lines
2.7 KiB
C

/******************************************************************************
*
* Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
*
*
******************************************************************************/
#define _RTL8188E_SRESET_C_
#include <rtl8188e_sreset.h>
#include <rtl8188e_hal.h>
void rtl8188e_silentreset_for_specific_platform(struct adapter *padapter)
{
}
void rtl8188e_sreset_xmit_status_check(struct adapter *padapter)
{
struct hal_data_8188e *pHalData = GET_HAL_DATA(padapter);
struct sreset_priv *psrtpriv = &pHalData->srestpriv;
unsigned long current_time;
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
unsigned int diff_time;
u32 txdma_status;
txdma_status = rtw_read32(padapter, REG_TXDMA_STATUS);
if (txdma_status != 0x00) {
DBG_88E("%s REG_TXDMA_STATUS:0x%08x\n", __func__, txdma_status);
rtw_write32(padapter, REG_TXDMA_STATUS, txdma_status);
rtl8188e_silentreset_for_specific_platform(padapter);
}
/* total xmit irp = 4 */
current_time = rtw_get_current_time();
if (0 == pxmitpriv->free_xmitbuf_cnt) {
diff_time = jiffies_to_msecs(current_time - psrtpriv->last_tx_time);
if (diff_time > 2000) {
if (psrtpriv->last_tx_complete_time == 0) {
psrtpriv->last_tx_complete_time = current_time;
} else {
diff_time = jiffies_to_msecs(current_time - psrtpriv->last_tx_complete_time);
if (diff_time > 4000) {
DBG_88E("%s tx hang\n", __func__);
rtl8188e_silentreset_for_specific_platform(padapter);
}
}
}
}
}
void rtl8188e_sreset_linked_status_check(struct adapter *padapter)
{
u32 rx_dma_status = 0;
u8 fw_status = 0;
rx_dma_status = rtw_read32(padapter, REG_RXDMA_STATUS);
if (rx_dma_status != 0x00) {
DBG_88E("%s REG_RXDMA_STATUS:0x%08x\n", __func__, rx_dma_status);
rtw_write32(padapter, REG_RXDMA_STATUS, rx_dma_status);
}
fw_status = rtw_read8(padapter, REG_FMETHR);
if (fw_status != 0x00) {
if (fw_status == 1)
DBG_88E("%s REG_FW_STATUS (0x%02x), Read_Efuse_Fail !!\n", __func__, fw_status);
else if (fw_status == 2)
DBG_88E("%s REG_FW_STATUS (0x%02x), Condition_No_Match !!\n", __func__, fw_status);
}
}